Subpump Noise

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  • This topic has 1 reply, 2 voices, and was last updated 21 years ago by SylvanLMP.
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    • #278527
      MasterPlumbers
      Keymaster

      I recently purchased a house w/ a subpump that runs very frequently. The pump seems to work good, but when the pump is done pumping, it seems to make a “thud” (only once and for only about a second) noise that seems to be pretty loud. Is it the check valve? Or is there something wrong w/ the subpump. I wondering if I should sound insulate the pipes and subpump area to make it quiter for the room right about the subpump.

      Thanks,
      Justin

    • #298690
      SylvanLMP

      If the pump pumps often you can adjust the float to work less often BUT it will run a little longer on discharge cycle.

      The THUMP is the check valve and you can replace it with either asoft seat check valve or a lift type



      SylvanLMP

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