Lennox 16F18 Low Ambient Kit 323080-701 Do I need to replace

Do I need to replace the defrost thermistor when installing this board

1-phase power supply

Use this unit to provide immediate relay activation without the typical startup delays found in thermal relays

Direct Cross-Reference: Identical in form and function to part number LH32DB202

Lennox 16F18 Low Ambient Kit 323080-701 Do I need to replaceFor contractors managing 16F18 compatible rooftop units or split systems, the Lennox 16F18 Low Ambient Kit is a critical field installed accessory for maintaining stable head pressure during cold weather cooling demands. This kit utilizes an ICM333 variable speed controller and high accuracy pressure transducers to modulate condenser fan speeds based on liquid line conditions. Instead of traditional fan cycling, which can cause erratic pressure swings