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 21, 2026
And a picture of cylinder and surrounding pipe work would help.
Could do to know what control mode you are using - weather comp or Auto adapt - from your trend looks like you are using weather comp but I’m not too ...
I looked at the trend in the link for booster - I see the booster on flag set but don’t see any corresponding rise in flow temp gets- makes me think y...
Some of this stuff is getting quite technical so let me know if not clear. From memory disabling booster requires changing DIP switch settings insid...
Ref stopping and needing booster to get back up to temp - that sounds like something not set up right. Personally I would disable any booster heater a...
By the way don’t leave it in fixed temp mode - very inefficient - just use it for balancing.
Ref radiator removal- have you checked system pressure - should be about 1.5 bar, might need topping up if you’ve had a rad off.
Did you get any handover pack from your installer? This should state if glycol antifreeze has been added and what concentration.
Also important that UFH is balanced correctly for same reason.
@goodbyegas Well you are warm and your flow temp at 3 Deg outside temp is only 35 degrees so you should be getting pretty decent COP. Hopefully it ...
@robs I didn’t have the OAT for the full range of data so that’s probably why.
@robs Here is my results from heatpump monitor.org. Not sure what the vertical line of points at 20 degc is about and it seems to be skewing the li...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: How quickly would you want/expect heat recovery to take from setback?
I have no idea how the control loop works with the Cosy...
By AndrewJ , 28 minutes ago
-
RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
By Temperature_Gradient , 15 hours ago
-
RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 17 hours ago
-
RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 19 hours ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
By Toodles , 20 hours ago
-
RE: Heat pump branding. Clever, contemporary… or a bit too much?
...or it was there and was lost thanks to laziness and ...
By Majordennisbloodnok , 20 hours ago
-
@bobflux Thank you for your response. I am trying to ...
By RonV. , 20 hours ago
-
This post is about how I successfully configured a buff...
By Tony.Stolz , 24 hours ago
-
The installer visited yesterday and suggested the noise...
By JamesChatz , 1 day ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 1 day ago
-
RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Thats true only if you do the wrong experiment. Done c...
By JamesPa , 1 day ago
-
RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 2 days ago
-
RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 2 days ago
-
RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 2 days ago
SPONSORS
