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: Mar 26, 2025
Valiant have been superb with me, especially useful as my installer went bust just after my bodged installation.
@editor No, Travis Perkins took them to court at the same time as I did and they put the company into insolvency and made the director bankrupt (my co...
@iantelescope I had a remarkably similar experience (though I am happy with the heat pump itself). I ended up taking my installer to court but Travis...
Absolutely! This forum is how my Valiant system got set up. It was installed by a plumber who had no idea at all. I'm getting towards being happy with...
@derek-m Yes, @mars took the case to MCS not interested
@cathoderay Based on the questions they got an average score, if you asked me my views they were charlatans who had no concept of how ASHPs run nor an...
Mine was so bad Mars wrote an article on it. But for the installation itself. No handover, flow temperature at 55 degrees, no weather compensation, ...
@derek-m Handover pack, hmmm a handover of any sort would have been nice 🙂 Thankfully they left a full set of Vaillant docs along with the coke can...
@derek-m Great advice, even better if the really thick install guides are left on site!
Sorted, found out its fault code F.788 - pump not running. The controller manual fault section (left in my garage by the installer muppets) suggested...
@squonk Snap and mine wasn't at all competent either
Yup that's exactly what it is telling me! 🙂 Just got a fault code of F.788 (pump) from the main unit in the garage.
- 26 Forums
- 2,721 Topics
- 63.7 K Posts
- 955 Online
- 7,123 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Indevolt Batteries UK Support & Info Thread
For the benefit of others who come across this discussi...
By Transparent , 8 minutes ago
-
Heat capacity of water is 4180 J/(°C.liter), therefore ...
By bobflux , 30 minutes ago
-
RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
Just an observation regarding the Joule insulated 200lt...
By Toodles , 1 hour ago
-
RE: Existing Solar Panel installation - structural roof calculation check
In our experience, the buyer usually pays for any surve...
By scrchngwsl , 2 hours ago
-
RE: Vaillant Arotherm Pro vs new Plus
So with the dedicated Hager CU, flipping the big red bu...
By Batpred , 11 hours ago
-
Well I usually do it by feel, which is a slight problem...
By Transparent , 15 hours ago
-
@jeff I am well aware of the riskiness of such investme...
By Toodles , 18 hours ago
-
Fully understood and entirely reasonable! On the home ...
By JamesPa , 1 day ago
-
RE: Electricity price predictions
So I am really having difficulty trying to work out wha...
By bontwoody , 1 day ago
-
Ok Well almost certainly it could be used instead of ...
By JamesPa , 2 days ago
-
RE: Samsung heat pump - data cable issue
Samsung reference it as "RS485 - COMM" in my manual. ...
By Old_Scientist , 2 days ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Looks beautifully integrated.. We had our done as wel...
By Batpred , 2 days ago
-
RE: SolarEdge SE5000H Inverter Failure
Update. My SolarEdge inverter was replaced yesterday wi...
By L8Again , 2 days ago
-
For cooling a whole building, or even a big room with l...
By EtchedPixels , 3 days ago
-
RE: Comms and power cabling to outside unit
@old_scientist 100%, the cover is for warrantied unit...
By Papahuhu , 3 days ago



