How to drain water from the boiler: tools, step by step instructions

boiler To provide an apartment orhouse hot water, often install a boiler. The service life of the heater is largely influenced by tap water. If its rigidity is increased, and there are many contaminants, the boiler will be covered with scum within the boiler. Prevention of breakage due to excessive accumulation of scale is the cleaning of the boiler from the inside. By merging water at least once a year, you will prevent contamination of the device and excessive formation of scale.

Also, the drain of water from the boiler is performed in case when the house is not used for winter time, and the water inside the water supply system can freeze. An experienced expert can correctly and quickly drain the water from the heating device. But is it possible to perform such a procedure on your own? Yes, if you understand the process in more detail.

• Often, drain the water from the boiler if the device is to be repaired or cleaned. The device freed from water weighs much less, so it will be easier to dismantle. Any repair work with water heaters is carried out only with dry tanks, so that if the TEN or sensors are to be dismantled, the water also necessarily merges.
• Also, in addition to the task of cleaning the heater and the inner surface of the tank, the water is drained in the event of an irregular use of the device. For example, when a boiler is in a country house, where the owners come only for the summer holidays or weekends, and in winter the unit will stay in unheated conditions. In this example, the water necessarily merges, because there is a risk that when the boiler is idle, the ambient temperature will be below +5 degrees, that is, the coolant risks freezing, which can cause the tank to burst.
• Also the need to drain water is often motivated by the appearance of an unpleasant smell of water coming from the device. The reason for this smell can be a long, simple boiler, when it is filled with water, or a water supply failure, when contaminated water with a large amount of impurities enters the pipes.

Consider cases when draining water from the boiler should not be:

• If you need to turn off the boiler for a period, but there will not be low temperatures during downtime, drain the water from the unit is not worth it. Leaving water in the tank, you protect the heater from early corrosion. In addition, if after returning you, forgetting to turn on the emptied device, you risk causing a fire.
• When the water heater was switched off for a certain time, but inside the stagnant water became stale and with an unpleasant smell, there is no special need to drain it. To update the water it is enough to recruit it a few times. Such "rinsings" of the tank are recommended to be carried out regularly, sending through the device approximately 100 liters of cold water every 2-3 months.
• Do not empty the water yourself if the warranty is still on the device. If soon you need to contact the service for repair or maintenance, the guarantee will be considered invalid as soon as the traces of your independent actions are revealed on the boiler. If the discharge of water is necessary to eliminate the breakage, it is better to call the master immediately. Coming to your house, the specialists will do their utmost.

It is not recommended to drain water from the heater either. If you just wanted to see the tank from the inside without special need, conduct a "training" for the future or empty the device unscheduled, it is better to refrain. With household appliances, manipulation should be carried out only for a specific purpose.

To carry out the procedure for draining water from the boiler, you need to use:

• with a swing or spanner key;
• with drain hose;
• screwdrivers( cross-shaped and conventional)
• hexagon.

The key should be chosen with allowance for the nuts holding the valves.

Since the boiler is a high-pressure appliance, it is not sufficient to stop the cold water supply and to open the hot water tap to drain the water. You will immediately understand why, when you see, by what principle the water heater works.

Look at the boiler and you will notice that two tubes are connected to the device:

• One of them( usually on the right) is a branch pipe through which water is injected. Since cold water flows through it, this tube is usually marked in blue. It has a safety valve with a valve, which allows changing the pressure of water, as well as preventing the incoming heated water back into the water supply network.
• Through the second branch pipe, usually marked in red, the heated water flows from the unit to the mixer. When the safety valve is not blocked on the supply pipe while the hot water is being supplied to the mixer, the cold water fills the tank again. That's why to drain the water must always block the flow of cold water.

Your first important action should be to disconnect the device from the mains. Any electrical appliance is repaired only after it has been completely de-energized - this is an important rule. When you turn off the electricity, the heater will stop working and the water will gradually cool down. You can not merge boiling water, so it's best to turn off the device from the current in the evening, planning to drain the water in the morning when the water temperature is safe.

In the morning after shutting off the water supply to the safety valve( so you will not allow the water to re-enter the tank), open the hot water on the tap and wait for the heater's capacity to empty. The hot water valve on the mixer must remain open until the water stops flowing.

The next step is to connect to the hose device, the , which will discharge the water to the sewer. This hose must be connected to the drain hose. In some models, there is no such branch pipe, then a T-piece is mounted above the cold pipe safety valve during their connection. In this tee, one of the outputs is used to mount a valve with a conventional tap or drain pipe. This tap opens at the end of the drain to get rid of the last water leftovers.

If the warranty period for the device has not expired, you can not discharge the water when it breaks with your own hands.

You should contact the company that sold you a boiler and installed the device in your home.

In order not to have difficulties with determining the person responsible for warranty repair, it is better to order the installation of the boiler in the same company in which the device is purchased.

In any case, to plan to clean or repair the water heater for warranty, call the specialists who were engaged in installing the boiler. Drain and repair work is carried out at the installation site.

Called specialists inspect the device( it is physically damaged) and eliminate the breakdown. If the work requires dismantling the heater and draining the water, the masters will do this, and you can drain the water from the device yourself only when the warranty period is over. However, do not forget to close the valve before stopping cold water supply to the device, and also to disconnect the device from the network.

The reason for this smell is hydrogen sulphide, which can get inside the boiler with water coming from the general water supply system. Also, an unpleasant smell is acquired by the water, which lasts for a long time in the boiler, when it was not used, for example, if the owners were away. Another reason can be called the desire of the owners of the heater to save when they reduce the heating temperature. The device heats water to 35-45 degrees, but this temperature regime promotes the development of microorganisms in the water that release hydrogen sulphide.

To get rid of water that has stagnated, it is not necessary to discharge it from the device, it is enough to fill the boiler with fresh cold water several times.

Also to get rid of the unpleasant smell coming from the heater water can be treated with its walls 9% table vinegar. Completely drain the water from the device and place the TEN in vinegar.

Attaching the loofah to the long stick, moisten it in the vinegar and wipe the walls of the tank from the inside several times. After half an hour, do the same manipulation, only treat the walls with vinegar and cold water.

boiler In order for the boiler to please you for a long time, observe a number of simple rules:

1. Any manipulations should be carried out only after the boiler is disconnected from the mains.
2. When you intend to release water from a boiler or perform other tasks, read the manufacturer's instructions and recommendations.
3. Before turning on the heater, be sure that there is water in the tank.
4. Clean the boiler regularly 1-2 times a year.