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I tried that way of wiring it but the heating wouldn’t come on and there seems to be no wiring going to the boiler from the tank

Old style system

And that’s from the boiler so run a new wire in the order as cover says 2is optional room thermostat just found out that it’s a gravity feed hw

And Looking around all different forums should there not be wires coming from 41 and 44 on the boiler

So the wiring at the programmer what wire goes where I have I wire from the boiler with one blue one brown and a earth and a second wire with one earth and one brown just a bit confused which wire should go where Thanks

Hi there I have a alpha e-rec 20s boiler and I’m trying to fit a hive dual receiver can someone help me with the wiring there is already two wires coming from the boiler but this fed a old style timer I think the wiring is not connected right can you help please see attached pictures coming from...