Last seen: Jul 6, 2025
This is so important. For my money householders need to know how to balance radiators using the lsv. Why? Because, given that its unlikely that radi...
The other important point about wc is that the controller gets the signal to change what it is doing at the same time as the principal driving factor ...
Surely you can 'correct' a mildly oversized rad by turning down the lsv during the balancing process? Certainly that's what I did with my installatio...
As @ashp-bobba says there are lots of variables. My house takes 3-6hrs to change temperature by a degree. I have one room with a fancoil that respon...
Correct. However unofficial data suggests this ignores defrosts and you might have to derate by 10-20pc when it's defrosting a lot, which in fairness...
A couple of hopefully helpful comments Vaillant 10kW is the same as the 12kW, just software limited. A neighbour of mine was borderline 7/10kW an...
The order, despite it's title, appears to apply to England and Wales, see article 1
Yes but we have to deal for now with the world as it is not as we would like it to be (whilst seeking to change it at the same time) Householder ...
Yes that's true of course Unfortunately installers all too frequently don't use the correct numbers, and it's not always possible to tell, which is...
It's not really that bad if you just take it methodically, using the knowledge on this forum, and have confidence in your own ability to think logical...
@matwin This post is a real world example of the effects of oversizing and buffers. It's worth reading it and the subsequent discussions.
Latest Posts
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer great you located the source of the issue a...
By Mars , 3 hours ago
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RE: Location of hot water isolation valve on cylinder
@rossowheels if you isolate the water supply in it will...
By ASHP-BOBBA , 12 hours ago
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RE: Ecodan consuming 100kwh per day in new build!!!
From what you say about the radiators upstairs it does ...
By JamesPa , 17 hours ago
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The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve
It’s fascinating to watch how low-temperature heating i...
By Mars , 20 hours ago
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@heacol, if you're around, can you please provide some ...
By Mars , 23 hours ago
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RE: Servicing Hitachi HP in rural Somerset
I'd give GreenGenUK a call or email them: sales@greenge...
By Mars , 23 hours ago
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RE: Heating coming on when not required
I played with a max heating temp but there is a world o...
By JamesPa , 2 days ago
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RE: Pressure drop Primary circuit
I've always regarded topping up heating systems as my j...
By JamesPa , 2 days ago
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RE: Heat pump solutions and/or installer recommendations for France
I’d travel to France for work if you were struggling wi...
By Damon Blakemore , 2 days ago
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RE: 5 Star Service from Havenwise
That's always a danger with any new good idea, @morgan....
By Majordennisbloodnok , 2 days ago
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Have your say in the Renewable Heating Hub Awards
It’s time to celebrate the best (and call out the worst...
By Mars , 2 days ago
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RE: Mitsubishi cycling while on chilled water output
@iaack yes there's no denying that cold air sinks! I s...
By downfield , 3 days ago
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RE: Weather compensated secondary circuits with Biomass
@andycoo that flooring sounds ideal. Extra volume is ...
By Sune , 3 days ago
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If you are thinking of heating on the immersion conside...
By JamesPa , 4 days ago
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RE: Surface mount or bury primaries for heat pump installation?
@tomasmcguinness, I think your best bet would be using ...
By Aventus Eco , 4 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles all depends on asking the right questions! And...
By Tim441 , 5 days ago
