Tjernlund DB2 Duct Fan

The Tjernlund DB2 Duct Fan is a rugged in-line duct fan designed for reliable ventilation in heating or air conditioning ducts. This 120 Volt AC, single-phase unit delivers up to 275 CFM and 1,550 RPM, providing strong airflow where it matters most.

Built with a 24-gauge galvanized steel housing, the DB2 fits 6 or 8 inch round ducts and operates safely up to 200°F. With a 0.51 Amp current draw and a 40-watt motor, it balances performance with efficiency. UL and CSA approvals ensure code-compliant operation in residential or light-commercial settings.

• Air Flow: 200 CFM (low) / 275 CFM (high)
• Electrical: 120V AC, 60 Hz, 0.51 A, 40 W, single-phase
• Speed & Size: 1,550 RPM; suitable for 6" or 8" round ducts
• Construction: 24 GA galvanized steel housing
• Temperature Rating: Up to 200°F
• Certifications: UL, CSA
• Applications: Duct booster, outdoor air supply, lunch room exhaust, bathroom exhaust, spot ventilation, fume control