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NBK-20059 – Blower Motor 148 CFM 115V
The NBK-20059 Blower Motor is a high-quality replacement designed for wood furnaces, outdoor boilers, and greenhouse applications. Delivering 148 CFM at 115V, this blower is one of the most widely used in the outdoor wood furnace industry. It directly replaces popular OEM models including Dayton 4C446, 6FHX8, Englander PU-4C442, and Fasco 50752-D500. Built for durability, it includes automatic thermal protection, cast aluminum end shields, and quiet, dynamically balanced operation.
⚠️ SPECIAL ORDER NOTICE: This is a special order item sourced from NBK. Please allow 1–2 business days for processing prior to shipment.
Key Features
✅ Industry Standard Blower: One of the most common replacement blowers for outdoor wood furnaces and greenhouse systems
✅ OEM-Compatible Design: Replaces Dayton, Fasco, Englander, and other popular blowers with direct footprint compatibility
✅ Efficient & Quiet: Dynamically balanced motor reduces noise and vibration while maintaining high airflow at static pressure
✅ Durable Construction: Features cast aluminum end shields and automatic thermal protection for extended service life
✅ Full 1-Year Warranty: Backed by NBK for reliability and customer confidence
Specifications
📌 SKU: 20059
📌 Alternate SKU: FN446
📌 Category: Blower Motors / Hearth Parts / Greenhouse / Outdoor Boiler
📌 Voltage: 115V, 50/60Hz, Single Phase
📌 Amperage: 0.75A (Full Load)
📌 Motor RPM: 2720/3120
📌 Motor Type: PSC / Shaded Pole
📌 CFM @ 0.000” SP: 148
📌 Mounting Position: All Position
📌 Motor Enclosure: Open
📌 Temperature Range: -20°F to 104°F
📌 Max Ambient & Inlet Temp: 104°F
📌 Thermal Protection: Automatic
📌 Wheel Diameter: 3-13/16"
📌 Wheel Width: 2-1/2"
📌 Inlet Diameter: 3-1/8"
📌 Lead Length: 6"
📌 Blower Outlet Shape: Rectangular
📌 Certifications: UL Recognized (US & Canada - E47479)
📌 Warranty: Full 1-Year Manufacturer Warranty
Equivalent To
Dayton: 4C446, 6FHX8, 2C610, 1TDP5, 7021-2001, 7021-6745, 7073-0488
Englander: PU-4C442
Fasco: 50752-D500, 7021-3467, 7021-10838, A455
Greenhouse / Dundas: 7021-7857
Other: 7021-4799 (England Stove), 7058-0383, 80472, 7021-1835, 7021-5855, Grainger 6FHX5
Why Choose the NBK-20059?
The NBK-20059 is trusted as a go-to blower motor in the outdoor boiler and greenhouse industries. Its rugged build, reliable airflow, and proven durability outperform legacy Dayton blowers, making it a top choice for both technicians and homeowners. With its full 1-year warranty and direct-fit compatibility, this blower ensures your heating or greenhouse system operates at peak efficiency.
Shipping & Availability
🚚 Special order from NBK. Please expect a 1–2 business day processing delay before shipping.