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The Lennox 21L89 Limit Switch is a critical safety component designed for precise thermal regulation in Lennox HVAC systems
Whether you are integrating a 24V control circuit or expanding BAS peripheral capacity
35-inch outside diameter and a 1-1/8 inch fixed bore with a standard keyway
Direct OEM replacement for 8604-089
High Load Capacity: Rated for 40 amps to handle the startup inrush current of large residential and light commercial compressors
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