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The IDHB series is a basic, economical duct heater available in limited sizes. This duct heater features:

• UL 1996 licensed
• 50/60 Hz compatibility
• Zero clearance
• Fan interlock
• Power and control terminal boards
• Automatic reset thermal safety switch for primary over temperature protection
• Manual reset thermal safety switch for secondary over temperature protection
• Heavy gage G60 construction with hinged access cover

Capacity and stages are dependent on voltage/phase and heater dimensions.

Capacity: 39.9 kW maximum

Stages: 3 maximum

The IDHE is a universal duct heater that eliminates the need for right- and left-handed designs. The IDHE has the following features:

• Six mounting positions with vertical up and down flow
• Rotation to fit the requirements and location of the HVAC system
• Standalone duct heater capability
• Lower standard heater wire watt density and higher duct to heat coverage
• Single- or three-phase
• Disconnecting contactors
• Recessed or offset control box
• 80/20 (Ni/Cr) resistance wire
• Vapor barrier
• Gasketed cover

Capacity is dependent on voltage/phase and heater dimensions.

Capacity: 30 kW per square foot

• Six mounting positions with vertical up and down flow
• Designed for zero clearance
• Recessed control box
• Single or three phase
• Power fusing required
• NEMA 4 enclosure