My pump shower, Hansgroher mixer, will now only give warm water even with the dial turned up fully. It is about 10 years old.
I have changed the thermostatic cartridge (Hansgrohe 1/2" Thermostatic Cartridge - Part no. 92601) but this has not improved the situation.
I have read other posts, which suggest that the filters could be clogged, but how do I check this and, more importantly, how do I fix it?
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