providing greater flexibility for field modifications

as long as the controller is configured to accept a 10k ohm Type II NTC thermistor curve

Technicians typically apply a liberal coat to the sensing bulb before insertion

making it an ideal choice for powering sensitive sensors

Precision dimensions allow for accurate seating and consistent bolt loading during installation

Robertshaw 41-403 Hot Surface Ignitor providing greater flexibility for fieldThe Robertshaw 41 403 Hot Surface Ignitor (271M) is a heavy duty silicon carbide igniter designed for consistent ignition in 120V AC heating systems. As a veteran grade furnace replacement part, this unit features high purity recrystallized silicon carbide construction (Crystar), providing the structural integrity needed for demanding cycles in boilers, rooftop units, and infrared burners. It serves as the direct Robertshaw 41 403 cross reference for