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Last seen: Jan 16, 2026
if you have witnessed a refrigerant leak then the system will need to be thoroughly checked. The joints are flared and should seat perfectly. If the...
ah that is likely. I’ll be in touch. Been laid up with a broken back.
The low loss header (LLH) is typically used to ensure flow rates and reduce call outs due to restrictive conditions in retro fit setups. whilst they...
@hydros yes, it’s because you aren’t losing enough heat from the water return. You should be able to see the temps on the controller. Most are set ...
@hydros general rule is the bigger the emitter the lower the temp can be. Also, lowering the temp will allow you to run the unit longer which is gene...
@hydros it should do but it will depend on system hydraulic resistance. Can’t hurt to try it id definitely be looking to alter the comp curve too...
@hydros Thats going to cause problems for sure. I would remove it completely. Easy enough to do, just get a couple of 22mm compression end caps and ...
@editor Ah yes, my bad, should of tagged @hydros
Where is the auto bypass installed in the system? Is it close to the ASHP end of the circuit as implied by the diagram?
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay I started to record oil usage per month on ...
By ian33a , 41 minutes ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 4 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 9 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 3 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 4 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago


