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Last seen: Aug 17, 2026
Difficult to comment. Given the choice I would design for 45 or less and wouldn't accept anyone who won't. I would reject without question anyone wa...
I agree with @toodles. By way of a direct answer to your question, so you have a good reason to reject them and look elsewhere. I adopted the appro...
It provides extra system volume which is useful for defrost but may well not be necessary. Have you any idea what volume of water you have in your se...
@anca1808 Just to give you some comfort and set expectations, my Vaillant heat pump is working out 13% cheaper than gas on a like for like basis, over...
Maintain the LWT by adjusting its heat output (if the required power is within its modulation capabilities) This is surely OK. Its adjusting...
Im sorry but I think you are getting confused. The statement above is either not correct or there is something wrong with your system that needs to b...
I cant remember what your WC curve showed, but it should follow that. This is only a few degrees change given that OAT doesnt vary that much Wit...
OK I found the original post about 4.88kW and I also agree with @editor above. Firstly It wont help to operate with the thermostat as opposed to on ...
Im sorry to hear about your troubles but its definitely good that the buffer and secondary pump has been removed. You are on the right path, keep the...
The Mitsubishi R29O pump has 2 compressors to achieve exactly that. Sofaik the only domestic one so far to do this
@anca1808 Lots of ideas above about what could be causing your issues. Nobody, including me, can be definitive because we don't have your system in...
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Latest Posts
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@Ian-S, I think @JamesPa’s latest comments are probably...
By Mars , 4 hours ago
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@jamespa, I think we agree on about 80% of this. Where ...
By Mars , 4 hours ago
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RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 10 hours ago
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I'm not sure why you would want to make it more difficu...
By JamesPa , 14 hours ago
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RE: Mitsubishi Ecodan FTC6 settings
I was just replying when i saw your edit drop in! 🙂 ...
By F1p , 15 hours ago
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RE: Wood burner with ASHP - direct air?
@lucia FWIW installed a woodburner some years ago. ...
By JamesPa , 17 hours ago
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RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 1 day ago
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RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 1 day ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 4 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 5 days ago
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RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 6 days ago
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