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I have a flame detection error. Book suggests that PCB might be faulty. I have checked the pins on a PCB [with electrical meter] for the flame detection electrode [frame 88 in book] and there is no continuity on it. Is buying new PCB 174486 [as the recent one] and replacing old one going to...

Hi So I have several radiators at home, as usual there is one control knob at which you control the temp [I'm not plumber but I have only seen it this way whole my life :) ] I moved to this home some time ago and noticed some of radiators can't be controlled with only this knob. It only...

Hi Long time in school I was doing electrical schemes and stuff but it was long time ago... Now I could only pull the actual connections I have. What I'm looking for is a help, how to make wiring this way so B2 - which is light bulb on a floor - could be switched OFF and ON - also from...