Ruskin FDR25-08 Damper 328140-751 always verify the required cable

always verify the required cable run to avoid tension on the motor housing

As an essential component for secondary heat exchanger management

Durable Construction: Fabricated from industrial-grade steel to resist oxidation and scale buildup in high-temperature environments

and Coleman furnace control boards without field programming

With flexible options like Auto-Return temperature resets and No-Occupancy Auto-OFF

Ruskin FDR25-08 Damper 328140-751 always verify the required cableThe Ruskin FDR25 08 is a high performance 8 inch round fire damper engineered for seamless integration into fire rated partitions and HVAC ductwork. This true round fire damper features a 1 1 2 hour fire rating and integrates a 165F fusible link, ensuring positive closure and code compliant fire containment when ambient temperatures exceed safety thresholds. Built by a leader in airflow control, the FDR25 08 utilizes a heavy duty galvanized steel