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Last seen: Mar 3, 2025
We have 4 on ours. 1 on flow, 1 on return (due to long outdoors pipe run they didn’t oversize…) central heating UFH
We set out pumps to be controlled by the ASHP rather than the stats and had the same concerns as you. Eg if on WC would the pumps just run 24/7? ...
What are you trying to achieve? My understanding is you’re best not interfering with the HPs controls. we’ve just changed ours and ripped out...
@derek-m Thanks for the info. And yes understood. What I’ve observered though, which was not expected, is that if you have the official Mitsi r...
Something I have noticed since installing the official Ecodan remote controller is that when in WC mode, it will still turn the HP off if the target r...
Yes I’m unsure of the room adapt mode. Mitsubishi seem to push it as the best option but who knows. Agreed it may ramp up quite a bit from cold. Wi...
Normally UFH has its own stats and that calls the HP for heat. So it doesn’t work in reverse, turning up the heating in the Ecodan won’t force the UFH...
That’s our winter load so very little PV at that time. in the summer we only pull about 15kWh from the grid without batteries due to evening mea...
Yes to be honest when it was 11p/11p that was our main reason for wanting a Powerwall. Running the ASHP at 11p wouod be amazing Now it’s 26p the...
Just posted a W on this. If using Weather comp, what to do overnight? serms a clash between it being colder outdoors, so flow temp goes up. But ...
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RE: Who's your electricity provider and what's your tariff?
@old_scientist Have you ran the numbers as to which ...
By Papahuhu , 1 hour ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 3 hours ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 5 hours ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 5 hours ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 6 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 22 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 22 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 2 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 4 days ago


