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Its on it own circuit as far as I can tell, I'll try to get a multimeter to test it. I don't think the control panel has an internal fuse. Thanks for the suggestions.

Yes its the timer inside the house, a Horstmann Centaurplus C21. The boiler and pump are in the garage.

Over the last few weeks the heating hasn't come on at the set time, even though the red lights were on on the control panel. When I toggled through the settings on the panel eventually I'd hear a click and the heat would come on. Yesterday it wouldn't come on no matter what, checked the fuses...

Over the last few weeks the heating hasn't come on at the set time, even though the red lights were on on the control panel. When I toggled through the settings on the panel eventually I'd hear a click and the heat would come on. Yesterday it wouldn't come on no matter what, checked the fuses...

Just had a thought, there's a "false corner" kind of thing in the utility room where two sheets of ply box off the corner. This would be directly under the hotpress. Hmmm now where are those xray specs so I don't have to demolish the thing to find out if I'm right. Cheers for thr replies.

My motorised valve needs replaced (I assume), I have a programmable timer with separate HW / CH which has worked fine in the past. However now when HW only is selected, rads come on as well. So having done my Google research I set off to find the motorised valve. Not in the hotpress Not in...

Thanks for the replies, think I'm slowly getting there through trial and error. All the rads have at least moderate heat now - wife slightly less annoying now!

Thanks, if it is balancing, is it likely that the cold rads need opened more or the hot ones?

A couple of downstairs rads are stone cold, couple upstairs only slightly warm, all the rest are piping hot. When I turn off 3 or 4 of the hot rads, the problem rads all heat fine. I've tried bleeding and have checked all the trv's and freed a couple of pins that were stuck but rads are still...