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HVAC pressure switches must match the specific water column inches required by the equipment manufacturer to ensure the system fails-safe under improper venting conditions
14A for efficient operation
2" WC setpoint for consistent performance without the need for field adjustment
including a C27451 DZR brass body and stainless steel relief spring
Carrier 48TJ400431 Inducer Housing 320735-701 HVAC pressure switches must matchThe Carrier 48TJ400431 Inducer Housing is a critical OEM replacement component designed for high performance gas fired rooftop units. Engineered for precise fitment within the Carrier 48TJ series, this draft inducer blower housing manages combustion air flow and ensures the safe evacuation of flue gases. Use this heavy duty housing to resolve issues related to vent motor vibration, housing cracks, or airflow restrictions that trigger pressure switch
