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: Nov 6, 2026
I just read that article, @jamespa It seems the bodies are beginning to pile up...
OP wrote: So I'd be interested to know where the feed to the new CU is supplied from...... and what size cable it has between the two units.
Hager CDB540HP is a Residual Current Circuit Breaker. Here's the English text in the Installation Manual.It measures current which leaks to earth. ...
I'm 90% certain that the device you have does not operate as over-current protection. The number of Amps stated on it are the rating of the contacts...
There's usually a group of people on the beach at Dover who know what details can be used to populate option-fields in UK Government forms.
@toodles - UK Immigration also offers an App which you can use to verify that your passport NFC chip is correct. Try downloading that from the iPhon...
Although we can't see the part number on that photo above, I assume that the Hager RCD in the upper consumer unit is this one.See the short-form techn...
Thanks Tim. As before, there's too little data to make any firm conclusions. Your neighbour's log-file (at 15min intervals) might be showing the a...
It's not that other passport users may or may not have had a similar experience, but that the particular App doesn't conform to the specification. P...
@tim441 to my mind, this intervention by SSE hasn't told us what we need to know. The DNOs reading is clearly less than is being reported to you by ...
This is a failure in the code in the App you used to read the Passport chip. There are directions issued by the Home Office to developers who intend...
- 27 Forums
- 2,811 Topics
- 66.5 K Posts
- 2,022 Online
- 7,222 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Renewables & Heat Pumps in the News
@temperature_gradient There is a good summary of the...
By Rob of York , 4 hours ago
-
RE: Heat Geek installations: share your experiences
@batpred I have a 400% Combined Minimum Performance gu...
By L8Again , 5 hours ago
-
RE: DIY powerflushing tutorial
The problem is that while inhibitors inhibit metal corr...
By Pirate Rich , 6 hours ago
-
RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
@etchedpixels thank you for the advice paid cash all...
By Chilli304 , 15 hours ago
-
RE: Why don't people choose heat pumps?
Savings you need to consider versus the investment valu...
By EtchedPixels , 1 day ago
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders An interesting conversation to have ...
By Rob of York , 1 day ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
Yes, in my case, the ISP hub is permanently there, they...
By Batpred , 2 days ago
-
RE: Electricity price predictions
@rob-of-york sounds like a term that Heidegger would...
By Papahuhu , 2 days ago
-
RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 2 days ago
-
RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 2 days ago
-
RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 2 days ago
-
I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 2 days ago
-
RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 4 days ago
-
RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 5 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 5 days ago
Members Online
No online members at the moment



