Modern heating systems with convectors, radiators and underfloor heating, but also climate-controlled floors as well as heating and cooling ceilings are controlled via electrothermic servos. The Gira KNX heating actuator, 1-gang, is designed to integrate these servos into the building control via KNX. It controls the servos depending on KNX telegrams. With the Gira KNX heating actuator, 1-gang, Gira offers a variant for installation in a switch box (electronics box from Kaiser recommended). The Gira KNX heating actuator, 1-gang is equipped with three binary inputs. The outputs are connected via a flexible, approx. 20 cm long cable. The binary inputs and the KNX are connected via a 6-wire connection cable, approx. 30 cm in length, which can be extended to a maximum of five metres.