Hot/Cold issue

Intermittent problem. Shower runs off a < 1 year old combi boiler. Water runs hot water just fine for a few minutes but then runs cold, usually comes back warm after a minute on average.



Don't get the problem on other taps in the house. Shower isn't very good at controlling the temperature up and down either, it does have some control but not much.



Have installed new hose and shower head, I heard that could be an influence.

Any help would be great!
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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