Boiler Blower Motor – 115V PSC, 3120 RPM – Replaces Dayton 6FHX8, 4C446, 1TDP7 – SKU: FN446

NBK FN446 Blower Motor – 115V PSC, 3120 RPM – Replaces Dayton 6FHX8, 4C446, 1TDP7 – Special Order Upgrade your wood boiler system with the NBK FN446 blower motor—an industry-favorite replacement for Dayton 6FHX8 and 4C446 models. Known for its durability and consistent airflow, this blower is dynamically balanced for low noise and minimal vibration, ensuring high CFM output even at higher static pressures. It’s a direct-fit replacement with superior build quality, trusted by professionals across the outdoor wood furnace market. Key Features • High-Performance Blower – Maintains airflow under static pressure with minimal noise and vibration • Universal Mounting – Operates in any position; direct-fit for many OEM models • Durable Motor Design – PSC motor with thermal protection and reliable long-life performance • Fast Shipping – In stock and ready for immediate shipment • Includes 1-Year Warranty – Confidence in quality and performance Specifications • Manufacturer: NBK • SKU: FN446 • Voltage: 115V AC • Frequency: 50/60 Hz • Phase: Single-phase • Full Load Amps: 0.75 • Motor RPM: 2720 / 3120 • Max Ambient Temperature: 104°F • Motor Type: PSC (Permanent Split Capacitor) • Wheel Diameter: 3-13/16" • Wheel Width: 2-1/2" • Inlet Diameter: 3-1/8" • Outlet Shape: Rectangular • Lead Length: 6" • Operating Temperature Range: -20°F to 104°F • Mounting Hole Spacing: 1-3/8" x 2" • Warranty: 1-Year Manufacturer Warranty Equivalent To • Dayton: 6FHX8, 4C446, 1TDP7 • Fasco: A166, 7121-3469, 7121-7788, 7021-7788, 7021-3469, 70216741, 8121-2084 • Rotom: R7-RB446 • WoodMaster: 0109-732, 2000737 • Baxter: 01-1000V8-00060 Compatible With • WoodMaster: 4400, 5500 • HeatSource: Model 1000 • Taylor: T-750 • Heatmor: 200css, 400css, 200SSR2, 400SSR2 • Johnson: John Jr. models • Freedom Outdoor: Eliminator and similar models Why Choose the NBK FN446 Blower? This blower is one of the most commonly used fans in the outdoor wood furnace industry—and for good reason. With higher reliability and fewer failures than comparable Dayton models, it offers improved longevity, consistent airflow, and all-position mounting flexibility. It’s your go-to blower for upgrades, replacements, or OEM-level performance.