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Step-by-step plan
will my boiler still work without the TF signal?

Does your electric boiler heat up water automatically at night? If it does, your boiler is probably activated automatically by the tone frequency signal (TF signal). This signal will disappear from more and more areas as of 1 July 2021. Your boiler will then no longer heat up water automatically overnight.

If you would like to know if this situation applies to you and what you can do about it, work through the steps in the step-by-step plan below.