9-inch Round Automatic Damper

Fail-safe, normally open operation | Quieter operation with fewer blades | Push-In Terminals | Galvanized steel single-blade damper, which closes off tightly against gasket for minimal leakage | Adjustable Range Stops are simple to use and easier to understand | Rated to operate up to 1-inch wc | Can be field-converted when used as an independent zone or for fresh air intake | Heavier blade construction for longer life | Mechanical Position Indicator for the damper blade | Round damper with 24-volt, spring-return damper actuator | Simple, easy-to-wire, two-wire installation