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Last seen: Jun 27, 2026
@jamespa i seem to remember someone when i was digging for info on rad balancing saying they were having trouble as the Vaillant seems to want to cont...
@jamespa this is a graph with both flow and return on. seems to be keeping a 2.5c gap between them.
@jamespa ive just pulled the flow temp from the Havenwise data, as im at work so cant spin up Home Assistant. its only a few days and the first few da...
@jamespa there is data for hrs and on/off cycles. But since switching to Havenwise that Vaillant app status page doesn't seem to be updating. Until ar...
I might try a wipe and re install of Home Assistant to see if I can get the power info to show. Was going to put it on a RPI 3B I have but it won't wo...
ok now i had some cold days i think i can safely say i have an issue with either the heat pump or the install. im getting as low as 2.4 scop for hea...
facebook group.
@agentgeorge it has got 2, the other bleed screw is the other end.
@agentgeorge this is a pic of the bleed valve that’s snapped. It should have a square bleed pin in the centre of that sort of nut insert.
@agentgeorge this is on a 30 year old rad at a guess. They’re like an odd little insert that is about 10-15mm in size with the bleed screw in the cent...
If the Vaillant is a 7kw unit I’d avoid. Quiet outside noisy inside when it’s going full on. They have a problem with compressor vibration being trans...
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Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 1 hour ago
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@kilgorexv, I actually think doing your own calculation...
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
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