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GuydeB
@guydeb
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Eminent Member
Joined: May 19, 2025
Last seen: Sep 13, 2025
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Topics: 2 / Replies: 13
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RE: Is a Valliant Inline 6kW heater a BUS buster?

hmmmm - sadly the Mitsi's are more expensive (£2,700 the pair) and wider (by 300mm the pair). The Mitsi R32s are a little cheaper, do they have the sa...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is a Valliant Inline 6kW heater a BUS buster?

So this is from Grant - can't fault them for speed of response to an email about 2 x 10kW: When using two R32 Aerona³ heat pumps connected in a casc...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is a Valliant Inline 6kW heater a BUS buster?

ah that's interesting @jamespa - so could one 10kW (say) supply the HW and the UFH at 35 degs and the other supply the CH at (say) 45 degs? Then presu...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is a Valliant Inline 6kW heater a BUS buster?

thanks guys - I hear you on the not rushing and plainly we need to sort this heat loss, which is crucial (obvs) but also a bit like nailing jelly to t...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is a Valliant Inline 6kW heater a BUS buster?

thanks @toodles and @jamespa (again) - I shall have that convo when I find an installer (the chap I was going to use isn't experienced enough and has ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Are there any lawyers in the house???

Hi @jamespa, thanks again for all your thoughts, very useful. Yes I'm afraid time is now of the essence (and yes you're correct we have new ASHP-ready...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is a Valliant Inline 6kW heater a BUS buster?

Hi @jamespa and a nod to @grahamf for his excellent old/large house explanations. I am still going around in a vortex of different suggestions without...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is a Valliant Inline 6kW heater a BUS buster?

awesome @jamespa - great advice - keep it simple. And yes the cylinder IS unvented and I agree, can't bear to just chuck away. The PHE call is geniu...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is a Valliant Inline 6kW heater a BUS buster?

Thanks @iaack and @jamespa for your further thoughts. Your advice has been invaluable. I have a well respected installer ready to install the 12kW V...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is a Valliant Inline 6kW heater a BUS buster?

@jamespa thanks. For a fossil fuel comparison we spent approx £2,500 (av. 71p per litre) - £2,800 (av. 85p per litre) per year on oil (2023 and 2022 f...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is a Valliant Inline 6kW heater a BUS buster?

Wow @jamespa thanks so much for this - I am lucky enough (in our very hot summers!) to live in Somerset in an 1840s vicarage made of blue lias stone (...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Is a Valliant Inline 6kW heater a BUS buster?
6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 30
Views: 1537
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