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Last seen: Jul 30, 2026
@transparent it’s been a long journey and what started as an icing issue led to many more issues. What looked like a state of the art full of mystery ...
@ant87 thanks for that, although it’s stressful in a way it’s interesting learning about my system and all you guys have been incredible 👍
@ant87 Thats the pump there running on speed 3
@ant87 it’s running with no antifreeze at the min since they are still debating what to do. It has two wilo 40w pumps one for primary that they moved ...
@ant87 hi guys I found these docs in a folder and not sure what they mean in direct relation to where I should be. how do I read these in a meaning...
@ant87 I have asked a couple of heat pump suppliers, both with a tech department what components I need to convert my 28mm pipes to 35mm and they have...
@transparent that’s true navitron no longer exists and the forum gone as well. It’s been a great system and I shall keep looking for another to eithe...
@transparent my navitron 20 tube system was installed 25 years ago by me and it supplies me with most of my water during the year. In the winter perha...
@ant87 thanks for that.
@ant87 I don’t have the heat loss figures or the design figures for the system, I asked several times but no reply
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Latest Posts
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RE: Heat Geek installations: share your experiences
@l8again fwiw my experience is similar and over a seaso...
By JamesPa , 19 minutes ago
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RE: Renewables & Heat Pumps in the News
@temperature_gradient There is a good summary of the...
By Rob of York , 11 hours ago
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RE: DIY powerflushing tutorial
The problem is that while inhibitors inhibit metal corr...
By Pirate Rich , 14 hours ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
@etchedpixels thank you for the advice paid cash all...
By Chilli304 , 22 hours ago
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RE: Why don't people choose heat pumps?
Savings you need to consider versus the investment valu...
By EtchedPixels , 1 day ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders An interesting conversation to have ...
By Rob of York , 2 days ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes, in my case, the ISP hub is permanently there, they...
By Batpred , 2 days ago
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RE: Electricity price predictions
@rob-of-york sounds like a term that Heidegger would...
By Papahuhu , 2 days ago
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RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 2 days ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 2 days ago
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RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 3 days ago
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I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 3 days ago
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RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 4 days ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 5 days 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 , 6 days ago



