So, shut off supply, open hot taps, drain both, turn on the supply to flush the first, close the drain on the first, let the first fill until it runs into the second, flush the second, close the drain on the second, fill until no more bubbles come out the hot taps, and only then turn the power or fuel back on.

How do you flush a series water heater?

How to Flush Your Hot Water Heater

  1. Turn the Knob on Your Hot Water Heater’s Thermostat to “Off” …
  2. Turn Off Gas to Hot Water Heater. …
  3. Turn Off the Cold Water Supply to Hot Water Heater. …
  4. Turn on the Hot Water in a Sink or Tub. …
  5. Connect Garden Hose to Drainage Spigot. …
  6. Turn on Spigot and Drain. …
  7. Flush.

Do hybrid water heaters need condensate drain?

A. It is normal for water to drain out of your electric hybrid water heater’s condensate line. All electric hybrid water heaters have a condensate drain line to remove water that has condensed from the warm air that was drawn into the unit to heat the water in the tank.

How do you drain a disconnected water heater?

How to Drain a Water Heater

  1. Turn off the gas or electricity to the water heater.
  2. Close the cold water supply valve coming into the water heater.
  3. Attach a garden hose to the drain at the bottom of the tank.
  4. Run the hose outside on the ground.
  5. Open the drain valve on the tank.

Can I drain water heater through faucet?

Open the hot water side on your faucet. Opening the faucet will allow air into the water heater so it can drain. Tip: If your system has an older style pressure relief valve, you can use it to let air into the tank.

Do you have to turn gas off to drain water heater?

Turn off the gas: Gas-based water heaters need to have the gas pipe leading into the thermostat shut off as well. Turn off the water: The last thing to turn off is the cold water supply, which should be cranked off like any other water valve in your home.

How long does it take to drain a 50 gallon water heater?

This can take 20 to 60 minutes, depending on how big the tank is. Be careful not to damage or break the drain valve when you open and close it. Never force the valve open or closed.

How do I turn off the gas to my water heater?

Quote from the video:
Quote from Youtube video: The next step is to shut off the water supply to the unit use the shut-off valve located at the top of the water heater. Great job now that we've shut off the gas in the water to the unit.

How do you drain a Rheem Classic series water heater?

There is a drain valve at the bottom of your heater. Locate it and then attach a garden hose to it. Open the relief valve located at the top centre of the heater. Let the water get drained completely and then close the drain valve and the relief valve.

How do you drain a gas water heater fast?

Quote from the video:
Quote from Youtube video: Outside the home remember. The water may be hot so use caution. And keep the hose off the lawn. And away from children. Open the drain valve and release a few gallons of water. Close the drain valve.

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 long does it take to empty water heater?

Draining a water heater is something you should do once a year to keep your hot water heater running smoothly. The draining process is quick, usually no more than 15 minutes, depending on the size of your tank, but prep work takes a bit longer, and the whole process may require about a day.

How do you drain a 50 gallon water heater?

Quote from the video:
Quote from Youtube video: Of the hose to the drain valve at the bottom. And as you're putting this on go ahead and give it a turn or two with your channel locks just to make sure it's secure.

How do I know if my water heater has sediment?

Symptoms of Sediment in Your Hot Water Heater

  1. There is no hot water.
  2. The water temperature fluctuates.
  3. Popping or rumbling noises coming from the tank.
  4. Your hot water looks rusty and smells bad.
  5. There are small leaks near the water heater drain valve.
  6. Water takes a long time to heat up.

Where is the drain valve on a water heater?

There should be a valve on the line near the top of the heater tank. Alternately, the main water supply valve to your home can be shut off.