Actuator 24 V AC/DC, for underfloor heating, M30 x 1.5, suitable for almost any heating circuit distributor Homeatic IP, Heimeier, and much more.

Eazy Systems Thermal Actuator 24V AC/DC, M30X1,5, 2Wire, Floor Heating

Homematic IP Smart Home Wall Thermostat, White, 55 x 55 x 23,5 mm / 86 x 86 x 25 mm

Möhlenhoff K11111 Actuator for Underfloor Heating 230 V, Type VA80 Suitable for Heimeier/Kermi/Roth/Herb/Thermoval and Others, Light Grey