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Constant Differential Performance: Ensures stable cycling with a fixed 6°F differential
This component provides critical modulating control for specialized air dampers
ensuring 321979-401 pin-for-pin compatibility with factory control boards
maintaining system pressure and preventing bypass leaks that often plague aftermarket alternatives
Can the alarm relay be used to shut down equipment
Belimo Z2ZN0072 Actuator 326058-758 Constant Differential Performance: Ensures stableThe 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
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