It is not necessary, because the joints can be made by simple fitting of the parts.

Yes, the raw material used in the manufacture of the product allows use up to 240°C.

Washbasin valves are offered with the "overflow" closed. If you need an open overflow, simply remove the film.

The biggest benefit of the click clack valve is the locking and draining of the water, which is obtained with a simple manual grip on the unique quick-release cover that gives the product its name, "opens in a click and closes in a clack".