Question about Grundfos Pumps Grundfos Smart Box SQF-CU200
Posted by Anonymous on
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Posted on Jan 02, 2017
Pressure is bleeding back through the pump or system to the tank or well or where ever the water is coming from. Should be some sort of one way valve to keep water from going back to the source, mounted somewhere so that once pressure is pumped up, it will hold that pressure in the part of the system that has the pressure switch that controls the pump.
That or you have a leak where you can't see it. (Actually you do, it is just internal and not leaking outside the pipes!)
Posted on Nov 05, 2012
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