Exchange the angle valve on the heater - you must pay attention to this

There is always a feeling of helplessness when it comes to replacing the radiator valve. Drain water or not? How to remove? Where is removal impossible? You will find answers to the most important questions on this topic in this article.

Reasons for the replacement of radiator valves

In many cases, the exchange of thermostats or venting is sufficient for poorly functioning heaters. Sometimes, however, the radiator valves are no longer intact after many years.

They will not regulate the flow of water properly, or they will not work at all. In this case, an exchange is inevitable. Thermostatic valves are usually quite easy to replace, but here, too, the water must be drained from the heater.

Drain water

This basically works at the lowest point of the heating system - ie in the basement. How much water has to be drained depends on the individual case and the pressure. The drained water must of course be refilled later. Before changing, you also have to drain the pressure in the radiator and drain the water there as well.

Replacement and

The drain and inlet valve (in many cases two ball valves in a tap block at the inlet) can sometimes be closed separately. If this is the case, just close the two valves and bleed the radiator to change the thermostatic valve.

Replacing the entire radiator

To completely remove a radiator, you must loosen all connections of the radiator . To replace a radiator you should definitely have a specialist perform.

Tips & TricksIn most cases, trying to change yourself will not be advisable. Water damage caused by ignorance or ignorance of the householder when carrying out repair work usually does not cover the insurance.
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