New Mira Excel cartridge temperature range
many thanks.
If your shower is fed from a combi boiler or an unvented hot water cylinder then it is possible that the cold water supply pressure is too high for the hot and a pressure reducing valve in the cold supply to the shower is required.
It is actually more likely that the shower is reverse plumbed and hot and cold supplies are swapped. Industry standard is hot to left and cold to right.
If your unit is reverse plumbed it is easily corrected, just remove cartridge turn through 180degrees and refit. Fit the knobs right way up and thats it.
Temp range adjustment is simply done by removing temp knob and turning hub until required mid range temp is achieved removing hub without turning spindle and refit in vertical position, may take several attempts to achieve desiresd temperature.
Answered 13 years ago by Anonymous
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Mira Excel/Select Thermostatic Cartridge Assembly - 903.33
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