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Sunday, June 14th 2015, 7:14am

pump will not hold prime

My irrigation system uses a pump to pull water from the creek. Tried to start up this year - after initial issue with an "air lock" in the lines, got the system to start pulling water from the creek, but when the water source used to initiate the prime is turned off, the pump will no longer pull water from the creek.
Any suggestions?


Supreme Member

Posts: 5,288

Location: Metro NYC


Sunday, June 14th 2015, 7:50am

You might have a leak on the suction side, or a bad, or fouled, check valve letting water flow back through the pump.

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