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Last seen: Nov 11, 2026
@papahuhu No smell, just the dirty brownish orange colouration. That was a particularly dirty sample I collected for the purposes of the photo, afte...
@toodles I don't bother saving anything for after the peak - e.g, the period from 7pm until 2am. The logic being, I am paid 29p for exporting it bef...
Thanks for the replies. System volume is around 180L. I have no idea if inhibitor was originally added. They added glycol which may have contained i...
Thanks both. That was my thought (hope) too, that the single old towel rail radiator was the culprit and that rust colouration naturally spreads ...
No - that's what G100-2 gives you. An 8kW inverter that's export limited to 3.68kW is 8kW without G100. An 8kW inverter that is *output* limited to 3....
We have large radiators as our emitters. Room temp is 20.0C, flow temp is around 33-35C at temperatures where we may see defrost cycles. From memory...
Further, there was a long discussion of the benefits of a volumiser to add system volume here: For reference, I have a relatively large system vo...
I think the principle is that both parties are better off - the supplier because they can receive extra payments for grid balancing (or whatever), and...
See here: which suggests 25-27L per kW for very low flow temps, such as with UFH. What is your heat loss, what is the output and minimum recomm...
The Octopus Saving Sessions are regional, and are defined by the electricity regions I believe (so a lot larger than the BSP's @transparent refers to ...
Interesting read from NESO on their Demand Flexibility Service (DFS), published this week: I think this is what is behind things like Octopus Sav...
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Degrees of Separation
Latest Posts
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Should I change my cylinder when changing from a gas boiler to a heat pump.
I have 178 L Gledhill unvented cylinder which was fitte...
By David , 2 hours ago
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Should I change my cylinder when changing from a gas boiler to a heat pump.
I have 178 L Gledhill unvented cylinder which was fitte...
By David , 2 hours ago
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 3 hours ago
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@batpred The Daikin temperature probe protrudes from th...
By Toodles , 7 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 9 hours ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
By EtchedPixels , 9 hours ago
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RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 9 hours ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 13 hours ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 14 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 17 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 2 days ago
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 2 days ago
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