Kit of sensors - VAILLANT : 253537
Kit of sensors - 253537Additional information:This part is sold under boiler manufacturer packaging, without any modification.
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.
Additional information:
This part is sold under boiler manufacturer packaging, without any modification.
