Carrier 325423-401 Vent Coupling 321142-301 requiring field-wiring to the existing

requiring field-wiring to the existing harness

allowing technicians to utilize existing wiring or custom-length harnesses for specific job site requirements

Is this compatible with older MC3000 or MC4000 series setups

Dual-Circuit Control: The DPST NO configuration allows for the simultaneous management of two separate electrical paths from a single pilot signal

delivering a consistent 1450 RPM to ensure precise airflow and thermal regulation

Carrier 325423-401 Vent Coupling 321142-301 requiring field-wiring to the existingThe Carrier 325423 401 Vent Coupling is a critical OEM replacement part designed specifically for condensing gas furnaces. This flexible rubber coupling provides a secure, airtight seal between the furnace's secondary heat exchanger and the PVC vent piping, ensuring the safe induction of combustion air and the efficient removal of flue gases. Specifically engineered for 90+ AFUE furnaces, including the Carrier PG9MAA, PG9MXA, and PG9UAA series, this