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Last seen: Aug 9, 2026
Peak Energy Products most recent accounts (to June 2024) make interesting reading. Im not an expert by any means, but their assets are almost entirel...
To answer this properly you need a heat loss calculation. Then you can work out how much flow each radiator needs which will tell you what diameter p...
Definitely please! Is that a plate heat exchanger above the bucket. Can you tell whether it is connected to the DHW or to the space hea...
Firstly welcome to the forum. From the preceding posts on this thread you may have gathered that this unit appears not to 'expose' the key parameter...
On reflection your description (which I understood) made more sense than the diagram (which I don't). The diagram seems to have two contacts/switc...
Thanks, equally useless uinfortunately It appears that the controls for this heat pump are different to almost all others on the market and, from wh...
Hmm. There maybe some more controls on the control panel itself. Manual (of sorts) here The manual is very light indeed on detail, they either didn...
Thanks for the screenshot. Thats pretty useless (no criticism of you!) because it doesnt tell us the flow temperatures (ie the temperature of the hot...
OK. I think your system, which seems well designed, is actually pretty simple. In outline: Firstly adjust the rad circuit Run UFH on thermostat...
To me that makes sense. Bond the inverter neutral to the local earth arrangement is when islanded, don't when its not islanded. That way you don't d...
I suspect these are electric mats not wet so totally separate from the rest of the system. This should be obvious by the presence eg of a switch. Th...
That doesnt seem quite the same description as the one here from the IET which says "A TN-S system, shown in fig 1, has the neutral of the source of...
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RE: Electricity price predictions
My background is systems so I am using the systems defi...
By EtchedPixels , 36 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi, can you remind me how to enable 3kW feed in when gr...
By dansus , 38 minutes ago
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Further, there was a long discussion of the benefits of...
By Old_Scientist , 4 hours ago
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I appreciate that EnergyPlus is Valliant's first attemp...
By L8Again , 4 hours ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Unfortunately the answer is Yes you will need a new FTC...
By F1p , 19 hours ago
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RE: PV and battery long payback - sense check query
So if it helps I was recently quoted about 8 grand for ...
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RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 1 day ago
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RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 2 days ago
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RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 3 days ago
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RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 3 days ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
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