Well Water Pressure Switch Adjustment

The well pump water pressure switch controls the rate at which the pump will turn on and off.

Well water pressure switch adjustment.

The starting and stopping of a well water pump is typically controlled by a pressure switch similar to the one shown below. If the tank reading is 2 psi under the cut in when you measured it manually but the gauge on the control unit is still low when there s water in it adjust the pressure on your 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. Turn off the circuit breaker that supplies power to the well pump and pressure.

The rate of increase is 2 1 2 psi for every complete turn of the nut. It turns off when the maximum psi is reached. Adjust the pump pressure control switch if your pressure gauge doesn t match the control unit. The pressure switch is comprised of an internal spring mechanism which is connected directly to electrical contacts.

As the pressure switch ages these components can weaken and. Basically your pressure switch tells your well pump which delivers water to your home when to turn on and off. The second post allows adjustment of the cut off pressure independently. Pressure switches with two posts allow adjustment of the cut on and cut off pressure at the same time.

Range differential adjustment on a water pressure control switch the larger range adjustment nut the larger nut green arrow on the larger spring in the pump pressure switch. To increase the cut off and cut on pressure turn nut 1 clockwise. 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. It makes use of two pressure systems to control the water flow and adjusting the water pressure involves adjusting these systems.

The switch is preset with both the cut on and cut off pressure. This is the range adjustment nut. At pressure switch nut adjustments in sum it might be possible to improve this condition by adjusting the pump control which sets the cut in water pressure to start the water pump and the cut out water pressure to stop the pump.