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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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Latest Posts
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Have you considered keeping your FF boiler and suppleme...
By Old_Scientist , 11 minutes ago
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RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 2 hours ago
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RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 2 hours ago
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RE: Wood burner with ASHP - direct air?
For what it's worth I installed a wood burner in this o...
By BlizzardGreen , 3 hours ago
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@editor Thanks for your response and recommendations. ...
By DavidB , 10 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 24 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
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RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 4 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 4 days ago
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I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 6 days ago



