3 way valve - DIFF for Vaillant : 252457

3 way valve - 252457

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 an original spare part FROM parts manufacturer, it is labelled AND packaged under the DIFF distribution brand.

Given the nature of this product, it is recommended to have it installed by a professional.