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JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 1, 2025
Topics: 17 / Replies: 2746
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RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

Can I just say well done!, (a) for persuading BG to come out and do what (it seems) so many need done to their systems and (b) for collecting the data...

8 months ago
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RE: Totally bewildered with my ECO4 heat pump installation

Yes, without it the MyVaillant app wont work. It sends the info from the sensocomfort/the control unit/ (which is the box bottom right in my photo) to...

8 months ago
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RE: Totally bewildered with my ECO4 heat pump installation

Hmm. Sounds like a load of baloney TBH. One rad without - yes, better still at least 8-10 without and the radiators properly balanced to give the ri...

8 months ago
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RE: R290 install location and future of R32

One of the problems appears to be that they don't actually appear to be rules (in the sense of something created by some authority - see my earlier po...

8 months ago
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RE: Hitachi Yutaki M efficient operation

Yes. Its the same as turning down the lockshield on a radiator

8 months ago
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RE: Hitachi Yutaki M efficient operation

Yes, almost certainly. I dont know if the HP can control the buffer, some can. If the buffer has two temperature sensors at different heights then ...

8 months ago
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RE: Totally bewildered with my ECO4 heat pump installation

Which is one reason why fossil fuels are successful. A lead acid battery as used in a car might store 1kWh in about 8l, one 80th of the volumetric en...

8 months ago
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RE: R290 install location and future of R32

I did once look for actual regulations governing this and couldn't find any. What I did find was a couple of sites which said (fairly convincingly) t...

8 months ago
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