Raymax 1120

Zesta Watlow Raymax 1120 Radiant Heaters
Zesta Watlow Raymax 1120 Radiant Heaters
The RAYMAX 1120 radiant heater panel is lightweight, yet sturdy and durable. The emitter sheath is stainless steel with a black coating providing a highly efficient radiating
surface. The heater’s low mass allows rapid start-up and fast response to controllers.

The patented RAYMAX heater features 1 in. (25 mm) wide emitter strips which are individually replaceable for lower maintenance costs. Weighing only 5.5 lbs/ft² (26.8 kg/m²),
the heater is easy to mount.

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Product Features

  • Replaceable emitters - Reduces cost
  • High temperature mica - Insulates nickel chromium resistance wire, permitting longer heater life
  • High emissivity coating on emitter strips - Improves radiant heating efficiency
  • 7/8 in. (22.2 mm) thick thermal insulation - Backs the emitter strips to reduce backside losses
  • Uniform full surface heat source - Provides better, more even heat
  • Special requirements are easily met - Ensures availability of custom sizes and ratings

Product Specifications

Performance Capabilities

  • Face temperature: 1100°F (595°C) maximum
  • Watt density: 20 W/in2 (3 W/cm2) maximum
  • Maximum voltage up to 480V
  • UL® component recognized versions are available



  • Thermoforming
  • Textile drying
  • Paint curing
  • Powder coating fusing
  • Shrink wrapping
  • Circuit board soldering