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My boiler controls just the heating only its a **Ideal Logic Heat 12 model** My boiler just controls the Heating its not a combi boiler. Its a **Ideal Logic Heat 12 model** The boiler was working fine before we turned the heating off down by the stat for the spell of good weather we had...

The old unit was a Newlec NLBRT1 yes i have a mulitmeter

dis-regarding any other post or pictures. what colour wires go to what number on this diagram in this post here.

the one thing i do know 100% is that blk?brown wire come from the on bit in the 1st picture as the engineer was doing summat with it when he come out.

sorry for the ignorence what is the FCU?

i do apologise, the back plate im holding is off the old room stat (the wires show how they were connected) the second picture is of the new room stat. what i want to know is what colour wire goes to what number in the 2nd picture which is of the new room stat

Hi guys. here is a picture of the wiring from how the old stat was wired in, can you relate in dummy terms what colour wires go from the old stat to what numbers they go to on the new stat. when i changed the wires and got the wife to turn the electrics on thats when it tripped out and the...

Hi sorry to be dumb, but can u explain a bit more please?

Hi i had an engineer come out to diagnose a fault with my boiler which we thought was the 3 port valve not working, but was diagnosed to be the room stat not calling for the heating. on the advice of engineer he said change the stat as its cheap than them doing it at a cost of £140 I just...

Hi i looked at the sticky valve, i think its the motorized valve as i cant hear anything working, when i move the lever the opens and closes the valve its only the lever that moves. (not the middle bit that the lever sits in). which im guessing will result in the lever being in the position as u...

Hi I'm after a bit of advice, I have a Logic heat 12 boiler with a Hortsman centaurplus 27 programmer and a Danfoss HSA3 motorized valve. with a Newlec room stat. I'm not sure if something has gone wrong with it? I have both Heating & Hot water. when i turn the room stat down the radiators are...