Blower Motor | 115V 287 CFM 3250 RPM (800789) | NBK-20787

NBK-20787 – Blower Motor 115V 287 CFM 3250 RPM

The NBK-20787 Blower Motor is a high-efficiency OEM replacement draft fan designed for outdoor wood boilers and high-performance heating systems. Built to replace Fasco 7021-12231 and multiple other models, this blower delivers up to 287 CFM at 3250 RPM. With durable sleeve bearings, thermal protection, and a direct-drive motor, it is commonly used in Empyre Pro Series, Cozeburn, Elite, and Greenwood Aspen heating systems.

Key Features

• OEM-Compatible Replacement – Replaces Fasco 7021-12231, Rotom R7-RB938, Profab 814320, and other models
• High-Performance Airflow – Provides up to 287 CFM at 3250 RPM for reliable heating system draft control
• Durable Design – Single-speed motor with sleeve bearings and thermal protection for long-lasting use
• Direct Drive – Ensures consistent, efficient airflow with fewer failure points
• Easy Installation – Includes discharge mounting flange for quick replacement

Specifications

• SKU: 20787
• Alternate SKU: FN800789
• Manufacturer: AH&S
• Category: Blower Motors / Blower / Air Handler / Hearth Parts / HVAC
• Voltage: 115V, 50/60Hz, Single Phase
• Amperage: 1.0–1.4A (Full Load)
• Motor RPM: 3000–3250
• Motor Type: Direct Drive, Single Speed
• Bearings: Sleeve
• CFM @ 0.000” SP: 250–287
• Mounting: All Position
• Motor Enclosure: Open
• Temperature Range: Up to 104°F
• Thermal Protection: Automatic
• Includes: Discharge Mounting Flange

Equivalent To

• Fasco: 7021-12231, 702112231, 7062-5938, 70525938
• Rotom: R7-RB938
• Profab: 814320
• Empyre: Pro 400, 650, XT 100/200
• Cozeburn: 650
• Elite Indoor: 100/200
• Greenwood Aspen: 200

Why Choose the NBK-20787?

The NBK-20787 is trusted by technicians and homeowners as a direct-fit replacement for Empyre and Cozeburn wood boilers, as well as high-efficiency Elite and Greenwood units. With its strong airflow, rugged construction, and OEM-level compatibility, this blower ensures long-term heating performance and reduced downtime in demanding applications.

Shipping & Availability

Special order from AH&S. Please expect a 1–2 business day processing delay before shipping.