This question is regarding Ultra Group Dual Valve Service Kit: Front Housing & Cartridge (Chrome/Brass)

temperature

Shower sometimes only runs cold
Asked 5 years ago by robert
Probably fitting a front housing service kit would solve the problem, however just check that the supply to the shower is OK before ordering parts

See below for how to check.

Regarding the temperature fluctuation or cool running, it could be a faulty cartridge. However to check this if you have the shower fed from a combi boiler, 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 or goes cool, 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.

Disregard the temperature at the taps as they have a different flow rate.

Answered 5 years ago by George Thomson

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