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The current box is a Drayton tp5000 simple two wire programmable timer/room thermostat it feeds back to room stat L and room stat R battery powered so definitely not 240. No standard back plate on it and no other boxes just direct back to boiler panel as per the boiler schematic

Thanks for that. Makes sense I’ll break out the multimeter and check ideally I’d like to remove and replace the existing box entirely it’s in the spot I want the hub, and it’s temperamental at the best of times. From my reading room stat L is the central heating switch and room stat R is the hot...

Electric boiler as we have no gas mains in the village, and no space for tanks. System used to be on storage heaters but has long since been replaced with radiators. The system all works fine if more expensive than ideal. The wiser system will definitely work with the boiler etc and the trvs...

Hi all, Just a quick sense check if I can. I have a Heatrae sadia electromax with a tp5000 two wired programmable room thermostat. Im looking at the potential of moving to a wiser smart system and specifically wiring the wiser hub. Am I correct in thinking I need to run new wire to connect...

Thanks, that sounds about right with what I was thinking/expecting. Just been nosing round the boiler and can confirm it is wired as per the below screen grab from the instructions. Off to compare this to the Wiser wiring diagrams now and see where I end up. Any further input on the wiring...

Hi all. We are considering a Wiser smart system install, complete with the trv valves etc. Our heating and hot water are both handled by a Heatrae sadia electromax and a danfoss tp5000 battery programmer/thermostat. Heating system is not zoned, but obviously water circuit as well as heating...

Thanks for the help, I am pleased to report the problem is now solved... and you were correct to a fashion lol. I checked the resistance as directed in your original reply, then again with leads off and got same readings although I noticed while rotating the tank to get at the contacts I could...

Hi again, I am getting a reading of about 7 from all 4 terminals to earth on the same setting (x1k Ohms) so assume thats 7000 ohms and therefore too low and the likely cause? I read 0 between the temp cut off and earth as well? Thanks

Hi thanks for the response, Its the RCD (twice the width of the others in the cupboard and has a small button/light top left) I will go test the earths now and report back, thanks. Joe

Good morning all sorry for the 'URGENT' request however it is Anyway We have a Mira Sprint 9.5kw, was working perfectly, aside from occasional low flow issues which were always solved by clearing out the internal filter. Anyway I digress, the shower is currently tripping the fuse when ever...

Good morning all sorry for the 'URGENT' request however it is Anyway We have a Mira Sprint 9.5kw, was working perfectly, aside from occasional low flow issues which were always solved by clearing out the internal filter. Anyway I digress, the shower is currently tripping the fuse when ever...