Air Over Water Well Pressure Tank

The air pressure in the tank should be 2 to 10 psi below the start pressure of the pump.

Air over water well pressure tank. Bleed air pressure out of the water tank or add air pressure into the water tank until the tank pressure is at the desired set pressure. By incorporating the diaphragm in the tank itself the problem of waterlogging has essentially been eliminated. Item 424503 model ht119b. For example if your well pump pressure control switch is set to cut in start pumping water from the well at 30 psi then set the pressure tank to 30 2 28 psi.

When this takes place air will dissolve into the water and air pressure will diminish. These are the older types of well pressure tanks and they have only one compartment inside that houses both the water and pressurized air. Diaphragm a diaphragm separates water and air but overtime the diaphragm may detach from its connection allowing water and air to mix. Possible mix up between water and air is highly likely.

Well pressure tanks use compressed air to create water pressure. Amtrol invented the pre pressurized tank design over 50 years ago as a better solution to the air over tank. To increase water pressure in your well check the gauge for the proper pressure level every so often. Several other manufacturers have followed suit in including the pre pressurized system in their tank design but amtrol is certainly the first.

The well x trol series by amtrol is the gold standard in well pressure tanks for private well systems. With a 40 60 pressure switch the air pre charge in the tank should be no higher than 38 psi and no lower than 30 psi. Given the physical characteristics of water incompressible this condition causes the pressure to fluctuate rapidly and the well pump to go on and off too much. If your tank is in an elevated area calculate the ideal pressure by multiplying the height in feet by 0 433 h x p psi.

Pentair flotec fp7210 air over water pressure tank horizontal 30 gallons main content starts here. The problem with this type is that over time the pressurized air dissolves in water and this reduces the pressure inside. Use an air compressor to pre charge the tank to the correct pressure. Since wells do not have positive pressure on their own well tanks a water storage system that also creates pressurized water using air chambers or rubber diaphragms.

There is only chamber for water and air inside the tank. If the default setting is at 40 the air pressure on your water tank must be around 38. Remedies for a waterlogged tank. A waterlogged pressure tank is caused by the confined space within the tank having an improper ratio of water to air too much water not enough air.