Learn How to Empty Your Hot Water Tank

Attach a garden hose to your hot water heater drain valve

Attach a garden hose to your hot water heater drain valve

It may seem obvious, but your hot water heater contains clean water that is safe for drinking. In an emergency, this is often an overlooked research. Yet, most people don’t even know how to drain their hot water heater. You will learn how here.

To drain your hot water heater, you need a regular garden hose and a collection vessel(s). Here are the steps:

  1. Turn off the cold water supply to your house.
  2. Water Heaters are either gas or electric. If yours is electric, go to the circuit breaker panel and turn off the breaker for the water heater. If yours is gas, turn the gas valve all the way off. You have to do this because you don’t want to continue to heat an empty tank.
  3. Turn off the cold water supply going to the water heater. This is done by shutting off the valve on the cold water line going into the water heater (it’s usually above the tank).
  4. Attach the female end of the garden hose to the drain valve located near the bottom of the tank.
  5. Put the other end of the garden hose into a collection vessel.
  6. Open the drain valve. If nothing comes out, there is vacuum pressure in the line. You can correct this by going to the bathroom or kitchen and opening the hot water side of a faucet.

After your emergency has passed, remember to turn the cold water supply back on in your house and let the hot water tank refill with cold water. After the tank has been filled, you can either turn the breaker back on (it your water heater is electric) or relight the pilot and turn the gas valve on (if your water heaters is gas).


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