Trane KIT17858 HSI Control 30067439-890 High BTU Rating: Rated at

High BTU Rating: Rated at 1

The CSC-2007 utilizes a low air consumption design

Technician-Friendly Design: Features extended 1 1/8" sweat connections for easier brazing in tight mechanical spaces

The Carrier HH84AA020 Control Board is a genuine factory-authorized HVAC replacement circuit board designed for precise sequence control in Carrier

Precise Freeze Protection: Features a 20' sensing element to detect localized "cold spots" that shorter capillaries might miss

Trane KIT17858 HSI Control 30067439-890 High BTU Rating: Rated atThe Trane KIT17858 is a critical 24V 2 stage HSI control board designed for high performance furnace platforms requiring precise ignition sequencing and blower motor management. This integrated furnace control manages the hot surface igniter, gas valve timing, and multi speed inducer motors to ensure optimal combustion efficiency. Engineered as a direct OEM replacement kit, it provides seamless compatibility for technicians sourcing a Trane ignition