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@javi19 Yeah, indeed. TBH it's some random component from Alixpress, and I don't trust it to handle 13A (even though it claims to be rated for 16A) my plan is to get it to switch a chunkier more trustworthy relay.

@javi19 Some sort of heat pump will probably be in my future, but for now I'm keeping my ancient but simple gas boiler ticking over until it becomes uneconomical to repair.

@javi19 That's an interesting looking device, but I've got home assistant running and a Raspberry Pi ready that can connect to the inverter, so I'm going to monitor it all locally. I've also got a ZigBee relay ready which I'll hook into the emersion heater.

@churchstumblingblock I was looking at those cards with a bank of relays on, but I'd need a sepearte controller and power supply in the airing cupboard. I spotted a din mounted ZigBee relay on Alixpress, so I'm going to give that a try.

@churchstumblingblock Yep I've got those too, some temperature sensors, a power monitor clamp and a couple of displays. My bedside clock is an esp32 🙂

@ghaynes Yep that's the plan, I need to get solar input and battery status into home assistant somehow, my expected inverter has a bunch of data ports I'm hoping to use there. I've already got HA controlling some other bits, and I'm also trying to get it to work with some TRVs so I can get...

@ghaynes Thanks for this writeup, it's timely as we're getting solar panels and a battery installed soon. Our 1970s house isn't as well insulated as yours, but it's got about as much as we can. One of the things I'm interested in is automating things to come on more when there's lots of spare...