The Nordyne 661104R Pilot Assembly is a fundamental OEM replacement component for standing pilot ignition systems in specific furnace platforms

Proper installation of this internal high limit switch is essential for maintaining the safety sequence of operation and protecting the primary heat exchanger from excessive thermal stress

this unit delivers highly accurate resistance-to-temperature curves essential for advanced building automation systems

For a complete inducer overhaul

What is included in the package

Robertshaw 41-406 Hot Surface Ignitor The Nordyne 661104R Pilot AssemblyThe Robertshaw 41 406 Hot Surface Ignitor (Manufacturer Model 271Y) is a professional grade heating system component engineered for high performance ignition across a wide range of HVAC applications, including furnaces, boilers, and unit heaters. This Norton hot surface ignitor is constructed from high purity recrystallized silicon carbide (Crystar), which provides the necessary thermal strength and stable electrical properties required for consistent