Then drain the pressure tank.
Pressure tank switch wiring.
As the tank is filled the water pressure increases within it.
This switch must be used in conjunction with a well pressure tank.
It will likely be mounted on the outside of your pressure tank.
This switch is to be used with submersible well or jet pumps.
A square d pressure switch is what controls the pump.
In this video we show you the best way to a pressure switch for 115v and 230v pumps.
Wrap the pipe threads with teflon tape and reassemble.
The air pressure in the well tank when empty of all water must be set to 38 psi or the switch will not operate properly.
Water pressure switches in well systems control the amount of water pumped to the system s storage tank.
If your pump isn t switching on or off properly it may well be to do with your square d pressure switch.
Then disconnect the wiring photo 1.
An older pressure switch can lead to issues with your pump.
Turns pump on at 40 psi off at 60 psi.
It can be wired 115 volt or 230 volt.
Over time a square d pressure switch can become worn out.
Close the valve from the pressure tank to the house.
Flip the breaker to the pump switch and check it with a voltage sniffer to make sure it s off.