Question about Flotec TC2151 P2 Well Pump Pressure Switch
There are two adjusters, one for max pressure, one for the difference between cut in and cut out. If you have fussed with either of them, look on the old switch for an idea of where they belong.
Basically, the one on the big spring is tightened until the pump cuts off at the desired pressure, and the littler one is just tightened up until it is not loose.
Further adjustments have to be made in small increments, with the pump allowed to fully cycle up to the desired pressure. Then the pressure has to be released (let some water out) until the pump comes on.
Balancing between these two adjusters is not easy.
If you have totally messed up, get a new one and don't mess with it. It will be factory set to the settings on the box.
If the pump still won't stop running, you have something wrong with the plumbing, like a check valve that has failed.
The foot valve is the most likely suspect to fail. If there is no foot valve, there should be a check valve on the suction side of the pump.
Posted on Nov 28, 2013
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Posted on Jan 02, 2017
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