White Rodgers 21D64-2 Silicon Nitride Ignitor Upgrade Kit 120 Volt

The White Rodgers 21D64-2 Silicon Nitride Ignitor Upgrade Kit 120 Volt initiates burner ignition by generating controlled thermal energy within the heating assembly during furnace start-up. It is positioned near the combustion chamber, it connects through electrical terminals to the ignition circuit, maintaining an aligned current transfer across the heating pathway. It maintaining consistent ignition readiness throughout repeated activation progression. By sustaining stable thermal generation and coordination across connected burner sections, it supports reliable fuel ignition and maintains consistent heating performance during normal operating cycles.