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Negative Pressure Self-priming Water Pump (connecting to crankcase) for 20-26CC Gasoline Boat


Introduction:, The pump is designed for use with gasoline boats running and will allow plenty of water circulation while boat is standing still or at low rates of speed. Very easy to install and will not share engine power when it pumping water. It’s a very high-quality pump with a never fail proof diaphragm., Application:, suitable for 20-26CC gasoline boat, Working Principle:, Air pressure from crankcase drives the pump diaphragm to work, and then water flows into the pump., Installation:, First, drill a hole in the crankcase., Note: the copper nozzle on pump should install downwards to prevent the oil of crankcase from flowing into pump., Package List:, Air Tube*1pc,

Secondly, mount the 90 degree copper nozzle on the crankcase and connect with the air tube.

Thirdly, connect the black water pump (air nozzle) with another end of air tube

Lastly, mount the water pump on the gasoline engines with the carbon fiber board.

90 Degree Copper Nozzle*1pc

Water Pump*1pc

C.F. Board*1pc

Gasket*4pcs

English Manual*1pc


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Found 10 years, 7 months ago



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