The switch is engineered to trip and fixed open at 170°F if overheating occurs

While typically used for system clean-up after a burnout

Installing a switch with a different setpoint can cause the furnace to run under unsafe conditions or result in constant ignition failure codes

This 3" probe is designed for specific Trane and American Standard upflow and downflow furnaces

ASCO 8210G94-24VDC Solenoid Valve Refrigerant The switch is engineered toThe ASCO 8210G94 24VDC Solenoid Valve is an internal pilot operated 2 way normally closed (N C) valve, engineered for high flow reliability in HVACR and industrial fluid control. Featuring a 1 2" NPT threaded connection and a robust brass body, this general service valve provides a 4 Cv flow capacity for air and water applications. It is equipped with NBR (Buna N) seals, enabling it to handle media temperatures up to 180F, while the NEMA 4X enclosure