Well Pump Water Pressure Switch

The switch is preset with both the cut on and cut off pressure.

Well pump water pressure 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. When the switch acts up and they all do eventually you ll see all kinds of strange behavior pump won t turn on turns on erratically or won t shut off. Well pump pressure switch adjustment your well pump gets its marching orders from the switch mounted on the pressure tank. It will have a plastic cover and nut which can be removed.

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. To improve the well water s pressure requires a few quick adjustments to the pressure tank and pressure switch. It turns off when the maximum psi is reached. The switch then powers up the well pump.

Turn off the power supply from the circuit breaker to ensure your safety. It makes use of two pressure systems to control the water flow and adjusting the water pressure involves adjusting these systems. If the switch is bad it won t start the well pump and you won t have water so testing the switch is your first step. This switch is to be used with submersible well or jet pumps.

This switch must be used in conjunction with a well pressure tank. The starting and stopping of a well water pump is typically controlled by a pressure switch similar to the one shown below. You ll find the pressure switch mounted on a 1 4 in. It can be wired 115 volt or 230 volt.

It s what senses when water pressure has dropped to the point where the pressure tank requires more water. If the levels on your pressure switch are set too low the well pump isn t pumping water when it needs to. To do this locate the pressure switch on your tank. Basically your pressure switch tells your well pump which delivers water to your home when to turn on and off.

It does this by monitoring pressure and letting more water flow into the system when the pressure falls to the minimum psi pounds per square inch. Tube near the pressure tank. 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 troubleshooting and repair procedures.