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Sune
Sune
@sune
Contributor Professional Installer
Trusted Member
Joined: Jun 16, 2022
Last seen: Feb 7, 2026
Profile Activity
Topics: 0 / Replies: 27
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RE: ASHP added to Biomass System?

@vinceprince our company supplies heat pumps, and have been doing biomass systems for much much longer. What you're describing is called a hybrid or b...

2 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
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RE: Dodgy Vaillant ASHP foundation & Eddi Diverter Making Central Heating Water Dirty

@jennyross a totally blocked filter will stop the heat pump from working (it would give a "flow fault") so I guess that wasn't happening. And it's goo...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Dodgy Vaillant ASHP foundation & Eddi Diverter Making Central Heating Water Dirty

@jennyross I like your descriptions, they're helpful. Sounds like metal deposits to me. It's not uncommon to find some in most systems tbh. Are you fi...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Dodgy Vaillant ASHP foundation & Eddi Diverter Making Central Heating Water Dirty

@jennyross it's helpful to have a list isn't it! Cleaning filters should be on that list - it's probably one of the most vital parts really (as well a...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Dodgy Vaillant ASHP foundation & Eddi Diverter Making Central Heating Water Dirty

@jennyross out of interest did you get an RHI grant? Was your existing system flushed and cleaned out originally? Because building regs Part L, page 5...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Dodgy Vaillant ASHP foundation & Eddi Diverter Making Central Heating Water Dirty

The Eddi has nothing to do with the black gunk - this is either caused by the system not being correctly flushed and/or the system not being tested an...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma noisy heat pump - help and advice needed

@clairelp I'd expect the primary pipes - which is the ones that connect your heat pump to to the volumiser, to that black and red Esbe valve, and to a...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma noisy heat pump - help and advice needed

Additional to all those good comments, especially the pipe clipping one, it might also be worth checking with the installer what the velocity in the n...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Bodge Buster: Homeowner Heat Pump Installation Guide

@editor my copy arrived at the weekend - I haven't read it back to back yet but I have skimmed through each page. Like you say it's an ideal grounding...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Bodge Buster: Homeowner Heat Pump Installation Guide

@elton and here's a link

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Bodge Buster: Homeowner Heat Pump Installation Guide

@editor just ordered my copy.... we'll probably recommend it to our local sustainability groups. Until "low temperature heating system design" is full...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump size advice – is 16kW overkill for this property?

@editor I'll defer to Brendon/Heatcol's encylopedic knowledge here when and if he responds in terms of how many compressor starts per hr is too many.....

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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