D-I-Y Boat Winterizer Engine Flushing SystemQuickly and efficiently service inboard/outboard marine engines. The Do-It-Yourself Winterizer allows flushing and preparation of boat engine for winter storage with just five gallons of antifreeze and your flusher. Save time and money season after season. Great for technicians, too. For front mounted raw water pump systems, use the Flush Adapter, sold separately.WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

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2-1/2" Engine Flush Kit & AdaptorThe ConceptA simple quarter-turn quick-release plug can add safety and flexibility to any water system.  Add SSC to the top of any seacock to allow instant emergency bilge pumping, or to simplify winterization and cooling system flushing.In an EmergencyWhile the connected engine is running, close the seacock and remove the quick-release plug. Excess bilge water will be pumped overboard by the engine's raw water pump. Add GROCO BSA to pump out remote bilge locations.For WinterizationClose the seacock, remove the quick-release plug, and insert the service adaptor (included). Anti-freeze can be pumped into the cooling system.For System FlushingClose the seacock and insert the service adaptor. Dockside water can be used to flush the cooling system with the engine running at idle speed.Features:Bronze service adaptorSpecifications: Hose ID (in): 2-1/2" Thread NPT: 2-1/2" Overall Length: 5.85" *Add a GROCO Bilge Strainer to pump out remote bilge locations

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Motor Flush Ear Muff Outboard motor flushers quickly flush away salt, sand, minerals and contaminates from your lower unit cooling system extending the engine’s service life. Easy to use molded PVC cups deliver fresh water to flush the cooling system through side intakes on the lower unit. Simple garden hose connection, no tools required. Great for winterizing, tune-ups and other maintenance that requires running an outboard engine out of the water.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

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Flush Port Quick Connect for Mercury - WhiteThe Flush Port Quick Connect for Mercury Outboards eliminates the frustration of stuck caps, stripped threads, and tedious hose connections, delivering fast, easy, and reliable flushing with enhanced visual protection for your engine.Features: No More Stuck Caps Permanent, leak-free upgrade to factory flush ports Marine-grade durability for saltwater use Fast, effortless flushing with secure connection Simple installation – ready in minutes Hassle-free and Saves Time 30-Day Guarantee, 1-Year Warranty Specifications: Materials: Marine-grade construction with 316 stainless steel internals Installation: Replaces OEM flush port with secure, leak-free connection Corrosion Protection: Built for saltwater and harsh environments Application: Works with the Flushmaster system or a direct hose connection What's In The Box? (1) Mercury Male Quick Connect (1) Female Hose Quick Connect (Black) (1) 90-degree Elbow (goes inside the cowling to ensure no kinks are in the Mercury flush hose; use if necessary) (1) Wrench for Tightening (1) Stainless Steel Hose Clamp Mercury Installation: On your engine cowling, remove the original OEM plug. Unscrew the OEM plug from the female hose outlet.  Carefully remove the lanyard from the engine hose. Thread the new Flush Port Quick Connect into the flush port. Reinstall the Flush Port Quick Connect into the engine cowling with the provided wrench, giving it a ¼” turn in the clockwise direction to lock it in place. Remove cowling and inspect flush hose for any kinks in the hose, if there is a kink, replace the Mercury female hose outlet with the provided elbow and hose clamp. Orient the elbow inside the cowling to ensure no kinks are in the Mercury flush hose.Your outboard engine is now prepared for use or flush.To flush, remove the secured cap by turning counter clockwise 1/4” and pull to release. Attach your Flushmaster hose or a water source to the included female quick connector. Connect the female Quick Connect to the flush port. Follow manufacturer specs for flushing, reinstall the cap when finished.

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Rectangular Motor FlushMolded PVC/Painted Steel Outboard Rectangular Motor Flush quickly flushes away salt, sand, minerals, and contaminates from your lower unit cooling system, extending the engine’s service life. Easy-to-use molded PVC cups deliver fresh water to flush the cooling system through side intakes on the lower unit. Simple garden hose connection, no tools required. Great for winterizing, tune-ups, and other maintenance that requires running an outboard engine out of the water. Features rectangular cups for use with larger outboards.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

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Flush Port Quick Connect for Mercury OutboardsThe Flush Port Quick Connect for Mercury outboards makes flushing your Mercury outboards easier, faster, and more securely. Designed to replace factory flush ports, this kit installs in minutes and gives you a permanent, leak-free connection built to withstand the toughest marine environments.Crafted from durable, corrosion-resistant materials, including 316 stainless steel and high-grade polymers, the Flush Port Quick Connect is built for life around saltwater. With the included 90-degree elbow fitting, you’ll avoid hose kinks and ensure maximum water flow for a more complete, effective flush every time.Whether you're flushing with your Flushmaster system or a standard water hose, this upgrade means no more stripped threads, no more frustration, and no more excuses — just a faster, easier way to protect your engine and extend its life.NOTE: The opening at the top of the Mercury Quick Connect cap serves as an indicator of check valve failure and is required by the OEMFeatures: Replaces OEM Flush Port Marine-Grade & 316 SS Construction Leak-Free Performance Easy To Install Hassle-Free and Saves Time What's Included? (1) Mercury Male Quick Connect (1) Female Hose Quick Connect (Black) (1) 90-degree Elbow (goes inside the cowling to ensure no kinks are in the Mercury flush hose; use if necessary) (1) Wrench for Tightening (1) Stainless Steel Hose Clamp Product Installation: Remove the OEM Mercury flush port plug. Unscrew the Mercury OEM plug from the 3/4" female hose outlet. Remove the lanyard from the engine hose. Thread your new Flushmaster Flush Port Quick Connect to the flush port. Reinstall the Flushmaster Flush Port Quick Connect into the engine cowling. Give it a 1/4" turn clockwise to lock it in place. Helpful Tip: Remove the cowling and inspect the flush hose for any kinks. If a kink exists, replace the Mercury 3/4" female hose outlet with the provided elbow. Orient the elbow inside the cowling to ensure no kinks are in the Mercury flush hose. (To help insert the 90-degree elbow, lube the barb or use a heat gun on the flush hose.)WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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3/4" Engine Flush Kit & AdaptorThe ConceptA simple quarter-turn quick-release plug can add safety and flexibility to any water system.  Add SSC to the top of any seacock to allow instant emergency bilge pumping, or to simplify winterization and cooling system flushing.In an EmergencyWhile the connected engine is running, close the seacock and remove the quick-release plug. Excess bilge water will be pumped overboard by the engine's raw water pump. Add GROCO BSA to pump out remote bilge locations.For WinterizationClose the seacock, remove the quick-release plug, and insert the service adaptor (included). Anti-freeze can be pumped into the cooling system.For System FlushingClose the seacock and insert the service adaptor. Dockside water can be used to flush the cooling system with the engine running at idle speed.Features:Bronze service adaptorSpecifications: Hose ID (in): 3/4" Thread NPT: 3/4" Overall Length: 3.9" *Add a GROCO Bilge Strainer to pump out remote bilge locations

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Flush Port Quick Connect for Suzuki OutboardsStop screwing around. Flush Port Quick Connects for Suzuki outboards provide a simple, secure solution for efficient engine flushing. Designed as a permanent replacement for the OEM flush port, they ensure leak-free performance and easy installation.Upgrade Your Suzuki Outboard with Our Flush Port Quick Connect.Enhance the performance and longevity of your Suzuki outboard with our Flush Port Quick Connect. Designed to permanently replace the OE flush port, our quick connects are crafted from marine-grade materials, ensuring durability and a secure, leak-free connection. Featuring a secured locking cap and a corrosion-resistant 316 stainless steel spring.Enjoy the ultimate convenience with our easy-to-install, reliable Flush Port Quick Connect for Suzuki outboards. This solution simplifies the flushing process and ensures optimal engine maintenance every time.Features: Permanent OE replacement for seamless integration Marine-grade construction for maximum durability Leak-free performance with secured locking cap 316 stainless steel spring that resists rust and seizing Compatible with Four Stroke Suzuki outboards with a flush port from 25 hp to 350 hp What's Included? 1) Suzuki Male Quick Connect (1) Female Hose Quick Connect (Black) (1) Wrench for tightening Product Installation: Remove the OEM Suzuki flush port plug. Thread in your new Flushmaster Flush Port Quick Connect. Use the included wrench to tighten. Product Compatibility:Compatible with all Four-stroke Suzuki outboard engines from 25 hp to 350 hp. The Flush Port Quick Connect can be installed on the front or back of the engine.Upgrade to the best in outboard maintenance with the Flush Port Quick Connect for Suzuki today!WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 4 Outlet with Four 20' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 4 Outlet with Four 15' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 4 Outlet with Four 12' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 4 Outlet with Four 9' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 4 Outlet with Four 7' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 4 Outlet with Four 5' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 2 Outlet with Two 20' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 2 Outlet with Two 15' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 2 Outlet with Two 12' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 2 Outlet with Two 9' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 2 Outlet with Two 7' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Outboard Flushing System - 2 Outlet with Two 5' Hose KitsThe Flushmaster is a portable, marine-grade device designed to automate the flushing process for up to four outboard motors. Powered by (3) AA batteries, it ensures thorough engine cleaning by flushing each motor sequentially before automatically shutting off. With its IP67 waterproof certification, the Flushmaster is built to last, offering a convenient and time-saving solution for outboard maintenance. Select the perfect hose length for your setup and experience hassle-free engine care with just the push of a button.The Flushmaster Outboard Flushing System is a marine-grade, portable device that simplifies the process of flushing single, dual, triple, and even quad outboard motors. Powered by (3) AA batteries, the Flushmaster offers effortless engine maintenance while saving time and water. With just the push of a button, your motors are flushed one at a time, ensuring thorough cleaning and optimal engine performance. Once the flushing is complete, the device automatically shuts off and blocks the water flow, leaving you free to enjoy your day without further attention.Portable - Use it anywhere you have a freshwater supply: Water Spigot Garden Hose PVC Plumbing Choose the appropriate hose length based on your setup and application.With its IP67 Waterproof Certification, the Flushmaster is built to withstand harsh marine conditions, ensuring reliable performance season after season. Say goodbye to the hassle of traditional flushing methods and embrace the simplicity of Flushmaster for a smoother boating experience.What's Included? Flushmaster Device (3) AA Batteries Outlet Hoses Hose Clamps Screwdriver Instructions Manual and Warranty Product Installation: Install the included (3) AA batteries Install the outlet hose(s) to the Flushmaster device Connect the Flushmaster device to a water source Attach the outlet hose(s) to your boat motor(s) Press START to begin the automated flushing process Product Compatibility:The Flushmaster is compatible with four-stroke outboards and flush ports. Ensure you select the optimal hose length to accommodate your application.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Flush Port Quick Connect for Honda OutboardsStop screwing around. Flush Port Quick Connects for Honda outboards provide a simple, secure solution for efficient engine flushing. Designed as a permanent replacement for the OEM flush port, they ensure leak-free performance and easy installation.Upgrade Your Honda Outboard with Our Flush Port Quick Connect.Enhance the performance and longevity of your Honda outboard with our Flush Port Quick Connect. Designed to permanently replace the OE connector, our quick connects are crafted from marine-grade materials, ensuring durability and a secure, leak-free connection. Featuring an extended tip with double O-rings and a corrosion-resistant 316 stainless steel spring.Enjoy the ultimate convenience with our easy-to-install, reliable Flush Port Quick Connect for Honda outboards. This solution simplifies the flushing process and ensures optimal engine maintenance every time.Features: Permanent OE replacement for seamless integration Marine-grade construction for maximum durability Leak-free performance with double O-rings 316 stainless steel spring that resists rust and seizing What's Included? (2) Female Quick Connects (1) Male Quick Connect (Double O-Ring to ensure no leaks) Product Installation: Unthread your Honda flush port. Thread in your new Flushmaster female quick connect on the male side. Thread the new Flushmaster male quick-connect piece into the female side of the Honda flush port. Attach the second Flushmaster female quick connect to the end of your water supply. Product Compatibility:Compatible with most Honda outboardsUpgrade to the best in outboard maintenance with the Flush Port Quick Connect for Honda today!WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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Flush Port Quick Connect for Yamaha OutboardsStop screwing around. Flush Port Quick Connects for Yamaha outboards provide a simple, secure solution for efficient engine flushing. Designed as a permanent replacement for the OEM flush port, they ensure leak-free performance and easy installation.Upgrade Your Yamaha Outboard with Our Flush Port Quick Connect.Enhance the performance and longevity of your Yamaha outboard with our Flush Port Quick Connect. Designed to permanently replace the OE connector, our quick connects are crafted from marine-grade materials, ensuring durability and a secure, leak-free connection. Featuring an extended tip with double O-rings and a corrosion-resistant 316 stainless steel spring.Enjoy the ultimate convenience with our easy-to-install, reliable Flush Port Quick Connect for Yamaha outboards. Engineered for outboards with a flush port connection from 150 to 425 hp, this solution simplifies the flushing process and ensures optimal engine maintenance every time.Features: Permanent OE replacement for seamless integration Marine-grade construction for maximum durability Leak-free performance with double O-rings 316 stainless steel spring that resists rust and seizing Compatible with Yamaha outboards from 150- 425 hp with flush port connection What's Included? (2) Female Quick Connects - black (1) Male Quick Connect (Double O-Ring to ensure no leaks) Product Installation: Unthread your Yamaha flush port. Thread in your new Flushmaster female quick connect on the male side. Take your new Flushmaster male quick-connect piece and thread it into the female side of the Yamaha flush port. Attach the second Flushmaster female quick connect to the end of your water supply. Compatible With:Yamaha Outboard Engines 150 - 425 hp (with a flush port)NOT Compatible with: Any 2024 or 2025 engines that are 115 hp or smaller Yamaha Outboards 50 - 115 hp or 450 hp Upgrade to the best in outboard maintenance with the Flush Port Quick Connect for Yamaha today!WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)

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2" Engine Flush Kit & AdaptorThe ConceptA simple quarter-turn quick-release plug can add safety and flexibility to any water system.  Add SSC to the top of any seacock to allow instant emergency bilge pumping, or to simplify winterization and cooling system flushing.In an EmergencyWhile the connected engine is running, close the seacock and remove the quick-release plug. Excess bilge water will be pumped overboard by the engine's raw water pump. Add GROCO BSA to pump out remote bilge locations.For WinterizationClose the seacock, remove the quick-release plug, and insert the service adaptor (included). Anti-freeze can be pumped into the cooling system.For System FlushingClose the seacock and insert the service adaptor. Dockside water can be used to flush the cooling system with the engine running at idle speed.Features:Bronze service adaptorSpecifications: Hose ID (in): 2" Thread NPT: 2" Overall Length: 5.2" *Add a GROCO Bilge Strainer to pump out remote bilge locations

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1-1/2" Engine Flush Kit & AdaptorThe ConceptA simple quarter-turn quick-release plug can add safety and flexibility to any water system.  Add SSC to the top of any seacock to allow instant emergency bilge pumping, or to simplify winterization and cooling system flushing.In an EmergencyWhile the connected engine is running, close the seacock and remove the quick-release plug. Excess bilge water will be pumped overboard by the engine's raw water pump. Add GROCO BSA to pump out remote bilge locations.For WinterizationClose the seacock, remove the quick-release plug, and insert the service adaptor (included). Anti-freeze can be pumped into the cooling system.For System FlushingClose the seacock and insert the service adaptor. Dockside water can be used to flush the cooling system with the engine running at idle speed.Features:Bronze service adaptorSpecifications: Hose ID (in): 1-1/2" Thread NPT: 1-1/2" Overall Length: 4.75" *Add a GROCO Bilge Strainer to pump out remote bilge locations

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1-1/4" Engine Flush Kit & AdaptorThe ConceptA simple quarter-turn quick-release plug can add safety and flexibility to any water system.  Add SSC to the top of any seacock to allow instant emergency bilge pumping, or to simplify winterization and cooling system flushing.In an EmergencyWhile the connected engine is running, close the seacock and remove the quick-release plug. Excess bilge water will be pumped overboard by the engine's raw water pump. Add GROCO BSA to pump out remote bilge locations.For WinterizationClose the seacock, remove the quick-release plug, and insert the service adaptor (included). Anti-freeze can be pumped into the cooling system.For System FlushingClose the seacock and insert the service adaptor. Dockside water can be used to flush the cooling system with the engine running at idle speed.Features:Bronze service adaptorSpecifications: Hose ID (in): 1-1/4" Thread NPT: 1-1/4" Overall Length: 4.55" *Add a GROCO Bilge Strainer to pump out remote bilge locations

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Inboard Motor FlushMolded Rubber/Aluminum Inboard Motor Flush quickly flushes away salt, sand, minerals, and contaminates from your lower unit cooling system extending the engine’s service life. Easy-to-use by fitting the rubber cup over the water intake, connecting a garden hose, and extending the aluminum leg to seal the cup to the hull. Fresh water flushes the cooling system, no tools required. Great for winterizing, tune-ups, and other maintenance that requires running an inboard engine out of the water. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

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