rhliberman
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I'm replacing an old sump pump and the instructions say "When a Unicheck is installed, drill a 1/16" hole in the discharge pipe even with the top of the pump".
What exactly is a Unicheck and when would I need one? I'm installing a check valve, but is this something different?
Thanks!
What exactly is a Unicheck and when would I need one? I'm installing a check valve, but is this something different?
Thanks!
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