freshwater pump maddening problem
The freshwater pump in our RV (2007 Itasca Navion) stopped holding pressure - it would run up to pressure, stop, then cycle every 15-20 seconds (estimated; never timed on the old pump). Based on advi...
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I have no idea if this could be your problem, but from the Shurflo manual: "The pressure switch on the pump is set to shut
off at 55 psi. If the switch or by-pass
are adjusted too much, the by-pass and
switch shut-off can overlap and THE
PUMP WILL NOT SHUT OFF....WARNING: If full by-pass is reached before the shut-off setting, the pump will not shut off. Full by-pass pressure setting should be at least 10 psi higher than pump shut off pressure."
Shurflo operation manual and adjustments:
https://www.pentair.com/en-us/products/residential/water-supply-disposal/recreational-vehicle/shurflo-revolution-4008-series-by-pass-pump.html?queryID=db4b20705223bbb3e90973034b84ba63&objectID=https://www.pentair.com/en-us/products/residential/water-supply-disposal/recreational-vehicle/shurflo-revolution-4008-series-by-pass-pump.html&indexName=prod_pentair_products
off at 55 psi. If the switch or by-pass
are adjusted too much, the by-pass and
switch shut-off can overlap and THE
PUMP WILL NOT SHUT OFF....WARNING: If full by-pass is reached before the shut-off setting, the pump will not shut off. Full by-pass pressure setting should be at least 10 psi higher than pump shut off pressure."
Shurflo operation manual and adjustments:
https://www.pentair.com/en-us/products/residential/water-supply-disposal/recreational-vehicle/shurflo-revolution-4008-series-by-pass-pump.html?queryID=db4b20705223bbb3e90973034b84ba63&objectID=https://www.pentair.com/en-us/products/residential/water-supply-disposal/recreational-vehicle/shurflo-revolution-4008-series-by-pass-pump.html&indexName=prod_pentair_products
