w.Intercom = i;worcester 28i junior combi boiler. — tado° Community

worcester 28i junior combi boiler.

I have a Worcester combi boiler, tried wiring it in as per the diagram, the relay energises on the tado kit when testing, nothing happens on my boiler.. ive seen people refer to an ST9 connection but i dont have that..
Has anyone come across this?