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surface mounted chrome mira excel temperature control.

This question is regarding Mira Excel (1990-96) Cartridge - 903.33

i have just converted my heating system from oil to gas. i am having trouble controlling the temperature and

the extra pressure that the gas boiler produces.i previously got my pressure from a salamander press. pump.

Asked 5 years ago by Anonymous
There is a dial at the back of the cartridge that needs to be changed for high pressure systems. Changing this may help.
Answered 5 years ago by Barrie Seabright
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