How To Add Air Back To A Water Pressure Tank

The air charge in the pressure tank is critical to avoid water pump short cycling on and off.

How to add air back to a water pressure tank. It is important to check it every so often to ensure the system is functioning proper. Questions answers on how to use the air valve on a water pressure tank to add air to the tank or to pre charge the pressure tank with the proper amount of air. A bladderless water pressure tank doesn t have a balloon like fixture and valve but you can add air to the tank by completely draining it first via the spigot valve located at the bottom. Stop running water in the home and turn off the well pump.

Turn off hose spigot sample tap and add proper amount of air into tank your system has now been re pressurized. Install use fix replace if needed the air volume control details are at water tank air volume controls 2. You may need to close the water valve between the tank and the building. Faqs on how to add air to the water pressure tank by pumping at the air inlet valve.

Continue pumping air into tank until tank has approximately 25 pounds of air pressure. Find the location of the air inlet valve on your water system. Shut off main valve to plumbing. 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.

Set the air pressure in the empty water tank to 2 psi below the well pump pressure switch cut in pressure. If the pressure setting reads less than 12 psi it probably will since you drained water from the tank attach an air compressor or hand air pump to the air fitting connection and pump air into the expansion tank. Use a garden hose to empty out the tank and once it has no more content it will be filled with air. Mike the article above lists three methods for adding air to a waterlogged water pressure tank.

Apply a small amount of psi with air compressor to snifter valve to completely evacuate pressure tank of all water. Turn off electrical power to the water pump or well pump. If your pump has a pressure gauge add air until the pressure is 12 psi. If you are on a private water system you probably have a pressure tank.

Continue pumping air into tank until tank is nearly empty of water. Begin pumping air into tank with compressor. Open a hose spigot or the sample tap to drain tank.