Always verify the specific resistive or inductive derating curves for your DC application

Durable Construction: Features extruded aluminum blades and reinforced internal gears designed to withstand high-static environments up to 1 in

offering improved torque density and a split sleeve for easier maintenance

Universal System Compatibility: Direct drop-in replacement for 05-4170-08 across brands like FS Curtis

This genuine Totaline replacement part maintains the structural integrity of the furnace’s safety circuit

Resideo RRD7 Damper 321894-709 Always verify the specific resistiveThe Resideo RRD7 Damper is a 7 inch retrofit round damper designed for seamless integration into existing rigid ductwork. Built for zoning system installations, this unit features a three wire floating actuator that provides precise control over airflow. Operating on 24Vac, the power open power closed motor ensures the blade remains in its last position during power loss, preventing total zone failure. The honeywell home RRD7 is engineered with a high