Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: May 15, 2026
Maybe I am missing something but I cannot see why anyone would want if off...
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...
- 26 Forums
- 2,631 Topics
- 61.5 K Posts
- 860 Online
- 7,027 Members
Join Us!
Latest Posts
-
RE: Estimating true heat loss from twelve months of consumption data
Hi @ian33a you could do your own heat loss calculation ...
By Judith , 7 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
@djh ah, I have never seen this before, interesting ide...
By ASHP-BOBBA , 7 hours ago
-
RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
By Judith , 7 hours ago
-
RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
By cathodeRay , 9 hours ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 10 hours ago
-
Current metrics - DHW target set to 47c
By TaffontheTaff , 15 hours ago
-
RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 17 hours ago
-
RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
By Broadsman , 19 hours ago
-
RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 22 hours ago
-
RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 22 hours ago
-
RE: Grant Aeona 3 R32 cycling with weather compensation.
That would be abnormal but I cant see from your charts ...
By JamesPa , 22 hours ago
-
RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 1 day ago
-
Heat geek have already stated that the pro is in fact c...
By JamesPa , 1 day ago
-
RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
By Deltona , 1 day ago



