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protecting the piping system's overall lifespan
Industrial Durability: Engineered to handle hot water
consistent electrical signal
Engineered for use with a 1/2 inch splined shaft
provided the switch is mounted according to the manufacturer's orientation requirements to prevent moisture accumulation in the pressure switch ports
Robertshaw 41-403 Hot Surface Ignitor protecting the piping system's overallThe 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
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