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Just to (hopefully) round out this saga - I think we finally got the problem fixed. We managed to get the plumber over who originally fitted the system for our builders. He was only here about half an hour and identified that one of the valves on the boiler was closed. Not sure how that...

Didn’t see your most recent reply, yes that’s the valve we unscrewed, so seems like that’s all fine! Thank you

Ok, identified the automatic bleed valve on the pipe near the diverter valve, unscrewed it, some water came out, screwed it back on. I assume this counts as bleeding it? Will see if that makes any difference.

We’ve bled the radiators but no vents on any pipes. We’ve been a bit reluctant to do much with the pipework around the hot water tank / underfloor heating manifolds in case we muck anything up (complete novices but off the back of all this I’ll be moonlighting as a plumber fairly soon!) will...

I’ve been wondering if changing the radiator might have dislodged some sludge and clogged a pipe somewhere. All my pipework to the boiler is squeezed behind a set of drawers below the boiler cupboard but as far as I can see there’s nothing that looks like a magnetic filter on any of the...

Would that not mean we would have really hot water and the radiators would be cooler? Whereas we have problems with both heating and hot water. Trying to riddle this through and feeling a bit stumped at the moment. Really appreciate your ongoing input!

Thanks so much. The system definitely does allow us to heat water and have heating on at the same time as we’ve had it running that way for 2 years and never had a problem. Always had loads of hot water and radiators all heated up with no issues. It’s possible we haven’t balanced the system...

Sorry, this is driving us mad now. Balanced the system last night. When the heating was on on its own for balancing, all seemed to be working fine. This morning, hot water and heating on at the same time - some radiators lukewarm and water isn’t very hot. It’s almost like the system can’t cope...

The recirculation pump seems to be working ok… not sure how to change the speed though. There’s a little pin timer attached to it but not sure where the speed setting is.

Ok, thanks have just tried this. Individually each radiator heats up fine when all the others are turned off. We bled the radiators, turned them all back on and the radiators on the top floor seem fine, radiators in middle floor are warmish but not roasting… any ideas?

Thanks! Is there an easy way for us to test whether the circulation pump is working? Would the circulation pump stop the hot water from working as well? How might we get rid of air in the pipework? We’ve already bled the radiators… anything else we should be trying?

Hi, new here so I’m hoping I’ve posted this in the correct forum. Would really appreciate some help with a central heating issue. We’ve had 3 plumbers out and no one has been able to diagnose or fix the problem. Hoping some experts here might be able to help! The issue - over the last 4 weeks...

Hi, new here so I’m hoping I’ve posted this in the correct forum. Would really appreciate some help with a central heating issue. We’ve had 3 plumbers out and no one has been able to diagnose or fix the problem. Hoping some experts here might be able to help! The issue - over the last 4 weeks...