Do you have water radiators ?

Water radiators with a thermostatic head

To check the compatibility of your installation, follow these steps

• 1 The thermostatic valves are most often graduated from 1 to 5 and can be removed from the radiator in one of these three ways.
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• 2 If yes, unscrew-unclip your current thermostatic valve.
• 3 Observe the shape of your thermostatic body
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OK, thank you