Reznor 11303 Shaft

Ensure your heating system maintains peak operational efficiency with the Reznor 11303 Blower Shaft. This high-grade industrial HVAC blower shaft is a precision-engineered OEM replacement part measuring 1 inch in diameter by 19 inches (some configurations may vary to 21-1/2 inches depending on the specific 1360 blower assembly). Designed specifically for Reznor unit heater maintenance, this component provides the mechanical strength required to withstand high-torque start-ups and continuous thermal cycling in demanding commercial environments. A compromised furnace blower shaft often leads to excessive vibration, bearing failure, and reduced airflow—issues that decrease the lifecycle of the entire motor assembly. Replacing a scored or bent shaft with this genuine Reznor 11303 ensures proper alignment and balanced rotation, essential for the quiet, reliable performance expected by professional contractors. This shaft is built from corrosion-resistant material to handle the high temperature and humidity fluctuations common in shop and warehouse heating applications.

• Precision Machined Specifications: The 1" x 19" dimensions ensure a perfect fit for Reznor air blowers, preventing the shaft runout that causes premature bearing wear.
• Industrial-Grade Material: Constructed to resist surface pitting and corrosion, maintaining a smooth interface with the blower bearings.
• Optimized System Efficiency: Restores factory-spec rotational balance to minimize noise and energy consumption.
• Verified Compatibility: Authentic Reznor parts guarantee exact tolerances, reducing installation time for field technicians.

Is the Reznor 11303 compatible with all unit heaters?
This shaft is specifically engineered for certain Reznor models utilizing the 1360 blower series. Always verify the shaft diameter and length against your unit's serial number and technical manual before installation.

What causes a blower shaft to fail?
Most failures result from worn bearings or unbalanced blower wheels, which cause excessive vibration. Regular inspection for scoring or surface damage is recommended during annual maintenance.

Does this shaft include the blower bearings?
No, this is the shaft only. For a complete overhaul, technicians typically replace the blower bearings (such as the SRC-16-1-1 unit) simultaneously to ensure a smooth, long-lasting assembly.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.