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Last seen: Feb 7, 2026
@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...
@ianmk13 they're not trvs as such - they are a series of fittings into which you can fit flow-settable inserts. You then add a cap to stop people fidd...
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Latest Posts
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RE: New Build 3 Phase or 1Phase
Posted by: @e-a-west Ideally I would prefer a compl...
By Rob of York , 2 hours ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
I think it has an enormous impact on air/air users. The...
By EtchedPixels , 5 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 22 hours ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 23 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 2 days ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 2 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 2 days ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 3 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 3 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 3 days ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 3 days ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 3 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 3 days ago
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