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sorry to bother you all, just been offered a job at BG as a techincal s&r engineer want to know about the audits(what they look out for) and overtime etc they said theres no cap on overtime its £35k basic (not too happy with that) how much overtime is available thanks

can some please explain why my mate has removed a flue restrictor now the boiler fires up fine before he removed it the boiler would not fire...also why does the pressure switch have negative and positive venturis i thought it only makes when the fan blows(positive)......also how do venturis...

if the boiler fan sucks the gas out of gas valve and blows it onto the burner how do the products of combustion get out of the flue i thought the fan blew them out???

Just started my college course after being in the navy for 12 years so please dont drill into me, regarding the cold feed and vent pipe it has to be 150mm apart on the suction side of the pump what i dont understand is if its on the suction side wont the pump suck all the water out of the...