York Parts S1-7990-3591 Gas Furnace Limit Switch

Gas Furnace Limit Switch (York Parts S1-7990-3591) is a reliable safety device with a manual reset designed for downflow gas furnaces. It is a compatible replacement for DGAT, DGAM, and DLAS hot surface ignition systems, delivering dependable burner control and overheating protection in residential and light-commercial applications.

Engineered for seamless compatibility with York replacements, this limit switch matches the electrical ratings of DGAT, DGAM, and DLAS units with hot surface ignition downflow furnaces. Its compact footprint and straightforward wiring minimize downtime during installation, making it ideal for service calls and replacement projects. In addition, the durable design ensures reliable operation in typical furnace environments, contributing to long-term performance and safety.

• Type: Limit Switch, Manual Reset
• Applications: Used on DGAT, DGAM, DLAS hot surface ignition downflow gas furnaces
• Safety: Protects against overheating and prevents unwanted burner operation
• Durability: Rugged housing designed for long-lasting performance in furnace environments
• Compatibility: York Parts S1-7990-3591 as a reliable replacement part

Maintain safe and efficient furnace operation with this trusted York Parts limit switch.