Yes I have - all radiators off and one/both of the trouble radiators on. No change - still stone cold. The pipes aren't even warming up.
Would a blockage still be the case if we can pass water through the system using drain-offs?
These are the farthest two radiators from the boiler in terms of...
Thanks again. Yes, moved in two weeks ago and been trying to battle this ever since.
There is one "main" flow and one "main" return - this is copper and feeds all working radiators. There then T's off to another flow and another subsequent return - these are plastic and drop down to the ground...
Thank you both for your very speedy replies.
Yes we have, multiple times!
There are two drop pipes - a flow and return, which T-off from the main copper flow/return upstairs. The two problem radiators each T-off from the drop flow and rejoin at the drop return - it's almost a sub-system of...
Hi DIYnot,
We've just moved into an older property (1700s building) with a Worcester 24cdi combi gas boiler. We have 6 radiators total - two upstairs, a towel rail in the bathroom, one in the hall, one in the kitchen and one in the living room. It is a closed system.
The latter two...