White-Rodgers 3L09-4 Limit Switch this 100277953 volute gasket provides

this 100277953 volute gasket provides the high-tolerance seating required for professional-grade service

this part is essential for maintaining tight shutoff and preventing bypass leakage in closed-loop HVAC systems

Key Benefits: Ensures combustion safety by detecting flames exiting the heat exchanger transition

The Tygothane tubing construction provides superior flexibility and chemical resistance compared to standard vinyl

allowing for direct hardwired connection to your controller's analog input without requiring additional conduit in many jurisdictions

White-Rodgers 3L09-4 Limit Switch this 100277953 volute gasket providesThe White Rodgers 3L09 4 Limit Switch is a 1 2 inch bimetal disc control engineered for critical thermal protection in residential furnaces and air handling units. Designed for high speed contact separation, this SPST board mount limit switch functions on a fixed thermal profile, featuring a 150 degree F open temperature and a 130 degree F close temperature. With a 3. 12 inch insertion length, this plenum high limit control ensures the sensing element