Trane KIT9660 Conversion Kit Freon it maintains reliable performance under

it maintains reliable performance under pressure

Signal Integrity: Provides robust isolation between high-voltage power loads and low-voltage control circuits to protect the CCB (Central Control Board)

Always verify the voltage and port size (3/4" vs 1/2") before swapping

This HVAC mounting hardware simplifies the alignment of thermostat subbases

Trane KIT9660 Conversion Kit Freon it maintains reliable performance underThe Trane KIT9660 Conversion Kit is a critical OEM replacement engineered to modernize flame detection in legacy forced air systems. As the direct replacement for CNT1643, this radiant to flame sense conversion kit transitions aging furnace architectures from obsolete radiant sensing to contemporary flame ionization technology. This upgrade is foundational for technicians looking to resolve intermittent ignition failures and improve flame detection