7624A3591 Furnace Limit Switch L180F fits for Coleman Evcon York Luxaire

Key features

• Essential Overheat Protection:​ The 7624A3591 Furnace Replacement Limit Switch L180℉ is a critical safety device that automatically shuts off the burner if the plenum overheats, preventing equipment damage and fire hazards. With a 180°F manual reset trigger and single-pole normally closed (SPNC) design, it ensures dependable operation in temperatures from -40°F to 250°F, making it perfect for home and light commercial gas furnace HVAC systems.
• Premium Build Quality for Long Service Life:​ The Limit Switche L180F is constructed with high-quality aluminum alloy and thermoplastic materials for excellent electrical conductivity and durability. The center insulator is made of ceramic, offering superior heat resistance , ensuring stable performance even under extreme conditions.
• Broad Brand & Model Compatibility:​ Direct replacement for York (GTA060/GTS090/Affinity LX100), Coleman (COAT066BDD/COAT084BDD/DGAA075/Evcon), Luxaire (GSH080/GSL110), and Tempstar (NXA060/NXC090) gas furnaces (forced air/condensing types). Supports 60,000–120,000 BTU units; not for oil, electric, or industrial furnaces. Replaces OEM numbers S1-7624A3591, 7624A3591, 7624-A3591, 7624-A359; also fits for S1-7706A3591, S1-7706-3591, S1-7724-3791, S1-7675-3591, S1-7990-3591, and third-party models like L180MR and 47-21504-01.
• Quick & Hassle-Free Installation:​ The 7624A3591 Furnace Replacement Limit Switch L180 is designed for easy DIY installation using snap-on or screw-fixed mounting on the furnace upper section near the heat exchanger air outlet. Includes 6.3mm plug-in quick terminals with 3in silicone high-temperature wires—no wire stripping needed. Connects directly to both 24VAC control circuits and 120/240VAC main power circuits.
• Usage Notes:​ Furnace Limit Switch S1-7624A3591 only fits 180°F manual reset upper limit switches—not for automatic reset or other temperature ratings (e.g., 160°F/200°F). Works with single-stage and two-stage gas furnace control systems. IP20-rated for closed furnace interiors; avoid outdoor or humid environments to maintain optimal HVAC safety performance.

Free shipping included. 30-day hassle-free returns.