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JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Dec 26, 2025
Topics: 19 / Replies: 3724
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

@kevh it's worth remembering that many lsvs only actually control the flow in the last half or quarter turn, so they may seem 'completely turned down'...

2 days ago
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RE: Never mind the OAT…

Which is one reason why I now talk about the economic security argument for renewables. There are a group of people, who may not environmentally tune...

2 days ago
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RE: Setback savings - fact or fiction?

I completely agree, just sounding a note of caution! I cant think of a reason why it would matter but, that said, when I did something similar (I...

2 days ago
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RE: Setback savings - fact or fiction?

Somehow Google matches images, but I suspect the techniques are quite sophisticated. Building on @majordennisbloodnok suggestion could it be as simp...

2 days ago
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RE: Never mind the OAT…

I think you are right. However in this case, in the UK, the money argument and the environmental argument are in perfect alignment in the medium/long...

2 days ago
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RE: Never mind the OAT…

People apparently, at least according to the polls, say it is if asked, but dont act that way. Im increasingly coming to the conclusion that energy...

3 days ago
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RE: Speedcomfort radiator fans

Thats true, but having tried (and succeeded) in constructing a DiY version with computer fans, I can still appreciate the good design of the speedcomf...

3 days ago
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RE: Never mind the OAT…

Didn't with my boiler, too much temperature variation with both time and place. However I do grant that, had it featured weather compensation and l...

3 days ago
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade

Depends on OAT. Mine cycles at OAT>10 and of course has periodic defrosts at OAT<4. Steady operation typically occurs between 4 and 10. This ...

3 days ago
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RE: Setback savings - fact or fiction?

Well of course I agree. There is a small saving in energy that you need to deliver to the house as a result of setback, which reduces the average hou...

3 days ago
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RE: Setback savings - fact or fiction?

OK but the lower average IAT is precisely why some saving might be expected. So the answer to the question you pose d is in theory yes.  

3 days ago
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade

@rhiannon Welcome to the forums and feel free to ask any questions. The best way to run almost any heat pump is 24x7 with any thermostat set to say ...

3 days ago
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