The Lennox 87268 is a heavy-duty

Direct OEM Fit: Eliminates the need for field modifications on Utica and Dunkirk boiler chassis

Is this compatible with SUN R261N systems

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

the internal switches are rated for 277 Vac

Tjernlund Products EF-10 Duct Fan 322838-754 The Lennox 87268 is aThe 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