Robertshaw 41-409 Hot Surface Ignitor High Voltage Compatibility: Rated for

High Voltage Compatibility: Rated for up to 350V AC

reducing diagnostic errors

You must match the specific OEM temperature rating to ensure the safety circuit activates at the manufacturer’s specified safety limit

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

the 1171306 is the direct replacement for 1177663

Robertshaw 41-409 Hot Surface Ignitor High Voltage Compatibility: Rated forThe Robertshaw 41 409 Hot Surface Ignitor is a high performance silicon carbide ignitor engineered for demanding HVACR applications. Constructed from high purity recrystallized silicon carbide (Crystar), this 120V AC furnace ignitor maintains exceptional thermal strength and stable electrical resistance over extensive 15, 17, and 45 second ignition cycles. This 271M series component is designed for precise compatibility with residential and commercial