How to drain the water from the boiler and how often you need to do it

By SSPDailyMar 19, 2024 09:36 AMLife Hack for Home
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How to drain the water from the boiler
How to drain the water from the boiler. Source: trusteyman.com

How to properly drain water from a water heater. SSPDaily tells about it.
Why do you need to drain the water from the boiler

During operation, scale and other deposits appear on the inner walls of the water heater over time, which can interfere with the correct operation of the device. Over time, the body and the tubular electric heater (TEN) can become rusted as a result of prolonged use, and in the worst case, holes can appear in the body and a short circuit can occur.

Therefore, regular draining of the water heater is a mandatory and effective way to extend its service life and prevent unexpected damage.

How often do you need to drain the water from the boiler

Experts recommend draining and flushing the water heater at least once a year, but more often.

How often to drain the water heater depends on the following factors:

  • Frequent use of the water heater - in this case, sediment can accumulate faster, so you need to drain the water more often.
  • The size of the water heater tank. A large tank accumulates more sediment, so it needs to be flushed more often.
  • In areas with hard water, it is important to drain and flush the water heater every 4-6 months.
  • The frequency of water draining depends on the lifetime of the boiler. A boiler that has been in operation for more than one year should be flushed more often than once a year.

How to understand that the water needs to be drained and the boiler cleaned

This is signaled by the following signs:

  • Rusty or dirty water coming from the tap.
  • Unusual sounds - sediment can cause a strange rumble or knocking noise. Water heater noise during operation.
  • Water does not heat well, water temperature fluctuates.
  • Water takes longer to heat than usual.
  • The hot water pressure has decreased.
  • The tank is leaking.

In addition to these problems, you need to drain the water to replace components or perform other repairs.

How to drain the water heater

Before draining the water, turn off the water in the apartment or house, disconnect the water heater from the power supply, shut off the water supply to the device, and wait until the tank and water cool down.

Depending on the model of the water heater, its shape or size, the manufacturer, and other nuances, you can drain the water in different ways.

Drain the water heater through the safety valve

If the water heater is installed correctly, it should have a safety valve for quick drainage, which is located on the rod in front of the opening to the liquid tank or on the cold pipe.

Draining through the valve is the easiest way to drain the water. To do this, place a container under the boiler to drain the water. Open the valve, wait for the liquid to drain and close it again.

After that, you can descale the boiler and rinse the water heater to eliminate the unpleasant odor.

How to drain the water through the cold water hole

If there is no drain valve and no valve regulating its operation, a hole designed to drain cold water is used for drainage. In this case, you will need an adjustable wrench.

Be sure to turn off the hot water tap and place a water container under the boiler. Take the adjustable wrench and unscrew the nut connecting the emergency drain valve to the soft hose or communication pipe.

Unscrew the nut that connects the emergency relief valve to the water heater connection. Remove the emergency fluid drain valve, and if possible, rinse under high pressure to remove any blockage.

To allow the liquid tank to fill with air, open the valve responsible for the hot water supply. After opening the last valve, water will flow.

How to drain the water through the hose openings

This is the way to drain the water if the boiler is installed directly above the bathtub, because you cannot control the speed and strength of the flow.

Unscrew and remove the hoses from the cold and hot water inlet, and completely remove the safety valves, the liquid will flow out in a few minutes.

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