Shower gradually keeps getting colder1

I have the above shower for as long as i can remember and it has served me well, however, in the last few years it has taken to running cold despite alteration to the thermostatic control. It has had 2 new thermostats and a new piston in the last year but has again started running cold!
Asked 9 years ago by Anonymous

Have you fitted a service kit?

www.showerdoc.com/sirrus-valve-service-kit-sk1500-1

If it has inlet filters (Not all have) have you checked that they are clean?


If it is on a combi boiler try the check below.

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 9 years ago by Anonymous

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