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Duct Heaters: Standard & Finned Tubular – Design Features

Standard Tubular Duct Heaters

  • NEMA 1 General Purpose Ventilated Enclosure
  • Painted Steel Mounting Flange
  • Single- and Three-Phase Wiring
  • 3-1/2″ (89 mm) Insulation
  • Field Replaceable Incoloy® 840 Elements
  • Element Bends Re-pressed
  • 1/4″ (6 mm) Inside Diameter Thermowell
  • Stainless Steel Support Plate and Corner Posts

Finned Tubular Duct Heaters

  • NEMA 1 General Purpose Ventilated Enclosure
  • Stainless Steel Mounting Flange and Terminal Box
  • Single- and Three-Phase Wiring
  • 1″ (25 mm) Insulation
  • Field Replaceable .430 Diameter Stainless Steel Elements
  • 9/32″ (7 mm) ID Sensor Thermowell
  • Stainless Steel Support Plate and Corner Posts
  • Stainless Steel Insulation Housing