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: Apr 9, 2026
@dunlorn That's interesting. In our house our comfort preferences specified the opposite: small setback overnight because otherwise it was too wa...
@toodles Quite. I'd first looked at all this seriously back in 2021, but then life got busy and I didn't follow through - man, I was kicking myself la...
@toodles thanks, interesting to hear. I'm not expecting to be able to shift all of our demand into the cheap periods, by any means, but should be able...
Well, that was an expensive weekend, certainly. OAT varied between 0 and -9°C over Sat/Sun, with heating (exc. DHW) consumption of 52.8 and 54.4 kWh ...
Well, it seems to be fixed. The controls are making proper sense for the first time. Maybe now I can have another go at those heat curve and setback e...
This evening I am allowing myself a smug/wry smile, as after 3 weeks, 2 installer visits and various attempts to describe the problem to Valiant, I be...
@drew-pa On a side note: do you know what the button on the radio receiver box (with the "two rotating arrows" symbol) does? I can find no mention o...
@drew-pa Yes, they seem to be. The downstairs master unit can make any changes (including the installer settings). The upstairs remote unit can only d...
@drew-pa Just the two sensoComfort units (main controller in downstairs zone, remote unit in upstairs zone), plus the external sensor for weather comp...
Thanks, understood. It's running on WC and modulates the temperature sensibly. There plenty of capacity in the system, and the building warms fine d...
Update: After installer performed full factory reset, we tried first night with constant temp - worked fine. Then I applied overnight setbacks 1°C...
- 27 Forums
- 2,811 Topics
- 66.5 K Posts
- 1,567 Online
- 7,217 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
... And that's being generous! I'll tell you a littl...
By SusannaSaunders , 6 hours ago
-
RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 7 hours ago
-
RE: Electricity price predictions
great session Reminds me why some politicians can be ha...
By Batpred , 7 hours ago
-
RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 7 hours ago
-
RE: Why don't people choose heat pumps?
With a heatpump tariff, it should be cheaper to operate...
By Batpred , 7 hours ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
absolutely agree. even if many providers see that extra...
By Batpred , 8 hours ago
-
RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 11 hours ago
-
I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 15 hours ago
-
RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
-
RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 3 days ago
-
RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 4 days ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 4 days ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 5 days ago



