On 07/10/2020 23:35, John Rumm wrote:
On 07/10/2020 22:37, PeterC wrote:
On Wed, 7 Oct 2020 16:11:49 +0100, newshound wrote:

Depending on the design, there is often a gate valve somewhere near tehe
tank (or possibly from cold cylinder to tank) that you can turn off
(recognisable by round pressed-steel handle).

Often won't move or, IME, turns 'off' but actually does FA.

or turns off and never turns back on again, with the spindle just
twiddling...




My hot water gate valve next to hot tnk is jammed Open.
One day I will try and release it ...