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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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Degrees of Separation
Latest Posts
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RE: Why are ASHP installs so expensive?
Looking at it another way, do we think heat pump instal...
By scrchngwsl , 1 hour ago
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@editor Aargh - Trustpilot. On my journey, Ì contacte...
By L8Again , 5 hours ago
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 15 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Posted by: @ian-s Could always use the money saved o...
By Rob of York , 19 hours ago
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Depends on what controls the pump! Thats the whole poi...
By JamesPa , 1 day ago
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The positive reviews keep coming in for Britain's Heat ...
By Mars , 2 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
I have one of these fitted which also allows you to reg...
By Old_Scientist , 2 days ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 3 days ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 3 days ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 3 days ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 3 days ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 4 days ago
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RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 4 days ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 4 days ago
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