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	RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed? By Painter26, 5 days ago Forum Air Source Heat Pumps (ASHPs)
	Thanks @cathoderay - my understanding too, although I take the petrol pump to mean the compressor is running to actively heat whatever it should be. And that as long as the water circulating the syste...
	Surge protection devices SPDs By Batpred, 5 days ago Forum Energy Storage
	The IET's "electricians rulebook" BS7671 mentions the use of these types of devices to protect both the CU devices and electrical appliances from surges induced by lightening. Manufacturers of consume...
	RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed? By cathodeRay, 5 days ago Forum Air Source Heat Pumps (ASHPs)
	I think that is correct, and it is what happens on mine. I think the squiggles mean 'on' but not necessarily 'active' which is how you can have squiggles on the left above the rad icon and on the righ...
	RE: Setback savings - fact or fiction? By RobS, 5 days ago Forum Air Source Heat Pumps (ASHPs)
	🙂 I wasn't suggesting the Romans had a complete model but two millennia ago they could heat a building to three different temperatures with some consistency in climates as different as North Africa an...
	RE: Designing heating system with air to water heat pump By bobflux, 5 days ago Forum Air Source Heat Pumps (ASHPs)
	I use Home Assistant for its strong points: excellent user interface, ability to interface with anything, and of course Zigbee2MQTT. However HA's automation features are almost non existent and its da...
	RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed? By Painter26, 5 days ago Forum Air Source Heat Pumps (ASHPs)
	Something I've never been sure of is whether the hot water 'squiggly lines' should always be visible even when you want space heating active. I understood that the squiggles should only appear if you ...
	RE: Buying large amp bidirectional RCD and RCBO By bobflux, 5 days ago Forum Energy Storage
	Yes... I went through this particular headache and ended up with NH00 fuse holders / disconnectors. Very robust and reliable, since they're just fuses and contacts. Yanking the handle pulls the fuses ...
	Mitsu PUHZ120Y 'Outdoor Temp 'error? By DavidAlgarve, 5 days ago Forum Air Source Heat Pumps (ASHPs)
	Attachment : Screen Shot 2026-02-28 at 16.05.12.png I have not paid too much attention to "Outdoor temperature" previously, but a problem this morning prompted me to consider it. This is from my M...
	RE: Heat Pump Fuse Type By Transparent, 5 days ago Forum Air Source Heat Pumps (ASHPs)
	O-oh! Let's take this as an opportunity to 'pass the word' about bi-directional RCBOs onward to the professional electrician community!
	RE: Heat Pump Fuse Type By Jancold, 5 days ago Forum Air Source Heat Pumps (ASHPs)
	@transparent It was fitted just before Christmas 25! So not good.