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@editor
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Illustrious Member
Joined: Feb 11, 2021
Last seen: Aug 21, 2025
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Topics: 305 / Replies: 3079
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Reply
RE: Ecodan U4 error code

@spacebiscuit I'd definitely recommend calling Mitsubishi so they can walk you through it. If anything, it'll point you in the right direction. This i...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan U4 error code

@spacebiscuit I've heard back from Mitsubishi. They've informed me that for error codes they have a platform on their website that initially identif...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Win an Organic Cotton Heat Pump T-Shirt
1 year ago
Forum
Well & Truly Off The Grid
Replies: 0
Views: 783
Reply
RE: Ecodan U4 error code

Welcome to the forums @spacebiscuit. I’ll reach out to Mitsubishi for advice. As an aside, have you reached out to your original installer?

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How Government Grants May Be Inflating Heat Pump Installation Prices and What Could Happen If They’re Scrapped

This is where I struggle. The rad pricing looks fair enough to me. Two years ago (maybe three now) we had five rads replaced. It took two guys about f...

1 year ago
Forum
Government Schemes, Regulations, Planning & Organisations
Topic
How Government Grants May Be Inflating Heat Pump Installation Prices and What Could Happen If They’re Scrapped
1 year ago
Forum
Government Schemes, Regulations, Planning & Organisations
Replies: 7
Views: 512
Reply
RE: Vaillant controls and myVaillant Connect

@hcas, so this is the honest feedback from Vaillant. Technically, yes, you can set the system up without a controller, however, they would strongly ad...

1 year ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Does legionella cycle also heats up radiators?

@bbmorales let's backtrack a little bit. Can you please share more information about the system you have (brand and model of heat pump would be a good...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant controls and myVaillant Connect

I messaged a contact at Vaillant who responded to me tonight saying you will need the controller to set the weather compensation curve, set programmes...

1 year ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Help! Issues with Ideal ASHP

@wales1979 that's shocking. I would be sure to mention this to Ideal when you speak to them. It's just unacceptable and manufacturers must be informed...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help! Issues with Ideal ASHP

@wales1979 that would be the best call of action. Knowing how to do this yourself will empower you to take control of your system and monitor it. Biza...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Does legionella cycle also heats up radiators?

Welcome to the forums @bbmorales No, that shouldn’t be happening. It sounds like you’re on the right track with your diagnosis though. During the le...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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