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The Belimo FSNF120US fire and smoke actuator is designed for damper applications. This actuator provides reliable performance with a spring return system. It allows for true spring return operation, ensuring positive close-off on UL555S dampers.
Engineered for safety, this actuator delivers constant torque to the damper with and without power. Ideal for HVAC systems requiring dependable fire and smoke management.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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