Last seen: Nov 2, 2025
@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...
Latest Posts
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
@jamespa I did pore over all the documentation I have, ...
By MairiA , 7 seconds ago
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RE: My DIY Heat Pump installation
Thanks for posting, @polar-bear. Do you have any stat...
By Majordennisbloodnok , 3 minutes ago
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RE: Oil Boiler & Heat Pump Hybrid System
Our current tenant pays us monthly rent, the purchase o...
By paultheheating , 36 minutes ago
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RE: UFH downstairs and radiators upstairs balancing question
@davidnolan22 First I must declare I know naff-all abou...
By Toodles , 58 minutes ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
You are very probably right, but it's still just possib...
By JamesPa , 5 hours ago
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RE: One flow valve appears to be duff
You might want to consider the following common faults:...
By IaAck , 6 hours ago
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
We are on the Intelligent Octopus Go tariff. We instal...
By GrahamF , 8 hours ago
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RE: New build installation query
@paullacey While the others wait for more info do you m...
By ASHP-BOBBA , 17 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I have only just spotted this post, sorry I missed it e...
By JamesPa , 22 hours ago
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RE: British Gas Heat Pump Installation Complaint
@bgno, the other consideration for legionella cycles ar...
By Mars , 1 day ago
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RE: Electricity price predictions
Remember that almost all submissions to Government Publ...
By Transparent , 1 day ago
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@old_scientist I dont monitor the tank temperature but ...
By bontwoody , 1 day ago
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RE: Say hello and introduce yourself
Hello @paultheheating - I'm a rural Moderator! What's...
By Transparent , 1 day ago
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RE: What valves to replace radbots?
Yes. Radbots just replace TRV heads. TRV heads push t...
By JamesPa , 1 day ago
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RE: Who has a V2G EV installation
Im looking at Anderson or Simpson and Partners, somethi...
By AgentGeorge , 1 day ago
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RE: When will fusion be producing energy?
I am thinking of the case where AI was able to distingu...
By Batpred , 2 days ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
Very definitely. I think the market has changed a bit...
By JamesPa , 2 days ago
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RE: Buying large amp bidirectional RCD and RCBO
The following diagram is taken from the Meter Operator'...
By Transparent , 2 days ago
