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: Oct 14, 2026
Looks like you have a 25L buffer vessel, so I'm guessing there are two pumps, one on the primary side of the buffer, and one on the secondary side. ...
That's strange. According to the manual, with those settings the pump(s) should cycle 7 mins off, 3 mins on Try changing #2091 and #2093 to the sett...
Don't want to step on @pirate-rich's toes, but are you advise us of the settings for Field Setting Values (FSV) #2091, #2092 and #2093 please? When ...
The following source indicates 19,416 ASHPs had been installed under ECO4 at the half way point of the scheme, in May 2024 Perhaps more concerning, ...
@richdorm do you have an external thermostat, or not? In other words, which of the two modes @mike-h highlighted above are you running in? We use a ...
Thank you for the calculation I'll add some first hand data here, albeit a single data point made through observation. Conveniently, our house ...
I'm not sure which cylinder they have sent you, but I found data sheets for some Mixergy cylinders here which show coil rating of around 17.8-20kW for...
My thinking exactly, but I don't know whether it would be significant enough to be concerned over. Given how long you've waited for a replacement, I...
All else being equal, having an indirect heating coil will reduce the volume of water the vessel can hold. But as you are not comparing like for like ...
@bontwoody I have a single string 3kW solar AC inverter (non-hybrid), one year old, recently decommissioned as I've just had a Tesla Powerwall 3 insta...
Glycol is colourless, but typically glycol sold in the UK for use in heating systems has a light blue colouration. If you empty the contents of your Y...
Top tip to fit an isolation valve! All good points. I guess that at least with an automatic air vent valve you have the option to operate it automat...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 1 hour 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 , 2 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 , 2 hours ago
-
@bobflux Thank you for your response. I am trying to ...
By RonV. , 2 hours ago
-
This post is about how I successfully configured a buff...
By Tony.Stolz , 6 hours ago
-
The installer visited yesterday and suggested the noise...
By JamesChatz , 7 hours ago
-
RE: Heat Geek installations: share your experiences
I struggled with this problem as well. An independent t...
By L8Again , 8 hours ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 10 hours 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 , 11 hours ago
-
RE: How should the Boiler Upgrade Scheme be reformed?
@temperature_gradient Isn't that just describing a regu...
By Prunus , 11 hours ago
-
RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 24 hours ago
-
RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 1 day ago
-
RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 1 day ago
-
RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 1 day ago
SPONSORS
