Well Pump Water Pressure Switch

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

Well pump water pressure switch. Tube near the pressure tank. Well pump pressure switch adjustment your well pump gets its marching orders from the switch mounted on the pressure tank. To improve the well water s pressure requires a few quick adjustments to the pressure tank and pressure switch. The well pump water pressure switch controls the rate at which the pump will turn on and off.

The starting and stopping of a well water pump is typically controlled by a pressure switch similar to the one shown below. The switch then powers up the well pump. 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. This switch is to be used with submersible well or jet pumps.

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. If the levels on your pressure switch are set too low the well pump isn t pumping water when it needs to. Turn off the circuit breaker that supplies power to the well pump and pressure. 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.

It s what senses when water pressure has dropped to the point where the pressure tank requires more water. Basically your pressure switch tells your well pump which delivers water to your home when to turn on and off. To do this locate the pressure switch on your tank. It can be wired 115 volt or 230 volt.

This switch must be used in conjunction with a well pressure tank. It turns off when the maximum psi is reached. 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. 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. You ll find the pressure switch mounted on a 1 4 in. 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.