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JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 19, 2026
Topics: 27 / Replies: 5268
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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?

2 years ago
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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 ...

2 years ago
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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 ...

2 years ago
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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 ...

2 years ago
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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...

2 years ago
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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...

2 years ago
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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...

2 years ago
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RE: Which system is most efficient...

OK. Im not going to be able to answer the question, but can give you some pointers. Others may chip in. Forget the idea of a 100l buffer tank to...

2 years ago
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RE: Fitting heat pump plumbing and pipes in advance?

You are right about 35mm, my mistake. The D2 can certainly go through the wall assuming that the porch doesn't conflict given the levels (look at...

2 years ago
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RE: Fitting heat pump plumbing and pipes in advance?

I wouldnt disagree with this! No. The pipe is carrying pressurised hot water (it could be as hot as 70C in a legionella cycle) so it needs t...

2 years ago
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RE: Which system is most efficient...

First question, where does 16kW come from. It's a big loss even for a 220sq m house unless its poorly insulated or it gets very cold, which it may de...

2 years ago
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RE: Fitting emitters with output greater than room heat loss.

If the objective is to operate without trvs then rads need to be balanced so that the rooms are at the same temperature (or deviate from the same temp...

2 years ago
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