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Hi, This is a super basic question but I can't seem to find an answer. If I replace an old radiator with a new one (just to look prettier :) ) does it have to exactly match the size or can you extend the pipe to make it fit? In this case the pipes that come up through the floor can't be moved...

That was me (OP) saying I think it's a RMT230 - the outer case is identical. I do have a meter, so I guess the idea is to check that the black wires get switched to live when the thermostat cuts in and to decommission I need to connect the black wires to whichever wire is live?

It looks like a Danfoss RMT230

It is a danfoss but can't see a model number. Reading left to right the terminals are numbered 4,5,1,3,2 and the connected wires are: 4 = blue, 5 empty, 1= both blacks, 3 = empty, 2= brown. I don't think it would help to add a pic of the wiring box at the other end as it's a proper mess!

I had a look at decommissioning the thermostat. There are 4 wires (blue, brown and 2 blacks) and it looks like the 2 black wires are already connected together at the wiring centre. The boiler does fire up when the temperature is changed so I'm not sure how to proceed. Thanks

Thanks for your time chaps.

Thank for your reply. It's a Danfoss FP715 and looks to have the wiring as you describe so I'll give it a go when I can get to it in daylight.

Hi, I have a normal boiler with hot water tank and want to install a Hive controller system. When I removed the existing timer, 'heating on' and 'hot water on' are wired but there are no wires on 'heating off' and 'hot water off'. Do you think I can just stick the new controller onto this...

Two things really: 1. I have a 50 year old oak front door which is nice looking but is bowed so it sits about 1cm from the frame at both the top and bottom. I have some rubber draft excluder on the frame but it doesn't help much. Any ideas? 2. Next to the front door is a stud wall about 2...

I have a very wet loft in winter from condensation. I have upvc soffits that look like these (except mine aren't vented): https://upload.wikimedia.org/wikipedia/commons/thumb/f/fb/View_Of_Soffit.jpg/200px-View_Of_Soffit.jpg Can these be vented? I was thinking the normal round vents might work...