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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 17, 2025
Profile Activity
Topics: 17 / Replies: 2696
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RE: Help me keep the faith with my air source heat pump installation

Then that is what you should ask for. As I say above Im neither condoning nor defending having only an MCB not a type B RCD plus an MCB (or an RCBO),...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Help me keep the faith with my air source heat pump installation

So in summary it was a decision between pragmatism and strict conformance to what Vaillant say, even though (I believe) the latter goes beyond the req...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Help me keep the faith with my air source heat pump installation

They could hang a secondary CU off the existing ASHP MCB and then put the RCD in that - as @ashp-bobba suggests above I believe. They may argue that...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Help me keep the faith with my air source heat pump installation

Im glad you said this. Its reasonable to suppose we get a distorted view on this forum and its important IMHO to be reminded of that from time to tim...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Help me keep the faith with my air source heat pump installation

I think you probably mean RCDs rather than MCBs. Vaillant, in common with many heat pump manufactures, specify Type B RCDs which, unlike the more ...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is this ASHP install OK?

You should contact the council and report the unsatisfactory work, requesting them to withold paynent. Without rawlplugs (how do you know) your radia...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is this ASHP install OK?

Not sure that's what you meant albeit that the industry could do with some comic treatment!

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing Refrigerant on Mitsubishi Heat Pump

Strange. Very definitely in the UK there are two separate industries namely commercial aircon, who all have f-gas qualifications so can work with re...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing Refrigerant on Mitsubishi Heat Pump

Commercial aircon people would normally do this in the UK, I imagine same in Portugal. Does it actually need doing?

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Anyone able to provide some feedback before I make my finale decision? Samsung vs Baxi vs Vaillant

Indeed. With a battery its presumably the battery controller that does all the heavy lifting with load optimisation, so I'm not sure Havenwise helps...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Anyone able to provide some feedback before I make my finale decision? Samsung vs Baxi vs Vaillant

Strictly they should be insulated (building regs I believe) to stop them 'leaching' heat from the tank, unless of course you want the heat for somethi...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Anyone able to provide some feedback before I make my finale decision? Samsung vs Baxi vs Vaillant

Delighted to hear this went well. It looks very neat The only comment I would make about the installation is that pipework within 1m of the DHW tan...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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