NBK-20938s Inflation Blower 148 CFM 115V w/AC Cord
The NBK-20938s Inflation Blower is a high-performance OEM replacement designed to deliver 148 CFM of airflow at 115V, making it one of the most widely used blowers in the outdoor wood furnace and greenhouse industry. With its compact form factor, durable construction, and quiet operation, this blower is a direct-fit upgrade over legacy Dayton models like 1TDP7 and 6FHX8. It comes pre-wired with an AC power cord for fast installation.
Key Features
High CFM Output Delivers 148 CFM airflow for reliable inflation and forced-air applications
OEM-Compatible Fit Replaces Dayton 1TDP7, 6FHX8, 4C446, and greenhouse blower models like IB148
Quiet & Balanced Dynamically balanced for minimal noise and vibration at higher static pressures
Durable Construction Features cast aluminum end shields, thermal protection, and long operating life
Includes AC Power Cord Pre-wired for quick and easy installation
Specifications
Alternate
Category: Blower / Air Handler / HVAC / Greenhouse / Outdoor Boiler
Voltage: 115V, 50/60Hz
Amperage: 0.75A (Full Load)
Motor RPM: 2720 / 3120
Motor Type: Shaded Pole
CFM @ 0.000 SP: 148
Mounting Position: All Position
Motor Enclosure: Open
Temperature Range: -20F to 104F
Max Ambient & Inlet Temp: 104F
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
Warranty: Full 1-Year Manufacturer Warranty
Certifications: UL & C-UL Recognized (E47479)
Equivalent To
Dayton: 1TDP7, 6FHX8, 4C446
Greenhouse: IB148
Other: Replaces numerous outdoor boiler and greenhouse inflation blowers
Why Choose the NBK-20938s?
The NBK-20938s is a premium replacement blower trusted across the outdoor wood furnace, greenhouse, and heating industries. Built to outlast and outperform traditional Dayton models, it features better thermal protection, smoother airflow, and fewer failure points. Whether youre working with a Heatmor, Taylor, Johnson Jr, or WoodMaster unit, this blower delivers dependable inflation performance in all conditions.










