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Saz
Saz
@saz
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Joined: Sep 15, 2021
Last seen: Mar 17, 2025
Topics: 3 / Replies: 116
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RE: Vaillant Arotherm Plus issues - circulation, efficiency and performance

@hmk The installers aren't on the MCS 'find a contractor' list but the designer of the system is. (Same woth Vaillant list) They are both MCS certifie...

4 years ago
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RE: Name and shame heat pump installers that have done shoddy work

@witchcraft Won't they accept the complaint by email or phone?

4 years ago
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RE: Vaillant Arotherm Plus issues - circulation, efficiency and performance

Well I have asked my LL to ask the people coming out to move the strainer to set up weather compensation so I am just waiting for a date now. The othe...

4 years ago
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RE: ASHP Install from hell part 1 - the schematic - EXPERTS PLEASE VIEW

@saf1973 The procedure and admin tasks for MCS certification are so clearly set out on their website and relevant others' that there is just no justif...

4 years ago
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RE: Energy poverty, climate change and sustainable lifestyles

@transparent @bea1060 With a bit of modification such a list would benefit tenants too, which is what I'm looking at creating.

4 years ago
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RE: Renewable Heating YouTube channel

Great and timely video @editor Some very good questioning even though some of the answers were quite 'soundbitey' and vague. I will be looking forward...

4 years ago
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RE: Vaillant Arotherm Plus issues - circulation, efficiency and performance

I forgot to mention that of course hot water takes priority.

4 years ago
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RE: Vaillant Arotherm Plus issues - circulation, efficiency and performance

@robl Hi, thanks for replying, re the heat curve I was in contact with Vaillant today about this. The actual curve may have to be a compromise I think...

4 years ago
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RE: Vaillant Arotherm Plus issues - circulation, efficiency and performance

Manufacturer's response to my query today was that they now say that the most efficient method of running the heating is with the heat curve enabled b...

4 years ago
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RE: Vaillant Arotherm Plus issues - circulation, efficiency and performance

@batalto I think colder weather is on it's way but generally yes I see what you mean but I really would like to trial weather comp. My only option is ...

4 years ago
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RE: Vaillant Arotherm Plus issues - circulation, efficiency and performance

@batalto True, but it's risky and I just cannot do it. I'm left having to challenge this state of affairs the hard way.

4 years ago
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