Belimo Z2ZN0072 Actuator 320720-756 The "BX" suffix denotes the

The "BX" suffix denotes the current production version

or a faulty reversing valve solenoid drawing excessive amperage can damage the onboard relays

Using this heat exchanger cleaning tool ensures that thermal transfer remains at peak performance

Common Questions & Technical Support Is the CNT6951 compatible with both natural gas and propane systems

Can this bearing be used in high-temperature exhaust fans

Belimo Z2ZN0072 Actuator 320720-756 The "BX" suffix denotes theThe Belimo Z2ZN0072 is a robust 2 way zone valve actuator and valve body assembly designed for precision hydronic flow control. Operating on 120V AC line voltage, this normally closed (NC) configuration ensures critical fail safe positioning during power loss. With a 3. 5 CV flow coefficient and a 3 4" NPT connection, it manages medium flow HVAC applications with minimal pressure drop. The forge brass Belimo zone valve body is rated for a 30 PSI close