When the internal plenum temperature reaches approximately 180°F

Efficient Start-Ups: Provides the critical torque needed for compressors to cycle properly

High Reliability: Double break contacts minimize arcing and extend the mechanical life of the 40A contacts

indicates the seal has failed

or a failing blower motor capacitor

Robertshaw 41-418 Hot Surface Ignitor When the internal plenum temperatureReliable gas ignition in high demand heating systems requires a component that can withstand extreme thermal cycling. The Robertshaw 41 418 Hot Surface Ignitor is a heavy duty silicon carbide furnace igniter engineered for professional grade performance in residential and commercial HVAC units. This unit features high purity recrystallized silicon carbide (Crystar) construction, which provides superior physical and thermal strength compared to