Greenheck 853643 Spark Igniter/Flame Sensor Kit 321702-401 Contractor Grade: Built to withstand

Contractor Grade: Built to withstand the high-temperature environments typical of combustion chambers and furnace vestibules

securing the HVAC system reliability that contractors expect during split system repair

This HVAC zone valve operates within a wide medium temperature range of 35°F to 250°F

Complete Sealing Kit: Includes high-grade gaskets to maintain a 150 psi operating pressure rating and prevent steam bypass

Greenheck 853643 Spark Igniter/Flame Sensor Kit 321702-401 Contractor Grade: Built to withstandThe Greenheck 853643 Spark Igniter Flame Sensor Kit is a critical OEM component for ensuring reliable ignition and consistent flame rectification across various indirect fired gas heaters and makeup air units. This dual purpose assembly streamlines maintenance by combining the high voltage spark electrode and the flame monitoring rod into a single robust unit. Designed to withstand the thermal stresses of continuous operation, the 853643 igniter kit