Last seen: Nov 13, 2025
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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RE: Advice on internal circulation pump noise
Thanks @mikefl - I'll maybe have a look at the lock-shi...
By jtg , 11 minutes ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@andrewj Yeh, I am not sure. I assume though it is to a...
By HarrisonC , 29 minutes ago
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RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?
@toodles interesting suggestion, thanks. I will try to...
By GrahamF , 41 minutes ago
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RE: External pipework insulation
So I did find out that the insulation is Primary Pro an...
By jeegnesh , 3 hours ago
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RE: Who's your electricity provider and what's your tariff?
@jamespa Tax evasion is illegal - Tax Avoidance is an a...
By Toodles , 4 hours ago
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RE: Mitsubishi Ecodan Auto Adaption trial to stop cycling.
The interval you talk of, i think, will be 60min for an...
By F1p , 4 hours ago
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RE: Electricity price predictions
Does anyone have a current graphic, visual or breakdown...
By Mars , 8 hours ago
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Agree with @majordennisbloodnok on the setbacks. We hav...
By ChandyKris , 22 hours ago
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RE: New Fogstar 15.5kWh upright solution
It is a matter of luck. 2ith Fogstar "instructions", to...
By Batpred , 23 hours ago
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RE: Speedcomfort radiator fans
@deltona the way the links were added broke the page. A...
By Mars , 24 hours ago
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RE: Setback savings - fact or fiction?
I agree! Even more so if we get an answer! But the chal...
By cathodeRay , 1 day ago
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RE: Refrigerant R32, is it now banned in the EU from 1st Jan 2027 for monobloc ASHPs?
This has been delayed from what I believe to be this ye...
By dgclimatecontrol , 1 day ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
this is why I provided current flow temperatures in the...
By ksim , 1 day ago
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RE: Why Millions of UK Homes Struggle With Heat Pumps
There's many homes that would be quite a disruption for...
By dgclimatecontrol , 1 day ago
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RE: Ecodan unable to hit legionella target temp - what's the consensus?
@rhh2348 ...maybe this option is what you want? Alter...
By benson , 1 day ago
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RE: Free Ecoheat Heat Pump Install
@old_scientist This does make the unit smaller as the b...
By dgclimatecontrol , 1 day ago
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RE: Ecodan - Legionella Operation Time and Target Temperature
@old_scientist hiya mate, did you ever get to the botto...
By 9jwr9 , 2 days ago
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RE: Configuring third party dongle for Ecodan local control
@majordennisbloodnok I think the HPDHD diagnosis may be...
By Sheriff Fatman , 2 days ago
