The switch is preset with both the cut on and cut off pressure.
Myers shallow well pump adjust pressure switch.
In brief tutorials we explain how to set and adjust a typical pump pressure control switch.
The cut on pressure is the low pressure that starts the pump and the cut off pressure is the high pressure that turns off the pump.
Myers self priming shallow well jet pumps for water levels up to 25 feet.
To increase the cut off and cut on pressure turn nut 1 clockwise.
The rate of increase is 2 1 2 psi for every complete turn of the nut.
How to set the pump pressure control switch.
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Pressure tank must be set to 2 3 psi below cut on pressure of switch how to adjust a pressure tank video.
Turn the adjustment screw right or clockwise to increase the pressure switch s setting.
The starting and stopping of a well water pump is typically controlled by a pressure switch similar to the one shown below.
Adjust the pressure switch s low limit adjustment screw the long screw located next to the high limit adjustment screw with the 3 8 inch hex head screwdriver.
Myers self priming shallow well jet pumps for water levels up to 25 feet.
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Starting here with advice about correct problem diagnosis of water pressure problems this article series describes how to adjust building water pressure by setting the water pump cut in and cut out pressure on the well water pump pressure control switch.
Turn the adjustment screw left or counterclockwise to reduce the pressure switch s setting.
The second post allows adjustment of the cut off pressure independently.