Constructed with high-stability metalized polypropylene film

Durable construction resists thermal stress and clogging from fuel impurities

the 1171306 is the direct replacement for 1177663

Durable Construction: Features high-grade materials for maximum protection against corrosion and erosion

York S1-025-38737-000 Limit Switch Constructed with high-stability metalized polypropyleneThe York S1 025 38737 000 Limit Switch is a critical safety component designed for precise thermal monitoring within York, Luxaire, and Coleman gas furnaces. This automatic reset limit switch is engineered with a trip point range of 140 160F, ensuring the system shuts down the burner if heat exchanger temperatures exceed safe operational limits. As a genuine OEM replacement part, it ensures exact fitment and maintains the original equipments safety