Sterling 11J31R01694 Motor

The Sterling 11J31R01694 Motor is a high-performance direct drive unit heater motor engineered for demanding commercial and industrial HVAC applications. This 1/3 HP blower motor operates on a standard 115V single-phase power supply, drawing 1.5 Amps to deliver a consistent 1140 RPM. Designed with a clockwise (CW) rotation and a 5-5/8 inch body diameter, it serves as a precise OEM replacement motor for Sterling gas-fired unit heaters. The 1/2-inch diameter by 3-1/2 inch long shaft ensures high compatibility with a range of fan blades and blower wheels. Featuring a totally enclosed enclosure, this motor provides superior protection against dust and airborne contaminants common in mechanical rooms. For technicians performing unit heater maintenance, this motor offers a reliable solution for restoring proper airflow and system pressure. The lightweight 12-lb design and stud mounting simplify installation in space-constrained overhead heater cabinets.

Key Benefits

• Compatible with Sterling unit heaters and furnace blowers for seamless field replacement.
• Totally enclosed motor design maintains internal component integrity in harsh environments.
• Optimized 1140 RPM speed provides efficient air circulation without excessive noise levels.
• Permanent split capacitor (PSC) design offers higher operational efficiency compared to shaded pole alternatives.
• Automatic thermal overload protection prevents winding damage during unexpected temperature spikes.

Common Questions

Is this a direct replacement for my Sterling unit heater?
Yes, the 11J31R01694 is a genuine Sterling HVAC replacement part designed specifically for their line of gas-fired unit heaters and air handlers.

Can I use this for a counter-clockwise application?
No, this specific model is a dedicated CW rotation motor. Verify your fan pitch and current motor rotation before swapping to ensure correct airflow direction.

What are the mounting specifications for this motor?
It typically uses a stud mount configuration with a 5-5/8 inch NEMA 42 frame diameter, making it compatible with most standard unit heater brackets.

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.