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NBK-20938 – Inflation Blower 148 CFM 115V w/AC Cord
The NBK-20938 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. Comes pre-wired with an AC power cord for fast installation.
⚠️ 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
✅ 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
📌 SKU: 20938
📌 Alternate SKU: FN1TDP7
📌 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: -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
📌 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-20938?
The NBK-20938 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 you’re working with a Heatmor, Taylor, Johnson Jr, or WoodMaster unit, this blower delivers dependable inflation performance in all conditions.
Shipping & Availability
🚚 Special order from NBK. Please expect a 1–2 business day processing delay before shipping.