How Do You Adjust a Square D Well Pressure Switch?
Adjust a Square D well pressure switch by turning it clockwise to raise the pressure and counter-clockwise to decrease the pressure. Prior to adjusting the switch, follow safety precautions and look for any faults in the switch components. Adjusting the Square D well pressure switch increases the water pressure through the entire house.
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Turn off power to the switch
As a safety precaution, turn off or disconnect power to the switch prior to manipulating it. You can turn off the power at the circuit breaker.
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Check the wire ports’ seal
Ensure that the seal on the wire ports is secure and the area is clean. Dirt and dead bugs can disrupt power to the switch.
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Check for loose and broken wires
Over time, the wires can break or loosen, harming the switch’s functionality. Look for any wiring problems.
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Check the points
The points, which are small, round discs, should be an unstained silver or copper. Points with discolorations or marks indicate a cycling problem with the pump.
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Turn the spring to adjust the Square D well pressure switch
Looking at the pressure, locate the large spring in the center. Turn the spring clockwise to increase the cut-off and cut-in pressure. Turn the spring counter-clockwise to lower the cut-off and cut-in pressure.