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Last seen: Nov 7, 2024
@editor We have a 200 litre buffer between the hydraulic station and the radiator and underfloor heating circuits. The flow rate problem was due to un...
@editor Hello. Yes and no! The original problem was indeed a dead water pump, killed by contamination in the circuit and possibly the power cut during...
@william1066 Interesting. I don't see anything in the Vaillant manuals about this. I live in France and the EU version of the Vaillant DHW cylinder do...
Quick update for the sake of completeness. Still no full resolution to this problem. The installer replaced the pump, and the system would still not s...
I think you may be right, but I don’t think I’m going to win the argument to start replacing other components while the error is pointing to the pump....
Thanks for all the suggestions. Quick update - system still not working. The installer had cleared the pump error by replacing it with another pump ...
@alec-morrow That’s a completely fair point and I didn’t mean it as a slight. The installers have done a great job on the initial installation but by ...
Thanks for the suggestion. I'll add it to the list. The strange thing is that the unit no longer shows this error or any others. The app shows a Fl...
Quick update as the despair continues. Installer was there 5 hours today (I was not), and he has got the pump working, which he said was complet...
Thanks very much for such a quick reply. I'm not at the house but the installer is calling past this afternoon and I'll pass on the suggestions. If he...
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 2 hours 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 , 7 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 , 13 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 , 2 days 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 , 4 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 , 5 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



