This updated six page technical brochure conveys specification data including performance, material and dimensional information specific to Caleffi's Z-one™ zone valves. These valves are used to automatically shut-off the flow or redirect hot and chilled water in hydronic heating and air conditioning systems.

The motorized two position, on/off, spring return Z1 series actuator has an end mounted push button for quick installation to valve body. The actuator is equipped with or without auxiliary switch and configured Normally Closed or Normally Opened with wire or terminal connections.The zero leakage high temperature zone valve body Z2 series is a two-way straight through and the valve body Z3 series is three-way diverting. The high temperature and high close-off performance characteristics of these zone valves, combined with the compact size, makes them suitable to fit inside a baseboard or directly in fancoil units.