this unit serves as the direct 33CS400-01 replacement and P374-2700 cross-reference

always verify that the motor

Utilizing the correct Nordyne furnace parts is critical for maintaining factory-spec airflow and heating cycles while ensuring long-term duty cycle reliability in residential applications

27-degree pitch design reduces mechanical stress on the motor shaft

Reznor 12489 Rod Bolt R-410A this unit serves as theThe Reznor 12489 Rod Bolt is a critical hardware component designed for the secure assembly and structural integrity of Reznor unit heaters and HVAC systems. Engineered for precision and resistance to thermal stress, this replacement rod bolt ensures that internal components remain properly aligned during high cycle heating operations. As a direct OEM replacement part, the 12489 maintains the original equipment specifications required for safe and