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 26, 2026
Wow... thanks for that curve-ball @majordennisbloodnok I'm going to drastically simplify the discussion for a moment. Others will arrive here later ...
That story about Eclipse Power's installation of 49MW storage is a carbon copy of the situation I raised in a post here about North Tawton on 21st Apr...
Let's return to the possibilities for using ELV devices within the home:
The wiring between an inverter and a 48v (nominal) battery does operate within the parameters of Extra Low Voltage, but would not normally be referred...
Leaving aside the current problems in sourcing products from China at the moment, I think it might help if I also highlighted here what I've deduced f...
We're moving very fast into another area of discussion within the subject of ELV. I'll address what I've found out concerning connectors here. But ple...
In order to not 'crowd' this topic with ideas and information about the use of 'off-grid' storage batteries, I've started a separate thread about usin...
I discussed this very solution with my DNO in the initial year of the OpenLV Project to have monitored substations. Great minds etc.... 😎 DNOs too...
In many cases I would agree. But I could easily apply that argument to the ubiquitous GU10 LED light bulb. It's the most common type used in kitchen...
I'm now looking at this from the opposite viewpoint... using ELV unless there is a reason not to do so. The current objective is to create a system ...
I think that would be lacking in adventure 🙂 Here's an overview of the intended 48v wiring to the existing ELV wiring positions. And here's the...
Lots of questions arise from those points @jeff Since there are few 'Standards' let me start by addressing the issue of which voltage to use. Twent...
- 27 Forums
- 2,808 Topics
- 66.3 K Posts
- 2,480 Online
- 7,212 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders I use the A2A for shoulder periods ...
By Watcher , 3 hours ago
-
RE: Marvel Heating liquidation
The interesting thing about the IBG: when I called them...
By davidnolan22 , 7 hours ago
-
Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
The funding for the BUS grant appears to have been subj...
By Rob of York , 14 hours ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
JamesPa The chart explains well how the heat curve an...
By trebor12345 , 17 hours ago
-
RE: Free app: run the immersion / heat pump from Growatt battery & solar surplus – no Home Assistant
Please bear in mind, everyone, that in order to use thi...
By Majordennisbloodnok , 2 days ago
-
RE: The good, the bad and the not that great – my heat pump installation
@burtis Thanks for posting this and Im so pleased you ...
By JamesPa , 2 days ago
-
RE: I need help with Ecodan ASHP
@f1p It turns out there have been a solar panel install...
By Andris , 2 days ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews your installer would be right to say that the...
By GrahamF , 2 days ago
-
RE: Tradespeople on Their Phones: What’s Acceptable When They’re Working in Your Home?
Actually, that's a very important point. I've only ev...
By Majordennisbloodnok , 3 days ago
-
RE: Aerotherm and weather compensation
These are likely inked. The basic explanation is tha...
By JamesPa , 3 days ago
-
RE: Electrical works for air to air heat pump
agree with above. I have not had extra costs added wh...
By Batpred , 3 days ago
-
Good to hear that you found a solution. Absolutely a...
By Batpred , 3 days ago
-
RE: Are there any comparisons of DHW heat stores around?
@sarahemmm I have done things the opposite way round I ...
By Toodles , 3 days ago
-
RE: How will removing the standing charge on gas bills benefit heat pumps?
The BUS grant funding for 2026/27 will run out at the c...
By Rob of York , 5 days ago
Members Online
No online members at the moment

