Search results

240v i have put the readings above, didnt know what u meant on the grey wire + white wire reading so the reading i put down was the grey wire hw off/ ch on.

hello mate , yes i do.

no was a heating engineer , the old control box had micro switches behind the connections and he said he hadn't come across this before and replaced it with a standard connection box.

i did have a guy come round and he fitted a new control box , all worked fine when he left but next day i noticed the boiler was switching on when both central heating and hot water were switched to the off position, switched the power off then on again and this resulted in the problem i...

Hi all, my heating is firing up ok but when selecting central heating the boiler does not fire up. I changed the 3 port valve for a horstmann valve but still have the problem, when you select central heating the valve moves to just past the mid way position but not fully across, if you then pull...

hi , problem with an ideal classic 50 nf boiler , when central heating selected light comes on in the programer but the boiler fails to fire up , works fine on hot water, ive changed the three port valve but still have the problem, any ideas.

:(

Hi all,can anyone help , im changing an old room stat , the old one has three connections with no markings , the cable running to it has three wires blue , brown and yellow/green the new stat has connections marked 1 , 2, 3 and 4 , can anyone advise me as to what goes where .[i recently had to...