Last seen: Nov 28, 2025
@jennyross a totally blocked filter will stop the heat pump from working (it would give a "flow fault") so I guess that wasn't happening. And it's goo...
@jennyross I like your descriptions, they're helpful. Sounds like metal deposits to me. It's not uncommon to find some in most systems tbh. Are you fi...
@jennyross it's helpful to have a list isn't it! Cleaning filters should be on that list - it's probably one of the most vital parts really (as well a...
@jennyross out of interest did you get an RHI grant? Was your existing system flushed and cleaned out originally? Because building regs Part L, page 5...
The Eddi has nothing to do with the black gunk - this is either caused by the system not being correctly flushed and/or the system not being tested an...
@clairelp I'd expect the primary pipes - which is the ones that connect your heat pump to to the volumiser, to that black and red Esbe valve, and to a...
Additional to all those good comments, especially the pipe clipping one, it might also be worth checking with the installer what the velocity in the n...
@editor my copy arrived at the weekend - I haven't read it back to back yet but I have skimmed through each page. Like you say it's an ideal grounding...
@elton and here's a link
@editor just ordered my copy.... we'll probably recommend it to our local sustainability groups. Until "low temperature heating system design" is full...
@editor I'll defer to Brendon/Heatcol's encylopedic knowledge here when and if he responds in terms of how many compressor starts per hr is too many.....
@tomasmcguinness a thermal store can help to reduce cycling / increase utilisation. Using dual stats top and bottom is helpful - appliance comes on on...
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This is what I answered, I really have no hope: "......
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