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Last seen: Oct 18, 2026
@matban If you have to concede and I am not saying you should but for less fuss if thats what you would like? If you do, reverse the offer, tell them ...
@terry1812 James is correct, the ACH are often the largest factor and can change the heat loss by a 1/3. We design often based on 1, it takes experi...
Just to add to the F8 non existing code, in the book is all of the blinking codes and could be worth double checking it not trying to display a P8 whi...
@editor Pages 59-74 for all Error codes and Request codes in the attached link, F8 is not showing as I think it is a shadow code related to P9. We hav...
@hjd F8 is uncommon and could indicate incorrect heat exchange due to a lack of flow or a faulty sensor, if you think this is just happening when it g...
@davidnolan22 I genuinely do not know the answer, unless your home is 500m2 I doubt you need that many pumps and there would still be a better way to ...
@jamespa Oh, I know some that are good and some not so. I am excited about this association and I am hoping it will work, it would be my pleasure to...
@jamespa We repair or redesign around 1 or 2 a month, we have just started 2 this week, the 2 I mention are brand new nearly finished self builds due ...
@davidnolan22 Oh my, thats a lot of pumps and is certainly wrong. You should change the primaries, remove the buffer and insist on a better design.
@editor I would be gobsmacked if you found a system performing at 1 or less, that would take some messing up. I went on to our systems today just to c...
@editor Good point, I suppose establish that 1st, work out if you have either or both and then go from there?
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Degrees of Separation
Latest Posts
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RE: How will removing the standing charge on gas bills benefit heat pumps?
I'm not sure it makes much of a difference to heat-pump...
By Temperature_Gradient , 5 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 5 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 , 7 hours ago
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RE: New Build 3 Phase or 1Phase
We are on three phase power because it's an enormous li...
By EtchedPixels , 7 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 , 16 hours 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 , 23 hours 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 , 2 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 , 2 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 , 2 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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