Fume exhaust roof fan
3 220 - 64 035 cfm | 69H series Hartzell Fan

- Sizes 18" to 60"
- CFM from 3,220 to 64,035 at free air
- Application Examples - Stairwell ventilation, heat and smoke ventilator Hartzell Fan pioneered the development of the first powered smoke ventilator Series 69H smoke ventilator meets or exceeds rigid I.R.I. Guidelines for Heat and Smoke Venting Designed for continuous operation at 500°F exhaust air temperature with ambient air drawn through belt tube Multi-use product is designed to be used on a daily basis as a power roof ventilator and as a gravity type roof ventilator in the vent of power failure Heavy gauge all ferrous steel construction with welded steel propeller Standard coating is high temperature black enamel Open end, drip proof motor with 1.15 SF standard; other motor enclosures available Motor mounted exterior to fan housing; belts, bearings, pulleys, and shaft are enclosed and protected from the airstream Fusible link allows spring operated opener to lock stack cap lids in upright, open position when temps through smoke vent exceed 165°F; provides gravity ventilation in case electricity to power ventilator is interrupted Non-fused, rain tight, NEMA 3R disconnect switch mounted on curb panel and wired to fan to provide safety during maintenance Special corrosion resistant coatings are available as well as accessories such as prefab curb and inlet guard