Tjernlund EF-8 Duct FanThe Tjernlund EF 8 Duct Fan delivers reliable airflow for 8 inch duct systems. This compact inline duct fan is a versatile ventilation solution for bathrooms, kitchens, and utility spaces, supporting better air exchange in typical home duct runs. Designed for 8 inch duct fan setups, it accommodates 8" flex duct or metal duct, enabling flexible installation in existing or new ductwork. Use in residential or light commercial projects to improve air

Motion: 90-degree rotation

Temperature Rating: 135/40°F

20 KΩ NTC mixed-air temperature sensor for accurate readings

efficient control in commercial HVAC systems

Easy replacement for worn or missing original knobs

the unit uses proven sensing technology to respond quickly to pressure changes while maintaining safe operation

it minimizes installation guesswork and ensures a snug

5-inch diaphragm delivers stable pressure control

precise flame sensing

mounted on the side for flexible installation

FS1-W delivers reliable flow status signals that help improve safety

and decorative accents