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Dual-Pen Support: Versatile design functions effectively in both single and dual-pen recorder setups for comprehensive data acquisition
ideal for systems with expansion valves or frequent cycling
Reduces equipment downtime by allowing for field-level repair of the heating section
It is rated for a maximum temperature of 200°F
the transformer has likely suffered an internal short or thermal failure and requires replacement
Trane CNT7679 Control Board 321042-401 Dual-Pen Support: Versatile design functionsThe Trane CNT7679 Control Board is a critical OEM 120v HSI 1 stage replacement engineered for high performance gas furnaces. Designed to manage the ignition sequence and blower timing, this integrated furnace control board provides precise regulation for hot surface ignition systems. As a veteran spec part, the CNT7679 replaces a wide range of legacy components including CNT7979, CNT3799, and CNT2183, ensuring backward compatibility with furnaces
