To check valve or not to check valve?

Discussion in 'Pumps and Tanks Well Forum & Blog. Water is life.' started by gokorn1, Oct 10, 2018.

  1. gokorn1

    gokorn1 New Member

    Joined:
    Oct 10, 2018
    Location:
    Alaska
    I'm replacing my well pump and there was not a check valve on pipe from the pump to the pitless. Pipe is approx 20ft long. Well depth is 40ft. I had an issue where the pump was running all the time. When the power was shut off the pressure would drop to 0 instantly. Replaced the pitless adapter oring and pump. However i did not see a check valve, I was wondering if one is required. I'll be finishing the installation tonight after work. The only reason I don't think one is required is I saw a info board at Lowes that said place one every 100ft. I know thats not the best place for information but thats all i can find.
     
  2. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    Most submersible pumps have a built-in check valve, but you can add another right above the pump. Don't put one in up higher.

    You should lightly lube the o-ring with silicone grease.
     
    Last edited: Oct 10, 2018
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  4. gokorn1

    gokorn1 New Member

    Joined:
    Oct 10, 2018
    Location:
    Alaska
    Thank you thats what I was hoping to hear. I've got some good grease from water store.
     
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