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Hi Eric Thanks for the info I’ve linked the com and also the lr and ls from the boiler. The WiFi thermostat is now working and firing the boiler. But the central heating system won’t work now on the mechanical timer on the boiler. The boiler is a Worcester 34cdi with a mt10 timer. Any ideas...

HI Guys Im trying to wire up my wet ufh system to my boiler via heatmiser uhf4 wiring centre and a fastwarm wifi stat. I want to run the underfloor heating through a seperate wifi stat rather than the the mechanical boiler stat. I cant seem to get the stat to fire the boiler and the only way...