Last seen: Jan 6, 2026
Don't mistake designed flow rates (which fixed speed pumps need to be set to to obtain maximum input when required) with variable flow rates that heat...
The Grant engineer has given you the correct information. If you let the water stop completely each time the compressor stops, consider what happens...
VRG131 is just a popular valve and can be adapted to any size using fittings. The pump can be chosen based on the pressure loss. What will be in con...
Exactly what I said in the video, and that is one of the worst AAVs in the market, so they can expect leaks in the future.
Having joined the Aira owners group on Facebook (for some heat pump research I am part of), they have completely locked the system down. I’m also susp...
Oh I do a good pirate accent alright... 🏴☠️😂👍 I'm sorry i've disspaointed on the previous occasion... B...
Click the link below (PDF download) and have a look at this diagram.../p> It shows how the system should have been wired and very basic settings. Yo...
So, you actually have two pumps, not one. @old_scientist is going in the right direction with you. If you run out of ideas I'm here in the background....
Not stepping on my toes at all. I've just done 6 weeks of research at Energy House 1 on Samsungs, so I could have asked for the FSV's but wanted to se...
Always need the full picture before making a descision... Otherwise we are just guessing! 😎👍
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Latest Posts
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RE: Recommended home battery inverters + regulatory matters - help requested
Worth considering something like this? &nbs...
By Batpred , 56 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
I agree and that’s why I don’t believe a lot o...
By SimonF , 2 hours ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
I doubt that matters, ToU tariffs are for the benefit o...
By JamesPa , 3 hours ago
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RE: Free Ecoheat Heat Pump Install
@deltona Yes older houses are problematic like that, bu...
By bontwoody , 5 hours ago
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RE: Radiator sizing sanity check
As I mentioned early on the cost of supplying and fitti...
By JamesPa , 8 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
I hadn't spotted that there were two pumps in the UFH (...
By JamesPa , 10 hours ago
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RE: Setback savings - fact or fiction?
Never assume it makes an ass of u and me! You need the...
By JamesPa , 10 hours ago
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RE: New Mitsubishi Ecodan 11.2kW installation - L9 errors and maybe more
Before I answer your specific questions just one more t...
By JamesPa , 10 hours ago
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RE: Electricity price predictions
Great point, one of the key ones in my chat with Octopu...
By Batpred , 21 hours ago
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RE: Running from backup generaor in powercut?
Definitely and professionals sometimes miss it. I had...
By Batpred , 21 hours ago
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RE: New Fogstar 15.5kWh upright solution
Let me point out that there are many Chinese suppliers ...
By Transparent , 1 day ago
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RE: Weather compensation- why you should use it
@majordennisbloodnok — The Two Ronnies Mastermind sketc...
By cathodeRay , 1 day ago
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Just realised that this image of the cylinder cupboard ...
By Sheriff Fatman , 1 day ago
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RE: Rodents! A word of warning for heat pump owners
Two thoughts: 1: Let's ask @david-s if Primary Pro in...
By Transparent , 1 day ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
In the diagram below, I describe my understanding of th...
By Batpred , 1 day ago
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I need to have a look out for it. I know IBM feeds some...
By Batpred , 1 day ago
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RE: Daikin Atherma ASHP Cycling 6 Times an Hour?
Thanks for your reply. Yes that's a good idea to try a...
By John Marshall , 2 days ago
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RE: Hot water heating in parallel with space heating
An external heat exchanger would need a pump which woul...
By bontwoody , 2 days ago
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RE: Gen 6 Samsung ASHP losing 20C of DHW in 60 min directly after generation
@ecobaker Thanks for this. I've had it in both slots. ...
By andbeck , 2 days ago


