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Apr 29 2023

Full Guide for How to Drain Your Water Heater Tank

Water heater maintenance is essential for keeping your water heater functioning properly and efficiently, and draining the water heater tank is among the more important maintenance tasks. Fortunately, it’s easy enough for most homeowners to handle on their own. In this brief article brought to you by Rooter Hero Plumbing & Air, we share the general process of draining a water heater tank.

If you prefer to have a uniformed plumber handle your water heater maintenance, then call Rooter Hero to schedule a convenient appointment today. We are also happy to arrange emergency water heater repair as soon as possible. Our live representatives and dedicated plumbers are ready when you are.

Why You Should Drain the Water Heater Tank

Tank-style water heaters are a common type of water heater used in many homes and businesses. They are designed with a large tank that stores and heats water until it is needed for use. When the hot water in the tank is used, it is replaced with cold water, which is then heated by the tank's heating element or burner.

Sadly, the incoming cold water could – and often DOES – contain excess minerals and sediments which can accumulate and build up in the tank. Sediment buildup can lead to overheating and potential tank failure, which can result in flooding, property damage, and even injury.

Draining the water heater tank removes the sediment and minerals, allowing the heating element to work more efficiently and extending the lifespan of the water heater.

How to Drain the Water Heater Tank

Though the general process of draining a water heater tank is the same, the specific steps may vary slightly depending on the type and brand of water heater. Here is a general step-by-step guide:

  • First, turn off the power supply. If electric-powered, switch off the respective circuit breaker. If you have a gas water heater, turn off the gas supply valve.
  • Next, locate the cold-water supply valve and turn it off.
  • Then, open a nearby hot-water faucet to relieve pressure in the water heater. This will allow air to enter and help release water from the tank.
  • You can now connect a hose to the water heater tank’s drain valve, and make sure the other end is in an appropriate location such as outdoors or at a floor drain.
  • Now, open the drain valve to let out all of the water in the tank.
  • Once the tank is drained, turn on the cold-water supply valve for a few minutes to rinse and flush out any remaining sediment or debris.
  • Finally, close the drain valve, remove the hose, and wait for the tank to fill back up before turning on the power supply.

Again, this is a general guide. You should always consult your water heater’s user manual for specific instructions.

Need a Uniformed Plumber?

Whether it’s for draining the tank or handling the hot water heater tank installation, hiring a uniformed plumber can offer a valuable peace of mind. Call Rooter Hero to hire an experienced plumber. We are happy to schedule an appointment or arrange an emergency repair today.

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