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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 14, 2025
Profile Activity
Topics: 17 / Replies: 2848
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RE: Moving to single zone

Can you confirm the implication that you have two zone valves and a diverter valve (three in total) and are you sure both hive and neomits stats are c...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Moving to single zone

Sorry Im getting mixed up whose house is getting too hot and which heat pump they have! Same principles apply however, the idea is to get the water ...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Moving to single zone

Flow temperature. The heat pump decides this based on the outside temperature, the selected Weather Compensation curve, the target room temperature a...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Moving to single zone

If the house gets too hot reduce the flow water temperature further until it doesn't! Thats the route to max efficiency/lowest cost and max comfort.

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Difficult positioning of air source heat pump

Landing windows dont count so calcs are based on the nearest window to a liveable space Covers are an option but if the calcs say that its OK noi...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Fitting heat pump plumbing and pipes in advance?

I think thats what I meant by the suggestion to fit an electric element to a towel rail?

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Difficult positioning of air source heat pump

@rikiarn I agree with @allyfish that this is a difficult one. I spent ages contemplating locations for mine, mentally going through all the options ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fitting heat pump plumbing and pipes in advance?

That is what I originally planned, then I fell back to 'ignore and rely on heat from adjacent room and steam when the bath is in use.@ The TRV will ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fitting emitters with output greater than room heat loss.

I don't think that Vaillant are special in any major way, they are one of a number of well-reputed manufacturers all of which reportedly produce good ...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Non standard houses with non standard owners

Its not quite as simple as that Unless the insulation between rooms is very good, or the insulation between the house and the outside world very bad...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fitting heat pump plumbing and pipes in advance?

One more thought if you are doing a bathroom refurb and planning a heat pump later - towel rails are basically more or less useless for heating when r...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fitting emitters with output greater than room heat loss.

The proof, of course, will be in the heating! My ASHP was fitted two weeks ago sized based on two years measurements of gas consumption and assumpt...

9 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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