The Homematic IP switching actuator for heating systems is part of the Homematic IP smart home system and enables the switching of up to two electrical consumers. The universally applicable switching actuator is supplied with 230 V mains voltage and can easily be used to switch circulating pumps, circulation pumps, boilers, electric radiators and other electrical consumers with a maximum output power of 3680 watts. The actuator also has a second changeover contact, which can be loaded with a maximum of 1150 watts. The switching actuator for heating systems evaluates the heat requirement of the installed Homematic IP radiator thermostats throughout the home and switches the circulation pump or the boiler according to the requirements.