How do you drain a water heater without a drain valve?

You would need to make sure to turn the cold water inlet to the water heater off and then maybe open a hot faucet for just a second or two to take the pressure off the tank, then make sure all hot faucets are closed tight.

What is the fastest way to drain a hot water tank?





How to Flush Your Water Heater

  1. Open the cold water valve. Let the cold water run into the tank for about 15 – 20 seconds and then shut it back off. …
  2. Shut off the drain valve. …
  3. Open up the hot water faucets in the house. …
  4. Turn the burner control back to the on position.


Why is it taking so long to drain my water heater?

If the water heater won’t drain or is draining slowly, the problem is likely to be that too much sediment has built up in the water heater. Sediment can clog the water heater’s drain valve. The steps below show you how to break the sediment buildup so you can drain a clogged water heater through the drain valve.

How do you manually drain a water heater?

Draining Your Hot Water Heater

  1. Turn off the water valve that supplies the hot water tank.
  2. Attach the hose to the drain valve at the bottom of the water heater.
  3. Open that same valve.
  4. Open the pressure relief valve.
  5. Allow the water to drain. …
  6. When the tank is empty, turn on the water supply valve.

How do you drain a 20 gallon water heater without drain valve?





Lay the other end of the garden hose in either a floor drain, a tilted 5-gallon bucket, a toilet at similar or lower elevation, or a sump pump pit. If none of these options work for your situation, connect the hose to a pump and run a second hose out of a window to drain on the ground.

Can I drain hot water heater by running hot water?

Run Hot Water and Open the Drain Valve



Run hot water from a nearby tap, upstairs if possible. This allows hot water to drain from the tank and relieves pressure in the system.

How do you drain sediment from a hot water heater?

How to Flush Sediment Out of a Water Heater

  1. Turn the Water Heater Off. …
  2. Turn the Cold Water Valve Off. …
  3. Let the water cool. …
  4. Attach a drain or garden hose to the drain valve on the side of the tank. …
  5. Place the end of the hose in a bucket or drain. …
  6. Turn on a faucet (or two) …
  7. Start draining the tank by turning on the drain valve.

How do you drain an electric water heater tank?

Quote from the video:
Quote from Youtube video: Simply open the cold water supply to the water heater using the shut-off valve. Let the water rush in for 10 to 30 seconds.