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

Again and again there is 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 exchange of radiator valves

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

You then no longer regulate the flow of water properly, or do 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 the water

This basically works at the lowest point of the heating system - 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.

Exchange and

The drain and inlet valves (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.

Replacement of the entire radiator

You have to completely remove a radiator all connections of the radiator to solve. To replace a radiator you should definitely have a specialist perform.

Tips & Tricks

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

Video Board: How to Flush a Heater Core (Fast)