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When a wire breaks or corrodes
It maintains the same electrical requirements and physical dimensions
It meets UL Bulletin 508 standards for industrial control equipment
even during varying ambient conditions or fluctuating water supply pressures
Carrier 337662-704 Pressure Switch Assembly 322838-754 When a wire breaks orThe Carrier 337662 704 Pressure Switch Assembly is a critical OEM replacement component designed for high efficiency condensing furnaces. This assembly features a triple switch configuration calibrated to monitor inducer motor performance and vent system integrity across multiple stages of operation. To ensure precise combustion safety, the unit is factory set with specific pressure trip points: 0. 65" WC for low stage, 0. 90" WC for medium stage, and
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