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Last seen: Jun 4, 2026
Hi, just curious on whether you progressed your upgrade and what you chose?
I agree with @colinc that you can reuse some of it. A simple drawing of the components and connections would allow us to advise further. I hope you...
This spec already saved some time. An estimate that caught my eye was (after I shared the Bosch spec..) quickly replaced by another joining the long t...
The heat exchanger is my guess, as I cannot see what else could allow a third party pump in the rad circuit.
Do you mean the EPS socket is not working continuously? And did the kit come with any diagrams and H&S warnings?
I second that. The third time I tried using the Vaillant list I found one possible mid size installer - and they were happy to install Grant and Bosch...
Yes, I imagine they will seek to have it type tested. Otherwise, it will not be plug-in, as the forms would be a real pain to fill in..
@jamespa Yes, it is a hydrosplit (the pump is not in the ODU but in the indoors unit). And the idu seems to have a heat exchanger.
Yes, thanks. Bosch 5800 is here. My point is about the product naming. Essentially a 7kw Vaillant is acceptable to installers for our home but a Bosch...
My understanding is that proper plug in kits come with instructions. They are not meant to be just plugged in at random. And anyone misusing a toast...
I am way, so a bit late, just sharing a few threads in case you have not seen them. One that @jamespa started about adding a hybrid inverter to a p...
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I'm the general case no (at least not yet). But if ins...
By JamesPa , 1 hour ago
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RE: GivEnergy inverter tripping due to over-voltage?
Thanks for that info. Yes, I'm well aware that GivEne...
By Transparent , 1 hour ago
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RE: Cooling with air to water heat pumps
Very sensible Unfortunately I fear that's too simple...
By JamesPa , 6 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Good morning. I just came across your website. Was ho...
By iRadiate , 11 hours ago
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RE: Failed Heat Pump Install: IWA Claim Rejected
Many of the estimates we received mention IWA and RECC....
By Batpred , 22 hours ago
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RE: Rural burning – I've had enough
Same here in Finland. It's strictly forbidden ...
By upnorthandpersonal , 22 hours ago
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RE: Renewables & Heat Pumps in the News
Something worth flagging... we've just published a news...
By Mars , 23 hours ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
The Homeowners' Q&A podcast is back... I've changed...
By Mars , 23 hours ago
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RE: Anyone concerned about GivEnergy?
I have already signed up with Axle so yes, that takes c...
By KevH , 1 day ago
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@batpred Would it pass the airbnb feedback test no. I...
By EtchedPixels , 2 days ago
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A quick update... we've just launched the beta version ...
By Mars , 2 days ago
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RE: Who Actually Owns a Heat Pump in Britain? We Asked. Here Is What We Found.
The age part doesn't surprise me - only 25% of UK home ...
By EtchedPixels , 2 days ago
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RE: Home automation and the cloud; is there a better way?
Nothing you've said there, @etchedpixels, is something ...
By Majordennisbloodnok , 2 days ago
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I've heard from others living in the vicinity of Derril...
By Transparent , 2 days ago



