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Hi, I am intending upgrading the controls on my heating system, currently there is a Sangamo M8 which gives no control of the DHW. I intend to use a honeywell 3 port mid position valve. honeywell L641A cylinder stat, a honeywell CM 927 wireless programmable room stat and a WickesRWB9 (already...

friends Myson Apollo boiler pilot light is acting up. I have changed the thermocouple and used a compressed air line to clean the pilot injector.. when testing the pilot light i noticed that the pilot flame was being blown downwards by incoming air from the flue. The 'sound' from the flame at...