Shut-off valve - DIFF for Vaillant : 0020057241

Backflow - 0020057241Additional information:This part is an original spare part FROM parts manufacturer, it is labelled AND packaged under the DIFF distribution brand.

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.