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and ER402 models to ensure a reliable seal
Standardized Connections: 3/8" x 5/8" ODF external dimensions simplify field brazing and retrofit installations
Slant Design Efficiency: Optimized airflow patterns through the slant coil layout improve dehumidification and cooling capacity
protecting the system from the corrosive effects of moisture and lubricant breakdown
providing a precise fit that prevents bypass leaks and pooling
Lennox 56W25 Limit Switch 321702-401 and ER402 models to ensureThe Lennox 56W25 Limit Switch is a critical OEM replacement part designed for high limit temperature monitoring in Lennox, Armstrong, and Ducane furnace assemblies. This normally closed safety component features a 3 inch insert length and operates on an automatic reset logic, ensuring the system remains protected without requiring manual intervention after a thermal event. It is engineered with a precise 250F cut out (open) temperature and a 220F cut
US$ 319.60
US$ 319.60