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Industrial Build: Heavy-duty aluminum construction resists corrosion
that is a classic symptom of a dirty or defective flame sensor failing to send a signal back to the board after ignition
Enhanced Durability: Built for high-cycle commercial environments
High Thermal Tolerance: Safely handles low pressure steam service up to 250°F
protecting sensitive electronic controls and preventing fastener loosening
Trane THT0485 Limit Switch 318423-701 Industrial Build: Heavy-duty aluminum constructionThe Trane THT0485 Limit Switch is a critical fixed temperature safety component engineered for precise thermal monitoring within HVAC furnace gas fired heating assemblies. Operating on a 115 140F temperature range, this automatic reset limit switch serves as a primary high limit safety control, monitoring heat exchanger temperatures to prevent thermal runaway. Designed specifically for Trane and American Standard residential furnaces, the THT0485