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Last seen: May 15, 2026
I agree with most of what @bobflux said except possibly this: Unless your design temp is sub -5 I struggle to believe you need 18kW if this newbu...
Totally agree. However the manufacturers know that few people will sue, and the UK electorate has predominantly voted for light touch regulation - o...
Does it disappear when the heat pump is off? What about when the fan and water pump on the heat pump are running, but not the compressor(which will h...
Balancing can be a long process (it can also be very quick especially if the settings are almost right) and its possible to mess things up if you turn...
Up to a point yes. However every heat pump (and every boiler) can only turn down so far, ie it has a minimum output (which, in the case of a heat pum...
By opening up the lockshield valve on the radiator in question, or closing down a bit lockshield valves on other radiators (the lockshield valve, ofte...
Is that a single pair only? If so it may be part if the problem. How long? What flow rate do you have ( your heat pump will tell you) and what dt f...
Should be interesting. Do watch to see if the UFH gets too hot, although if it does then thats a positive outcome!
Sorry to hear that but I'm not surprised TBH. Stratification is effective in a normal unvented tank where the hot water is drawn off at the top. In ...
I wonder if heat pump manufacturers will tone these siting restrictions down. I suspect so. They aren't, so far as I have been able to establish, ac...
Re (2) I misinterpreted your earlier post. The actual requirement is here "(ii)the system providing space heating or water heating, or both, of ...
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RE: Setback savings - fact or fiction?
Great. I will try to zoom in to work out the deltas be...
By JamesPa , 9 hours ago
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RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with an app. But you can g...
By JamesPa , 11 hours ago
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I was directed to this app for my growatt system and no...
By David999 , 11 hours ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 12 hours ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 15 hours ago
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I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 16 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
@chainreaction Agree with @broadsman , it seems many ...
By Batpred , 17 hours ago
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 17 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 23 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 1 day ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 2 days ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 2 days ago
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 2 days ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 2 days ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 2 days ago



