Well pump
Posted by Mike Pick on February 04, 2004 at 13:59:31:
My well pump recently went out {after 22 years} and when i replaced it i could not find a 1/3hp 10 gpm pump anywhere. I installed a 3/4hp 10 gpm and now the pump turns on/off 3-4 times when i flush a toilet. I turned the breaker off to the pump and ran all the pressure out of the fawcett. I then measured the PSI on the 15 gallon "pre-charge" pressure tank = 0 psi. The side of the tank said "precharged to 30 psi" so i pumped it up to 30 psi and threw the breaker back on. She pumped back up 50psi on the gauge. The pump still comes on/off 2 times while flushing a toilet. The pressure switch is set fo 30psi on 50 psi off. My question is... Why when i flush a 1.6 gpf toilet does the pump need to come on. Should'nt a 15 gallon tank suffice at least a few flush's? Thank you in advance for you reply and time.

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