Carrier 308574-201 Coupling 320734-701 Key Benefits Precise Switchover Control:

Key Benefits Precise Switchover Control: Maintains consistent performance within the 11 to 15 psig range for accurate pneumatic air switching

By regulating the combustion air blower and gas supply

Maintaining balanced airflow is critical for heat exchanger longevity and preventing limit switch tripping

inducer motor speed

Carrier 308574-201 Coupling 320734-701 Key Benefits Precise Switchover Control:The Carrier 308574 201 Vent Coupling is a critical OEM replacement part designed to maintain the integrity of the exhaust and intake systems in high efficiency condensing furnaces. As a Factory Authorized Part, this condensing furnace vent connector ensures a gastight seal, preventing combustion byproduct leakage and maintaining proper static pressure within the venting assembly. Constructed from high grade, heat resistant polymers, it is engineered