Trevi 1/2 inch shower Red hot

Thanks for help on fitting 2 of the above cartridges they both seem to be working and water is flowing at a decent pressure. Problem I have now is that the shower is permanently red hot and only get a couple of degrees cooler when I turn the temperature handle to cold. I had a plumber in last year who replaced the thermostat so assumed it was ok. Is there something I can check ?
Asked 12 years ago by Paul

It would appear that the cold cartridge is not opening, areyou sure that it is connecting to the gear wheel and spindle? Failing this then itis the thermostat.

Answered 12 years ago by Anonymous

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