Trane KIT15943 IFC Kit 30067439-890 Dual-Purpose Design: Configurable for either

Dual-Purpose Design: Configurable for either mixing or diverting applications to suit various hydronic and steam circuit layouts

Key Benefits for Technicians Enables precise HVAC temperature range limiting for increased energy savings across large-scale facility installations

If the furnace is locked out on a high-limit code

meaning the branch line pressure increases as the sensed temperature rises above the setpoint

Its compact footprint and brass body construction facilitate straightforward installation in tight mechanical headers while maintaining the structural integrity required for high-pressure differentials

Trane KIT15943 IFC Kit 30067439-890 Dual-Purpose Design: Configurable for eitherThe Trane KIT15943 IFC Kit is a critical integrated furnace control (IFC) assembly designed for precise management of heating cycles and blower timing in specific Trane and American Standard residential furnaces. This kit serves as the direct OEM replacement for legacy control boards CNT3077 and CNT5122, ensuring electrical and logic compatibility without the need for field modifications. The assembly includes a replacement ignitor and a complete