Belimo ZONE24NO-S Actuator 318423-701 An open circuit in a

An open circuit in a cool state indicates the switch needs to be reset or replaced

This unit is optimized for HVAC fire safety applications where consistency and durability are non-negotiable for building code adherence

Maintains airtight combustion seals to prevent carbon monoxide leakage into the living space

Check the 6000 PPM temperature-resistance curve to confirm accuracy at different ambient levels

Belimo ZONE24NO-S Actuator 318423-701 An open circuit in aFor contractors requiring dependable zone control, the Belimo ZONE24NO S actuator delivers robust performance in hydronic heating and cooling systems. This spring return valve actuator is engineered for precise On Off control, operating efficiently on 24V AC DC power. Its normally open configuration ensures fail safe operation, returning to its open position upon power interruption, a critical feature for maintaining system integrity. The integrated