Sensor - DIFF for Viessmann : 7819967

Sensor - 7819967Additional information:This part is an original spare part FROM parts manufacturer, it is labelled AND packaged under the DIFF distribution brand.

Safety Information :
To protect yourself against electrical hazards, be sure to disconnect the load from the power supply before working on it. If in doubt, don't risk a faulty installation: ask a qualified electrician for advice.