Last seen: Oct 12, 2025
@jamespa ours (without a noise issue) was installed in September. I too recall reading the firmware is in a hardware (not-remote programmable) chip an...
@cathoderay digging into further dirty details are your fully open trvs suitable for bidirectional use or are they your secondary constriction?
@samiebon1 When adjusting lockshields its worth bearing in mind that some have a tiny range over which the adjustment makes any difference. S...
@samiebon1 our DHW gets to 48C with a heating temp of ~55C within ~ 45mins but it’s not usually empty (residual ~35 in bottom third of tank). The la...
@cathoderay &@bobtskutter This is getting interesting! I was convinced from much earlier posts that the early hypothesis of the PHE being inad...
@transparent to give context to my results of slow switch on current. Our Vaillant is inverter controlled, the system is open and the overall system i...
You have every right to have your home left in a reasonable state. Everyone’s definition of reasonable will vary but don’t let the b*st*rds you down....
nevertheless it had just finished a de-icing cycle and was in the following 3.2kW power draw peak, which is the same amplitude that it generated a few...
I’ve ‘invested’ a whole £3.99 for an audio spectrum analyser app. I’ve not captured all the apps features but this was our 7kW Vaillant running at 3.2...
@dwynwen sadly you need to give them (yet another) chance to fix the installation or you will be prevented from from any further redress. Do you hav...
@davidmo6 When we had the gas boiler we used to set the house to 15C and it took a day to warm up on the last day of our holiday. Now with the heat pu...
At last caught the ashp on its peak after de-icing. Drawing 3.2kW electrical power (about max seen) for a few minutes, the noise level was normal, no...
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I really appreciate you doing this! Solis initially pro...
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing
Great, you did the right thing! I am not clear if you r...
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RE: Say hello and introduce yourself
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Yes, I did mean graduates, but not just in physics. Q...
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@editor We defiantly need to come up with a way a custo...
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RE: Radiator sizing for heat pump installation by British Gas - are these correct?
You are spot on. I don't know TBH as I don't have ...
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RE: What crazy nonsense are inverter limits and why are they imposed?
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By Transparent , 1 day ago
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Which tells us something (including possibly everything...
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RE: Specifying batteries, pv solar etc using ChatGPT
I have been positively surprised when I asked it to spe...
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