On 2/16/2018 9:08 PM, Jim GM4DHJ ... wrote:

Looked at the picture, and as I suspected, it's a Torbeck valve.

NEVER mess with a Torbeck valve...they work by magic and if you touch
them the magic goes ....honest ......

If the bloke has just had a combi fitted and the wc is now off mains
pressure replace it with the appropriate high pressure ball valve type
.......

--
Resisting Freemasonry for 39 years .....
Fat Masons need love ...