Robertshaw 41-408 Hot Surface Ignitor always verify the core is

always verify the core is seated and torque-tested before pressurizing the line

this hub prevents axial runout and minimizes mechanical stress on the motor bearings

and 9000 series

OEM Compatibility: Specifically designed for Reznor F

and Luxaire electric heating units

Robertshaw 41-408 Hot Surface Ignitor always verify the core isThe Robertshaw 41 408 Hot Surface Ignitor is a high performance silicon carbide furnace igniter engineered for precision in HVAC gas ignition systems. Built with high purity recrystallized silicon carbide, this 120V HSI replacement offers superior thermal and physical strength, maintaining stable electrical properties even under extreme cycling conditions. Featuring a Norton 271N factory configuration, it is designed for a rapid 17 second heat up time