This question is regarding Mira Atom/Coda Thermostatic Cartridge Assembly - 1663.114

Temperature fluctuations

The Coda shower fluctuates between hot (not very) and cold, sending out mostly cold water then getting warmer for brief periods of time. It feels like there isn't always hot water coming into the shower mixer. Do I need to check/replace the filters or do I need to replace the thermostatic cartridge (or both)?
Asked 9 years ago by Anonymous

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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