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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Since this is a normally closed (NC) switch
High-Quality Construction: Manufactured to rigorous factory standards for dependable operation in demanding thermal environments
engineered for precise electrical integration within Nordyne HVAC systems
Technician-Grade Build: Engineered for resilience in high-cycle-demand HVACR environments
Trane THT0660 Limit Switch 30067439-890 Since this is a normallyAs a field tested professional, you know that a failing limit switch is often the culprit behind frustrating short cycling or total system lockouts. The Trane THT0660 is a genuine OEM limit switch designed specifically for precision thermal monitoring in Trane and American Standard HVAC equipment. Utilizing bi metal technology, this auto reset switch features a 155F opening threshold to prevent heat exchanger damage and a 115F closing point for safe