1450.8 - Extension kit for rectangular backplate

The backplate extension kit represents a real innovation in the sector. Thanks to this product it's possible to extend the wall box with multiples of centimetres, without limits. Once the backplate is aligned with the wall, it's possible to install the inlet valve properly. Every kit is composed by N. 3 frames (1 cm each) and N. 1 extension and a pack of screws.