How to drain the heating system

When it is necessary to update your existing heating system in order to e.g. change the location of the radiator, an emergency leak, or paint the wall behind the radiator, and etc, we can drain the water from the central heating system. For this we need to stock up on drain hose and locate a valve to drain the water from the central heating. It can usually be found near the radiator or boiler at the lowest level of your house or flat. Place the hose on the tip of the outlet valve and then place the other end out in the garden or in the drain so that it is not higher than the drain valve from the central heating. Turn off the boiler’s power, in case you have an open heating system, shut off the water to the tank which is usually located in the loft of your house. Then, gently unscrew the valve using an adjustable wrench, if the valve is old and does not unscrew then you have to call in a plumber (Emergency Plumber Romford can do this for you). After that, unscrew the radiator bleeding valve at the highest level of your house. This should be done on a cold radiator as a warm one can burn you. After draining the water and performing the planned work, you have to refill water the heating system and inhibitor to the appropriate pressure, check for leaks, bleed central heating system and switch on the boiler. This can be dangerous if done by an unskilled plumber as it can result in flooding of the house and damaging the body of the central heating system. Therefore, the work must be performed by a qualified plumber. Romford Emergency Plumber will do this work for you, quickly and safely.

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