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RE: How much backflow is a sump-pump check valve meant to prevent?
A rise after shutdown could fit drain-back through a valve that isn’t sealing, while slower emptying during a pump cycle could fit added restriction. Neither clue is specific by itself: inflow to the pit, pump performanc...
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RE: What should a toilet replacement quote say about flange or shutoff repairs?
I’d lean toward a pause when the repair is genuinely unknown: it avoids authorizing extra work before the scope and price are clear. If the likely repair can be tightly defined, though, an allowance makes the possible to...