GROCO 1-1/2" Engine Flush Kit & Adaptor

The GROCO 1-1/2-inch Engine Flush Kit and Adaptor adds a quick service point to a boat water system when installed at the seacock. It can be used for emergency bilge pumping, winterization, or flushing the cooling system with the engine running at idle speed.

• Hose ID: 1-1/2"
• Thread: 1-1/2" NPT
• Overall length: 4.75"
• Included adaptor: Bronze service adaptor
• Service plug: Quarter-turn quick-release plug
• Emergency use: With the engine running, closing the seacock and removing the plug allows the engine raw water pump to move excess bilge water overboard
• Winterization use: Close the seacock, remove the plug, and insert the included service adaptor to pump anti-freeze into the cooling system
• Flushing use: Close the seacock and insert the service adaptor to flush the cooling system with dockside water while the engine runs at idle speed
• Optional accessory: Add a GROCO Bilge Strainer to pump out remote bilge locations