The Trane CNT3670 is generally an automatic reset limit switch

Common Questions & Technical Support: Why do I need a high-altitude specific switch

Direct OEM Replacement: Eliminates guesswork by matching factory specifications for Amana-Goodman furnace parts

Complete Internal Overhaul: Includes all critical wear parts—stem

York S1-025-32661-002 Flame Sensor Els PW 17895 The Trane CNT3670 is generallyThe York S1 025 32661 002 Flame Sensor is a critical component for maintaining reliable furnace ignition sequences in high efficiency York, Coleman, and Luxaire gas furnaces. This OEM flame rod utilizes flame ionization technology to detect the presence of burner flame, preventing the gas valve from remaining open if ignition fails. Built with a durable stainless steel probe and high grade ceramic insulation, it withstands the harsh thermal