trevi therm built in shower
do i need new thermostatic cartridge
First check the filters on the temperature cartridge,
If you are on a combi boiler then carry out 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.
If you are not on a combi or the check is OK then you are going to need a new cartridge.
Answered 9 years ago by Anonymous
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Ideal Standard Wittlich 3/4 Thermostatic Cartridge D 08 - S960134nu
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