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providing the reliability required for critical cooling cycles
ensuring a seamless
fitting most standard mounting brackets
it is provided as a complete service kit including the sightglass assembly and required sealing components to ensure a vacuum-tight installation
York S1-031-03498-001 Control Board 328140-751 providing the reliability required forThe York S1 031 03498 001 Demand Defrost Control Board is a critical OEM replacement part engineered for high efficiency 14 SEER heat pump systems. As a veteran grade HVAC control board, it is the direct factory successor to the S1 031 03877 000, ensuring seamless integration with York TH4 series units, including models TH4B3622SA, TH4B4822SA, and TH4B6022SA. Unlike standard time temperature defrost boards, this demand defrost module utilizes advanced
