new cartridge for exel mira
Are you on a combi boiler?
See if you can get hold of the hotsupply pipe before it enters the shower or perhaps as it leaves the boiler.
If when holding this pipe thetemperature fluctuates or goes cool then the problem is not with the shower butmore likely with the boiler as the shower can only deliver what the boilersends to it.
Disregard the temperature at thetaps as they have a different flow rate.
The other thing to check is haveyou installed the cartridge the correct way round?
Normally as you are standing inthe shower looking at the valve hot to the left cold to the right
Answered 12 years ago by The Shower Doctor
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Mira Excel - post 1996 Shower Spares
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