Water Tank Pressure Switch Adjustment

Release or add air as necessary to make the pressure 2 psi below the pressure switch pump cut in setting.

Water tank pressure switch adjustment.

The air in the tank should be 2 lbs less than the kick on pressure when the pump engages if you are currently at 18 lbs then adjust when the tank is completely drained of water if you are running 40 60 then you will want 38 lbs of air. In a bladder type water tank with proper pressure adjustment when all water has left the tank you ll see air pressure at 2 psi below the pressure switch cut in setting. For example if you have a pressure switch setting of 30 50 psi you pressure measured at the top of the tank should read 28 psi. How to set the water pump cut in and cut out pressures.

The pressure tank should be set at 2 psi less than the cut on pressure. Check pressure in the tank with your pressure gauge. Air can be added with a compressor or bicycle pump. As you re adding air keep checking the tank air pressure with a tire gauge.

Water well pump pressure control switch adjustment. The well pump water pressure switch controls the rate at which the pump will turn on and off. Even if the tank air pressure is too low you should still see some air pressure at the tank air valve when all water has left the tank. If you have further questions about your pressure switch or your water system please do not hesitate to call our experts at 855 329 4519.

If you adjust your cut on pressure you will also need to adjust the pressure tank air charge. 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. We ve been helping customers since.