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Last seen: Jun 27, 2025
They will be steel, zinc plated then powder coated. The powder coat will be polyester rather than epoxy, for better UV stability.
Yea, you can do it by measuring the temps and pressures at certain points of the system. Then you calculate what the correct values would be for the f...
it’s very difficult to measure the charge, it is weighed in when filled at the factory. And there aren’t anywhere near enough f gas qualified technici...
@heacol is the man…. But he’s very busy.
Agreed, going direct would bring a benefit on efficiency. Can the ecodan drive a pwm primary pump? I haven’t checked the wiring diagrams .
Cycling looks fine to me, not too short. It’s bubbling along at 6.5kW ish, all night. Heat loss is very good for something that’s 400 square meters. W...
Ok, so the primary pump is not pwm controlled so the heat pump isn’t able to modulate it’s flow. Not the end of the world but certainly not the most e...
How many cables go to this pump? It will either be one, or two. With the ecodan controller located in the airing cupboard, your system is installed ...
Is the controller in the hallway or in the cylinder cupboard? and I’m asking for photos so I can map out the plumbing layout…. It saves me asking yo...
Please provide some photos of these items so we can identify versions etc…. please also photograph the unvented cylinder and associated pipework
OK, so you are paying 34p/kWh - good... Then my above maths adds up. We just need to get these settings tweaked so that the weather compensation is ...
Please give us more details, are you currently on a TOU tariff? If you’re paying 48p/kWh then that would suggest so. In which case there are some op...
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Degrees of Separation
Latest Posts
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RE: Electricity price predictions
I wasnt sure where to post An interesting meeting ...
By Jeff , 1 hour ago
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RE: Why don't people choose heat pumps?
Again, spot on. The problem is that we in the UK have d...
By cathodeRay , 1 hour ago
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RE: Adding data centre electricity costs to domestic energy bills?
I should say my points are simply raised to test the fo...
By Jeff , 2 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Agree with everything else. Personally I think the as...
By JamesPa , 9 hours ago
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There's a company called Xlinks who are proposing just ...
By Transparent , 11 hours ago
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RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 12 hours ago
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RE: Octopussy cosy 6 experience
@paultheheating Unless things have changed more recentl...
By Toodles , 1 day ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 2 days ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 2 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 2 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@etchedpixels Agreed, just a thought for others. I am...
By Watcher , 3 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 4 days ago
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Coming back on subject... A shortened version of the ...
By Transparent , 4 days ago
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