Carrier 48TJ400431 Inducer Housing 320735-701 HVAC pressure switches must match

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

verify that the total circuit load does not exceed the 40VA rating to ensure long-term reliability in the field

the sensing element relies on liquid expansion to trip the switch

this high-efficiency ECM motor utilizes electronically commutated technology to provide variable speed operation

2" WC setpoint for consistent performance without the need for field adjustment

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