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: Sep 11, 2026
@jamespa no airflow problems definitely. primaries 28mm, got a few bends. flow and return to about half the rad back bone 28mm. other half fed from tw...
@jamespa last 24hr according to the Vaillant app 2.55.
@jamespa just saw this massive spike on energy consumed which is sat in between two hot water heating mode on status. maybe a defrost?
@jamespa i seem to remember someone when i was digging for info on rad balancing saying they were having trouble as the Vaillant seems to want to cont...
@jamespa this is a graph with both flow and return on. seems to be keeping a 2.5c gap between them.
@jamespa ive just pulled the flow temp from the Havenwise data, as im at work so cant spin up Home Assistant. its only a few days and the first few da...
@jamespa there is data for hrs and on/off cycles. But since switching to Havenwise that Vaillant app status page doesn't seem to be updating. Until ar...
I might try a wipe and re install of Home Assistant to see if I can get the power info to show. Was going to put it on a RPI 3B I have but it won't wo...
ok now i had some cold days i think i can safely say i have an issue with either the heat pump or the install. im getting as low as 2.4 scop for hea...
facebook group.
@agentgeorge it has got 2, the other bleed screw is the other end.
- 27 Forums
- 2,783 Topics
- 65.6 K Posts
- 1,622 Online
- 7,187 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
I'm guessing it's a visual amenity consideration. Don'...
By JamesPa , 6 minutes ago
-
RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
Excellent find, thanks for posting the link here.
By cathodeRay , 3 hours ago
-
RE: How should the Boiler Upgrade Scheme be reformed?
It's the reverse, the hybrids need less space. The back...
By Temperature_Gradient , 3 hours ago
-
Over the years, due to the non barrier PEX underfloor h...
By bobflux , 15 hours ago
-
RE: Getting closer to a finished Haier system
All the 45° elbows required for getting the primaries i...
By Singlespeed , 16 hours ago
-
RE: Tesla Powerwall (2) Calibration Cycles
@papahuhu Likewise, the main ‘extra’ relates to TOU tar...
By Toodles , 22 hours ago
-
RE: battery storage without solar
Indeed, current on the grid input = current used for ch...
By bobflux , 2 days ago
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu @papahuhu A lot of tears and sweat went into ...
By Andris , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
We have the same problem, 12 mature trees clip the morn...
By Papahuhu , 3 days ago
-
RE: Solis inverters S6-EH1P: pros and cons and battery options
I had a battery and inverter installed a while ago, my ...
By Batpred , 3 days ago
-
RE: Is This Initial Free Quote From Octopus Trusted Partner Reasonable?
@ltron2 The EPC on our house is A-92, however that i...
By Rob of York , 3 days ago
-
RE: Heat pump branding. Clever, contemporary… or a bit too much?
The layout is confusing - much better like this: We b...
By downfield , 4 days ago
-
RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
My experience, backed up by opinions from various frien...
By Majordennisbloodnok , 4 days ago
-
RE: Analysis of the economics of switching to an A2W ASHP compared to other heat sources
I had a meeting today with a company based out of Swede...
By Mars , 5 days ago
-
RE: Review your electricity provider
We were with Octopus in our old house and it was fault...
By ian33a , 5 days ago

