I need to change a faulty thermostatic shower valve, and surprise surprise there are no inline isolating valves on it!
How do I drain the hot water side of the system so I can change this part?
I presume the cold water can be isolated just by turning the stop cock off?
How do I drain the hot water side of the system so I can change this part?
I presume the cold water can be isolated just by turning the stop cock off?