The FX6-SD is the next generation Ruffneck™ explosion-proof electric air heater, built for severe duty applications that can lead to accelerated wear of electrical components and damage to the heater core.

The FX6-SD is specifically designed for severe duty applications including locations with:

• Fluctuating power quality
• Backup over pressure protection standard on all heaters.
• High vibration
• Dirty or corrosive atmospheres or
• Extended maintenance intervals