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Last seen: May 14, 2026
An earth fault on a TT derived supply (typically but not exclusively overhead lines) will often not trip an MCB/Fuse (or at least not disconnect the f...
@jamespa What I would think of as abnormal would be the heat pump cycling on every small blip in another otherwise fairly consistent OAT, as oppose...
I'd like to highlight two points. 1. Regarding SPDs Most electricians are going to be guided by manufactures instructions and the IET's BS7671. ...
No, I was trying to explain that an RCBO has the functions of an MCB and RCD combined in to a single device. See @transparent 's various replies fo...
I'll let @transparent reply to the points in the above posts as they appear knowledgeable and doing a good job of sorting out the confusion that has o...
The photos show a 16A, C curve, type A RCBO. A RCBO combines the function of an RCD and MCB. The RCD component of the breaker is Type A, 30mA. T...
We recently (Aug 25) had a Grant Aeorana 3 installed under a Eco grant. Initially set with 48degC fixed flow temp for space heating no schedule jus...
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Degrees of Separation
Latest Posts
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RE: How much of your renewable and home setup would still work if the internet went down?
Agree but remember to retain your isp router as they wi...
By JamesPa , 42 minutes ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders Reluctantly I think i agree with @r...
By JamesPa , 48 minutes ago
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RE: Why don't people choose heat pumps?
It's swings and roundabouts - during off-peak periods t...
By Temperature_Gradient , 2 hours ago
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RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 9 hours ago
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RE: Electricity price predictions
great session Reminds me why some politicians can be ha...
By Batpred , 9 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 9 hours ago
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RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 13 hours ago
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I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 17 hours ago
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RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 4 days ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 4 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 4 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 5 days ago
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