RMDDRBK | RMDDRBK | BROAN-NuTone

**RMDDRBK Broan-Nutone Roof Curb Damper** The RMDDRBK is a roof curb damper designed for use in commercial and industrial ventilation systems. It is made of 24-gauge galvanized steel and features a galvanized steel blade. The damper is operated by a chain hoist and has a fusible link that releases the blade in the event of a fire. The RMDDRBK is suitable for use in both exhaust and supply air systems. It is available in a variety of sizes to fit different roof curb openings. The damper is also available with a variety of options, including a motorized operator, a smoke detector, and a temperature sensor. Shop our HVAC supply store for your RMDDRBK roof curb damper today! We offer the best prices and fast shipping on all of our products.