Watlow Radiant Heaters

Watlow Radiant Heaters

With Watlow’s diverse RAYMAX® radiant heater line, we have a solution for almost any application requiring radiant heat. Our capabilities cover a wide range of needs, from contamination-resistant panel heaters to fast-responding quartz tubes to rugged tubular elements and high temperature ceramic panels.

Applying radiant heaters can be complicated. Watlow’s engineering staff has the level of training required to help you meet your application requirements, providing a high degree of technical support such as conducting testing for your application at our facility, calculating your watt density and temperature requirements, and recommending system components such as sensors and controllers. With our experience in a wide range of industries, chances are Watlow has already helped someone handle a radiant heating application like yours.


  • Thermoforming
  • Food warming
  • Paint and epoxy curing
  • Heat treating
  • High temperature furnaces
  • Tempering and annealing processes


  • Raymax line offers a varity of styles and capabilities to match the temperature and watt density requirements of your application
  • Custom Designs availible

Watlow 1220 and 1330 Radiant Heaters

Raymax 1010

Raymax 1330

Raymax Family Overview