No idea when last cleaned. Husband has constantly fiddled all day with people's suggestions and all but the living room rads are starting to warm up. That leaves the two living room rads. there is heat in the pipes but not going in to the rad?? Have tried turning the TRV's up and down and off...
I have a combi ICOS boiler with a microbore system.
The boiler was only replaced 3 years ago and is working. It was checked last Xmas when we had a house fire and checked again the other month.
Half my radiators were replaced 5 years ago and the pump is in working order.
This is a...