Carrier LH33WZ015 Flame Sensor 318423-701 Standardized Timing: Fixed 15-second pre-purge

Standardized Timing: Fixed 15-second pre-purge and 4-second TFI provide consistent

Does the package include the metal retaining ring

Simplified field installation utilizing standard power leads and existing mounting hardware for reduced labor time

Operational Efficiency: Eliminates pressure drops and slow response times caused by worn internal valve components

Efficient Flow Control: A high 13

Carrier LH33WZ015 Flame Sensor 318423-701 Standardized Timing: Fixed 15-second pre-purgeThe Carrier LH33WZ015 Flame Sensor is a critical OEM replacement part designed for precision flame rectification in high efficiency gas furnaces. This genuine furnace flame sensor features a high temperature Kanthal flame rod capable of withstanding extreme combustion environments up to 1800F. As a vital safety component, it monitors the burners ignition status, sending a microamp signal to the furnace control board to maintain the gas valve opening.