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Engineered specifically for compatibility with Reznor unit heaters and power vented gas furnaces
While the 0556003 is built for durability
Technician-Friendly Design: Features extended 1 1/8" sweat connections for easier brazing in tight mechanical spaces
Precise Freeze Protection: Features a 20' sensing element to detect localized "cold spots" that shorter capillaries might miss
Trane KIT17858 HSI Control 30067439-890 Engineered specifically for compatibility withThe 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
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