Step 6 replace access hatch.
How to drain my well pressure tank.
Turn the well pump off at the breaker or pump control switch typically a switch located near the tank.
See figure 2 open the hose bib to run the water until the tank is empty.
One of the most important tasks in colder climates is winterizing your well s pressure tank.
If you have a well you probably have a pressure tank somewhere near it.
Remove the cover from the pressure valve located on top of the tank and check the tank s bladder pressure with a tire pressure gauge.
Open the drain valve and allow the pressure tank to drain completely.
Connect a garden hose to the boiler drain or hose bib at the bottom of the well tank.
Wipe out the inside of the well pressure tank with a rag.
Turn off the power to the well pump.
Shut off the main shutoff valve.
The air pressure on an empty tank should be 2 psi below the pump s cut in pressure.
Step 7 replace air regulator.
If you can not remove some of the build ups use a piece of steel wool.
Drain the water pressure by turning off the electric to the pump and opening the drain faucet on the tank.
Hydro pneumatic ones with a single compartment containing both air and water.
As its name implies the purpose of the pressure tank is to keep water pressurized to avoid the need for the pump to cycle on whenever your turn on a faucet.
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.
Scrub the calcium deposits off the pressure tank and pipes.
Run the hose to the outdoors.
If you believe your well pressure tank is experiencing a loss of pressure it s important to drain the tank and check the system s integrity immediately.
Low well tank pressure can damage your well pump reduce water pressure throughout your household and over time can cause your tank to prematurely fail.
Water in a tank left in a dwelling without heat over the winter can damage the pressure bladder or in extreme situations even cause the tank to rupture.
Any filtration equipment softener iron filter reverse osmosis system other should be by passed or turned off as draining the tank may cause sediment in the pipes or tank to be disturbed.