Eaton CMMZ-00/54 is the xComfort heating actuator connection unit for waterborne heating systems, providing the mounting housing for the Alpha Basic 6-zone controller with LED indication. It serves as a connection interface between the actuator electronics and the field wiring to zone valves and thermostats. Supplied as an accessory, manufactured in India. Typical applications include hydronic underfloor heating manifolds under xComfort wireless zone control.