Key Benefits Precise Thermal Protection: Fixed 105°F trip point ensures system safety by preventing heat exchanger damage

clean spark every cycle

Wide Operating Range: Performs reliably in extreme temperatures from -40

Can I adjust the height of the pilot burner during installation

Robertshaw 41-405 Hot Surface Ignitor Key Benefits Precise Thermal Protection:The Robertshaw 41 405 Hot Surface Ignitor is a high performance silicon carbide furnace igniter built for rugged reliability in demanding residential and commercial HVACR applications. Engineered with high purity recrystallized silicon carbide, this unit, also recognized as the Norton 271D, provides exceptional thermal strength and stable electrical resistance over its service life. As a veteran grade HVAC replacement part, it is the direct