Thanks for the quick reply! Yes I have that manual but never found what I was looking for. The cartridge replacement guide for the shower has three different regulators.
For a 80,000 btu - Yellow
100,000 btu - Green
120,000 +btu - Blue.
I left the factory fitted yellow one in...
I have just replaced the thermostat on a Aqualisa shower and there were new new parts to be added dependant on the BTU size of the combi boiler in use. A different colour filter plug had to be fitted on the outflow if the size of boiler was 800 btu , 1000 or above that. Can anyone tell me what...