The Carrier 60TX25 (HH18HA199B, 330755) Limit Switch ? L200F is a genuine OEM high-temperature safety switch used in Carrier, Bryant, and Payne heating systems. Rated for 200F (L200F), this limit switch protects the furnace by shutting down the burners if the internal temperature exceeds safe operating levels. A failing switch may cause overheating, short cycling, or system shutdowns?making timely replacement essential for safe, reliable furnace performance. Key Features OEM high-limit safety switch for Carrier furnace systems Temperature rating: L200F (opens at 200F) Prevents overheating and protects heat exchangers Ensures safe and efficient furnace operation Durable, heat-resistant construction for long service life Direct-fit replacement for numerous Carrier 50DJ, 50HCD, 50KCQ, 48TM, and similar units Specifications Model: 60TX25 Alternate Models: HH18HA199B, 330755 Type: Furnace Limit Switch Temperature Rating: L200F Function: Overheat protection / system safety control Application: Carrier, Bryant, Payne gas furnaces (various models) Compatible Models (Shortened List): 50HCD086A 50KCQA041A 50HCD125A 50HCD121A 50DJ007110 50DJ012600 50DJ006150 50DJ009530 48TM400924 50DJ007620 ?and more. Why Choose This Item This limit switch offers precise temperature protection, OEM-level reliability, and easy installation, ensuring your furnace operates safely and efficiently. Replacing a worn or faulty L200F switch helps prevent overheating, extends system life, and keeps your Carrier heating system running dependably during peak seasons.