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	RE: Surge Protection Devices By JamesPa, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	I am not missing that, I assure you! I am trying (and failing) to find in Vailant's documentation, the underpinning for your statement: I reiterate that, whilst I agree with your final sentenc...
	RE: Surge Protection Devices By Transparent, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	The additional profit being made the installers.
	RE: Surge Protection Devices By JamesPa, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	I agree with your final sentence but where exactly in the Vaillant documentation does it say this. Neither my Vaillant documentation, nor the document @trebor12345 produced, requires an RCD at all. ...
	RE: Surge Protection Devices By Transparent, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	The issue isn't DC leakage. Type-B RCDs and RCBOs will trip correctly despite the waveform having a DC component present. You need the contacts to open when there is a genuine difference of 30mA or mo...
	RE: Renewables & Heat Pumps in the News By Jeff, 4 days ago Forum Renewables News
	Where the grid is heading? Input from Kraken.
	RE: Surge Protection Devices By Batpred, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	@jamespa I suggested to have a Contactum RCBO and the installer´s anxiety was very clear! Obviously the Hager CU is worth it, to avoid the emergency electricians that he had in the past. And not know...
	RE: Surge Protection Devices By JamesPa, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	@batpred of course you could just leave out the RCD altogether which is what my electrician did.
	RE: Say hello and introduce yourself By Singlespeed, 4 days ago Forum Introductions, Forum Rules & Updates
	@editor I watched some of the videos on Grahams heatpump channel and they look to be well put together. Importantly the controller seems to be a lot more user friendly than the Midea. However there do...
	RE: MCS 2.0 - Changes in January 2025 By Batpred, 4 days ago Forum Government Schemes, Regulations, Training, Planning & Organisations
	Yes, and by the looks of it, much of the paperwork is not even standardised. How complicated would it have been to mandate a single reusable heat loss survey format? But of course, that would enable c...
	RE: Plug and play solar. Thoughts? By Batpred, 4 days ago Forum Solar Photovoltaic (PV)
	@jamespa Yes, unfortunately our policymakers learned to be very cautious, as they are under funded and over reliant on industry. Consumers are paying for poor regulation, but few politicians are will...
	RE: Surge Protection Devices By trebor12345, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	The electrician was an employee of the company that performed the HP design and installation. As part of the design process I felt it was a mandatory requirement.
	RE: Surge Protection Devices By Batpred, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	Based on what I was told and read, because Vaillant and Hager collaborated to design this heatpump RCCB model. So marketing appears to have used that as a springboard. Most of the electricians seem to...