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Last seen: Nov 11, 2025
The problem is that even if a Manufacturer comes to site it can be a mixed bag on who you get. Some like Vaillant will blame the installer before t...
@toodles I know Greenwave, they are a good team. So don't diss the installer so quickly, sounds like a manufacture fault, or a setup issue.
Can you give me picture of the controller please? There has been a recent upgrade to the controller, but it won't work with the older units. You n...
And yes this was a Grant unit.
@allyfish ripped loads out and made open loop systems, heres just the left overs from one i did last year.
@grahamf happy to help, ive had 4 heat pumps here to test. Currently im running an old Samsung unit, fully open loop, 1 pump, my own automated weath...
@crimson it all depends, on how many rads/ufh are fully open (no actuators or TRVs, a volumiser won't hurt the system (i have 420l worth), that i can ...
@crimson is it this heat pump
My circulation pump cycles, when the compressor is off, heating is still active on the controller (but all is up to temp), its testing the water (lite...
Should have all you radiators and control the load with the heat pump controller, already sound like you're microzoing to try and co...
@crimson if its the Aerona 3, check that you have the latest software, GRANT should be able to help you with this, i know they had a few updates with...
@crimson have changed the pump speed on the Aerona itself, think default is speed 3, you want to try and get both pumps running the same speed(flow ra...
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Latest Posts
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RE: Jokes and fun posts about heat pumps and renewables
@transparent I’ve heard that that is why American cars ...
By Toodles , 3 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Have either quote provided room by room heat loss calcu...
By Old_Scientist , 17 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@old_scientist if you are going DIY then you may wan...
By Papahuhu , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
After a short while that was followed by the 'power war...
By JamesPa , 2 days ago
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RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
By bobflux , 2 days ago
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RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
@editor I went through HG website, so should be ok for ...
By sttpd1917 , 3 days ago
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Who did the Freedom Heat Pump cloud server and what did...
By Mars , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
Reading between the lines of what octopus are doing wit...
By JamesPa , 3 days ago
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RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
By EtchedPixels , 3 days ago
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I hope it goes ok, Hon can be hard to set up IF the sof...
By Graham Hendra , 3 days ago
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@clockworks Hi, So there is a big difference between st...
By ASHP-BOBBA , 3 days ago
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@editor wellvery comprehensive answer. I will get all i...
By Keithb , 3 days ago
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
all good advice I will follow this up
By PaulC , 3 days ago
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
By bobflux , 4 days ago



