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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 22, 2025
Profile Activity
Topics: 17 / Replies: 2698
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

Absolutely. 37@15 makes no sense whatever. The whole point of WC is to adjust the flow temperature so that the output of the radiators (which depend...

6 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

@alfapat 2021-2022 make no sense, the difference is so small that its barely bothering with weather compensation at all. I would set 2022 to 30 ...

6 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Apologies but I don't understand this. The demand is determined by the house which in turn determines the radiator sizing. You can't prevent cycling...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

That is the one to be bypassed in the first instance. You may also be able to remove the pump on flow or return, but I strongly suggest to proceed on...

6 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Mitsubishi ASHP - Circulating pump noise?

[/quote] Sorry to hear about what are almost certainly teething troubles, the Mitsubishi is well renowned so its unlikely that there is anything maj...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Firstly I think you accidentally pasted a picture not the actual excel Your comment is certainly correct. Most heat pumps have a modulation ratio ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New to world of ASHPs: Ideal Logic Air Monobloc heat pump 8kW questions

May I ask what your previous heating was, you said it was all electric, what type? I wouldn't despair, most of the heat goes through the roof not th...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Water tank location – where can I put it?

OK Morning and evening are far enough apart you can reheat in between, so we can consider one alone. 2 * 10 min showers consume the following @2...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Agree. It took me a while to work out but once it clicked it is definitely a better approach than the 'four point' approach. I think the 'third dim...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

Difficult to say as I was still in the process of adjusting my WC settings at the time I made the change. What I know is that the house temperature i...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

They are confusing at first if you are used to the 4 point interface, but actually its a better system IMHO. Vaillant has the same and from what you ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New to world of ASHPs: Ideal Logic Air Monobloc heat pump 8kW questions

@tinkestral-6 Thanks for the picture. Is there a model number or any other ID on the rear?

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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