A Water Pump Pressure Switch

Check the pressure gauge to make sure it isn t stuck or.

A water pump pressure switch.

Pressure switches are used on water pumps for the accurate control of the pump as it produces pressurized water. 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. Merrill mps3050 water well pressure control air pump pressure switch 30 50 psi pressure setting nema 1 adjustable differential 1 4 female npt 4 0 out of 5 stars 6 15 00 15. However with the pressure switch the pump can be adjusted to turn on and off at predetermined settings to control the pump and subsequent pressure.

The well pump water pressure switch controls the rate at which the pump will turn on and off. Without the use of the switch the water pump would always be on or off. If it isn t make sure your filter isn t clogged or in need of a change. The individual well pump control switch repair article links below explain exactly how to set the water pump pressure switch where the adjustments are located the large and small nut found under the switch cover which way to turn the nuts to increase or decrease the pump cut in and cut out pressures and other pressure switch.

Continuous tripping could be caused by a broken wire leading to or inside the water pump. It can be wired 115 volt or 230 volt. The switch is preset with both the cut on and cut off pressure. Merrill mps4060 water well pressure control air pump pressure switch 40 60 psi pressure setting nema 1 adjustable differential 1 4 female npt 4 5 out of 5 stars 2 15 00 15.

Normally this switch is pre set to the correct pressure but you can modify it without any special tools or materials using just plumbers pliers. Check the well tank pressure gauge to see if it is at least 40 psi or the cut off psi for your pressure switch model. It makes use of two pressure systems to control the water flow and adjusting the water pressure involves adjusting these systems.