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utilizing this exact replacement O-ring is critical for restoring system performance and preventing localized corrosion at the cleanout port
As an essential component for secondary heat exchanger management
the electrical characteristics and opening speeds are tailored to Lennox combustion blowers and igniters
always verify the required cable run to avoid tension on the motor housing
With flexible options like Auto-Return temperature resets and No-Occupancy Auto-OFF
Ruskin FDR25-08 Damper 328140-751 utilizing this exact replacement O-ringThe 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