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: Jun 27, 2025
Having watched the video in its entirety, it's clear that the accessories box that was strapped to the pallet isn't the correct one for the 280L. The ...
Here is the link to their YouTube video showing assembly: And attached are some pictures of the BMS and balance board. A couple of issu...
My order of a Mason 280L (Vertical) with grade A 304k cells was delivered on Thursday. Just started to unpack it and it's very suprising to see: 1. ...
When people say ‘they don’t work’ , what they actually mean is ‘it costs more than gas’… which, unfortunately, in the current energy price environment...
I went for the upright seplos, mainly because they couldn’t tell me when these were coming in, and I’ve got two failing cells in my DIY pack. Need som...
My 9kW Cool Energy (SPRSUN) has been coping admirably this last week. Rads in the old part of the house, ufh in the 15m2 extension. Weather comp cur...
The grant pump isn’t pwm controlled so you could literally fit the cheapest one from toolstation and it would work without error codes.
@soniks I watch all his video's, he's a smart guy... Hopefully when he gets his f-gas certificate later this year he'll be in a position to de-gas/re-...
@soniks Szymon from Urban Plumbers by chance? He's just re-piped a badly installed Grant unit...
@chickenbig those numbers for absorption/float look sensible…
@transparent my cells are old and I could use actively cooled balance resistors as although my bms can request a reduced charge rate when balancing, i...
I’m using 210aH CALB prismatic cells but my absorption/float numbers are: 55v absorption, balance starts at 3.45v, 1.8a maximum balance current, 20 ...
- 27 Forums
- 2,810 Topics
- 66.4 K Posts
- 2,873 Online
- 7,216 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Electricity price predictions
I wasnt sure where to post An interesting meeting ...
By Jeff , 11 hours ago
-
RE: Why don't people choose heat pumps?
Again, spot on. The problem is that we in the UK have d...
By cathodeRay , 11 hours ago
-
RE: Adding data centre electricity costs to domestic energy bills?
I should say my points are simply raised to test the fo...
By Jeff , 12 hours ago
-
RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Agree with everything else. Personally I think the as...
By JamesPa , 19 hours ago
-
There's a company called Xlinks who are proposing just ...
By Transparent , 20 hours ago
-
RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 22 hours ago
-
RE: Octopussy cosy 6 experience
@paultheheating Unless things have changed more recentl...
By Toodles , 2 days ago
-
RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 2 days ago
-
RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 3 days ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 3 days ago
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@etchedpixels Agreed, just a thought for others. I am...
By Watcher , 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 , 4 days ago
-
Coming back on subject... A shortened version of the ...
By Transparent , 5 days ago



