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Smith 100109290 replacements
this SPST cold control provides a reliable Normally Closed switch action that opens on temperature rise to maintain precise thermal stability within a range of -35°F to 15°F
the 35-72 series is the professional upgrade for many legacy 05-13 and 05-14 controls
Engineering for high-limit precision
specifically designed for systems utilizing R404A refrigerant
Trane CNT7679 Control Board 340793-762 Smith 100109290 replacementsThe 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
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