This question is regarding Mira 415/415B Cartridge Assembly (Black/Red) - 902.55

Cartridge going hot/cold

hi does this part control the water temprature that comes throught the shower as ours keeps going cold then hot thought it could be the boiler diverter valve but hot water tapes stay hot
Asked 13 years ago by Anonymous

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.   

 

The water at the taps have a different flow rate and therefore can give different results

Answered 13 years ago by The Shower Doctor

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