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replacing the plate is the only way to ensure the system returns to its design specifications
25 HP motor delivers consistent torque and reduced vibration compared to single-phase equivalents
Does this switch handle the 120V circuit or 24V
two distinct gas valve spring kits for stage regulation
Whether you are addressing a hard-starting compressor or a humming fan motor
Carrier 337662-704 Pressure Switch Assembly 321702-401 replacing the plate is theThe 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