artisan shower running cool
Carry out this check first
Regarding the temperature fluctuation it could be a faulty cartridge however to check this, see if you can get hold of the hot supply pipe before it enters the shower or perhaps as it leaves the boiler.
If when holding this pipe the temperature fluctuates then the problem is not with the shower but more likely with the boiler as the shower can only deliver what the boiler sends to it.
If the supply to the shower is OK then have a look at the check valves in the inlets to the shoawe valve and make sure that they are not sticking
Answered 13 years ago by The Shower Doctor
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