Belimo ZONE320S-50 Actuator 321702-401 Broad Operating Range: Rated for

Broad Operating Range: Rated for extremes between -40

ensuring the thermocouple or thermopile (depending on your specific valve configuration) sits correctly in the flame path for reliable millivolt production

maintaining exact port-to-port dimensions for seamless retrofitting without piping modifications

Critical Thermal Safety: Fixed L210 setpoint provides reliable high-limit protection for HVAC systems

Belimo ZONE320S-50 Actuator 321702-401 Broad Operating Range: Rated forThe Belimo ZONE320S 50 Actuator is a robust 3 way zone valve engineered for precise flow control in hydronic HVAC systems. This assembly features a 3 4 inch sweat connection valve body, ideal for seamless integration into copper piping. With a substantial Cv rating of 5. 0, it ensures efficient fluid handling for chilled or hot water applications, accommodating up to 50% glycol. The integrated spring return actuator provides reliable on off control,