Can I use this as a direct replacement for a Series 26 module

the internal switches are rated for 277 Vac

The full-port design provides unrestricted refrigerant flow with a Cv rating of 3

refrigerant match

1050 RPM motor

Tjernlund Products EF-10 Duct Fan 322838-754 Can I use this asThe Tjernlund EF 10 Duct Fan is an industrial grade axial duct booster engineered to increase airflow in problematic 10 inch branch ducts. Built for professional HVAC applications, this in line duct fan features a 24 gauge galvanized steel housing with ribbed duct stops and crimped ends for a secure fit in both flexible and rigid metal ducting. Powered by a 1500 RPM shaded pole motor, it delivers a reliable 475 CFM airflow at 0. 00" SP to resolve