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: Dec 23, 2025
Proper interesting read that if you own an Aerona3. The Million£Question - which will be better - the OEM Grant Wifi solution that has been rumoured...
SITREP #2 Learning experience - that's what his first winter has been... The future, maybe - the present... If willing Temperature Sensor issue i...
@mikefl it ain't there - the plumber clearly missed it.
Nope, mine does not have this - not on the system anywhere.
@derek-m @allyfish Both Good shouts - ill make sure to tell Grant that if they ever commit to coming to look/fix. Noise affecting resistance wou...
Do you know what flow in l/m your unit is showing? @allyfish How do i check this? is it a parameter on controller? i've not seen it in manual. T...
*SITREP Thanks for the replies - I've been basically babying the unit for the last week trying to find the sweet spot for WC - and it was all over t...
*Update So the heating season has begin in earnest - which means £.. But besides that - been looking at the grant 10kW running - and the ad hoc da...
Also, a small detail - Copeland compressors of a smaller hew, (<20kw) are UK manufactured and used by a variety of HP manufacture's - (RED, Bosch, ...
@allyfish I've been keeping a track of this parameter - circa 4000w when the DHW is running. to be honest, it bounces about a bit - like most o...
@allyfish 17Hrs a day is a good ballpark to hit for a first winter With my system being entirely underfloor - getting the flow rates right is the...
Thanks for the heads up Mr A Fish I have 4x Nest Thermostats running a zone each. scrapped all the extra boards from grant and just run 2 independen...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 1 hour ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 7 hours ago
-
RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 12 hours ago
-
-
RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
-
RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
-
RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
-
RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
-
It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
-
RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 2 days ago
-
RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 4 days ago
-
RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 5 days ago
-
RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago
SPONSORS
