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Last seen: Jan 7, 2026
@jamespa thanks again. It makes sense. Before the new bigger LLH, I had a 35mm piped distribution header. There was no blending there, only when I put...
Hi Gary, Yes, I think I’m getting the hang of it and whats gone on this winter. And yes, during the cold snap previously there was not enough en...
That’s a really thoughtful reply. Thank you. It’s a great help. lots to ponder. My view has been consistently that i don’t need much more than 35 t...
I mean, if I put in 45 on fixed flow as the flow temp, open all Zones and leave it, it will never get there, spends hours ( I’m mainly UFH in screed)...
@jamespa What controls the pumps Wireless stats control the rad and 3rd party stats the UFH, all of them calling for heat all the time Are you ...
@jamespa At the minute I have all stats turned to max and running weather compensation. Its running 24/7. all the rads are fully open, nothing is s...
@gary yeah, I have one wireless stat doing the rads, and then 3rd party ones which i just have turned to max now as they are a total pain in the ass.
@jamespa House is 258m2, recently renovated. done a good as job as possible with insulation: stone build but most external walls old and new have ...
Just to update here on the above. My installers came to hopeful sort my heat pump system out. They swapped a piped header for a bigger low loss heade...
@michaelsimpsonuk hi, I’m still aware that this isn’t your heating system: it’s your landlords. I’d tell them your concerns or move out.
That’s quite expensive, but, to put into context. My heat loss is about 9 to 10kw at 0 degrees. And with my high thermal mass, I can only run my house...
On that point, I’d agree. I’ve a 260m2 retro fit. Parts of it are 18th century cottage. I’ve got 11.2 kw. It’s not got lots of spare capacity, but see...
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Latest Posts
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@l8again I had one. The chap whom did mine seemed to kn...
By Papahuhu , 51 minutes ago
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RE: Samsung heat pump - data cable issue
Hi Old_Scientist. Samsung are saying tne use of an una...
By Steveimpey , 59 minutes ago
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RE: Electricity price predictions
@papahuhu Groucho Marx had something to say about no...
By Toodles , 2 hours ago
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Given the way radiation and convection effects don't wo...
By Majordennisbloodnok , 4 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
By swwils , 7 hours ago
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RE: Vaillant Arotherm Pro vs new Plus
One of the test modes in the installer menu forces it t...
By JamesPa , 20 hours ago
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RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 23 hours ago
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RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
By Mars , 24 hours ago
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Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
By Mars , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
It depends on how you configure it via the app. The ma...
By JamesPa , 1 day ago
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RE: Renewables & Heat Pumps in the News
Be interesting if this results in any wider changes to ...
By Jeff , 2 days ago



