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Last seen: Nov 3, 2026
Check on the heat pump controller. It will show whether the heat pump thinks its in DHW or space heating mode. If it thinks its in the desired mode ...
What does the controller show - does it show that its in heating mode or does it show its in dhw mode? It could just be a stuck valve/faulty conectio...
Understood, its your house and your heat pump so take all the time you need. I will respond to queries but otherwise wont post again until I hear fro...
OK noted, although I dont think any of the charts posted show this. This one definitely seems like human intervention not defrost because of when the...
Ah that makes sense. I think 'off' is actually 'setback' rather than truly off, which is clearly what has happened, a 3C setback in the target flow t...
@transparent All I can say is that I admire your optimism!
No, the fact that flow temperature reduces by ~3-4 C during nighttime hours (I havent yet worked out the exact hours) regardless of whether defrosting...
Nope, that doesn't work either. Apparently (according to the politicians and their supporters I spoke to on our local high street) climate change isn...
Sorry but I dont know. There must be something causing this timing so, if it matters, which I think it does, it needs to be found. If you think it d...
Really, bear in mind their policies. I think they will not care about evidence because it supports the ideology. So far as I can tell from a long di...
Something is causing this to occur and it must presumably be a setting. Somehow you will need to find it if its not to cause downstream problems &n...
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Degrees of Separation
Latest Posts
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There's a company called Xlinks who are proposing just ...
By Transparent , 30 minutes ago
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RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 hours ago
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RE: Octopussy cosy 6 experience
@paultheheating Unless things have changed more recentl...
By Toodles , 18 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Sorry I thought and meant to put 'may' in, but the diff...
By JamesPa , 20 hours ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 22 hours ago
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RE: Adding data centre electricity costs to domestic energy bills?
Potentially the largest data centre hub in Europe and t...
By Jeff , 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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RE: Say hello and introduce yourself
Perhaps it is time for an update on ‘our’ project. We h...
By Toodles , 4 days ago
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RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 6 days ago
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