Tjernlund Products EF-12 Duct Fan R-407A Full Retrofit Package: Includes all

Full Retrofit Package: Includes all necessary brackets

visible corrosion on the DIN plug terminals

Serviceability: The flanged cover allows for quick access during routine maintenance or after a system burnout

For service calls involving cracked or stagnant secondary drainage

The Johnson Controls VG7443RT is a 2-way normally closed globe valve engineered for precision control in commercial HVAC systems

Tjernlund Products EF-12 Duct Fan R-407A Full Retrofit Package: Includes allThe Tjernlund Products EF 12 Duct Fan is a heavy duty 12 inch inline booster fan engineered for professional HVAC applications where airflow velocity is critical. Built with a 24 gauge galvanized steel housing, this axial fan is specifically designed to overcome static pressure in long duct runs, delivering a free air rating of 875 CFM. It features a 1 35 HP shaded pole motor operating at 1500 RPM, optimized for maintaining air movement in both 12"