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![NFBUP](https://www.csairproducts.com/media/product/234/nfb.jpg)
Model NFBUP
2-Position Spring Return
120 VAC
The NFBUP spring-return actuator is intended for on-off, fail-safe control of dampers used in HVAC systems. Control is on-off from an auxiliary contact, or a manual switch.
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