This certification program of the Keymark is applied for thermostatic valves installed on heating units.
The Keymark for Thermostatic Valves certifies compliance with the applicable European standard EN 215, in particular the mechanical strength and the aptitude of products use.
This certification concerns the thermostatic valves with or without pre-setting device which is intended for adaptation on heating units in hot water central heating installations. It is composed of thermostatic head (regulation element) and the valve (mechanical element).
The different types of thermostatic valves are: