Compatibility with standard half-inch shafts and the inclusion of a universal mounting bracket streamline field installation for contractors

Enhanced System Safety: Provides essential protection against restricted return air or dirty filter conditions

once the 135°F fixed temperature thermal sensor is activated

it incorporates a durable stainless steel burner head capable of withstanding high-temperature firing cycles

including geothermal heat pumps and air handlers

Resideo RRD8 Damper L99H008 Compatibility with standard half-inch shaftsThe Resideo RRD8 is a high performance 8 inch retrofit round damper designed Specifically for contractors looking to integrate reliable zoning into existing rigid ductwork. Built with a heavy duty galvanized steel frame, this power open power closed unit eliminates the need for cutting out large sections of trunk line. Its 24Vac 3 wire floating actuator provides precision airflow control, featuring a 90 second cycle time that prevents the air hammer