Availability: Included in the tado° package Slightly pull the adapter open and place it firmly over the thread at the back of the valve. Related ArticlesHow do I mount the adapter for Orkli M28 x 1.0 mm radiator valves to fit my Smart Radiator Thermostat?How do I mount the adapter for Giacomini 22,6 mm valves to fit my Smart Radiator Thermostat?How do I mount the adapter for Danfoss RAVL 25.5 mm with 4 notches radiator valves to fit my Smart Radiator Thermostat?How do I mount the adapter for Danfoss RAV 34 mm with 4 notches radiator valves to fit my Smart Radiator Thermostat?How do I mount the adapter for M28 x 1.5 valves to fit my Smart Radiator Thermostat?