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L
Linda RussoAug 5, 2025
Why does my SHUR-DRI SD-520C-T7-01 keep running and not shut off?
- MMr. Gavin MillerAug 5, 2025
If your SHUR-DRI Water Pump delivers water but doesn't shut off or cycles too frequently, there are several possible causes. First, the pressure switch may be out of adjustment or have welded contacts; in this case, disconnect power and adjust or replace the pressure switch. Ensure all faucets are closed. Check for clogs in the venturi, nozzle, or impeller and clean them if necessary. If you have a standard pressure tank, it may be waterlogged and lacking an air cushion; drain the tank to the air volume control port. Also, inspect pipes and foot valves for leaks and fix them. Finally, if you have a pre-charged tank, check the air pressure using a tire pressure gauge; if it's too low, pump air into the tank until it is 2 PSI less than the cut-in setting of the switch.
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