Watlow’s RAYMAX® radiant heater line from allows for customers to solve virtually any application requiring radiant heat.Watlow’s radiant panel heaters serve a wide range of needs, from contamination-resistant surfaces to fast responding high-temperature panels.Applying radiant panel heaters can be complicated. However, Watlow’s engineering staff has the level of training and expertise required to meet most application requirements. tmp3A1C


Raymax 1120

The RAYMAX® 1120’s emitter sheath is stainless steel with a black coating that makes it a highly efficient radiating surface.

  • Face temperature: 1100°F (595°C) max.
  • Watt density: 20 W/in2 (3 W/cm2) max.


Raymax 1220 & 2030

Each unit consists of a ceramic fiber heater mounted in a 2.5 inch deep sheet metal case that provides thermal insulation.

  • RAYMAX 2030: temperatures up to 2000°F
  • RAYMAX 1220: temperatures up to 1200°F


Raymax 1525

Watlow’s RAYMAX® 1525 is a rugged radiant heater with a unique design that allows quick removal and replacement of the element and reflectors.

  • Element temperatures to 1600°F
  • Watt densities measured across the reflector area up to 25 W/in2
Code Numbers


Raymax 1010

Designed to resist contamination, the RAYMAX® 1010 is ideal for use in screen printing, food warming and other low heat applications.

  • Face temperature: 540°C (1000°F) max.
  • Watt densities: 10 W/in2 (1.5 W/cm2) max.  
Ordering Options


Raymax 1330

The RAYMAX® 1330 is the only radiant heater that features specially insulated heater emitter strips for higher performance.

  • Maximum face temperature: 700°C (1300°F)
  • Maximum watt density: 30 W/in2 (4.7 W/cm2)
Ordering Options


Strip Emitters

Constructed using Watlow’s exclusive mineral insulation, rugged stainless steel sheath and high emissivity coating, these heaters can operate at temperatures to 1300°F (700°C), and 30 W/in2 (4.7 W/cm2).

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Ceramic Infrared Heaters

Ceramic Infrared Heaters Ceramic Infrared Heaters. Individual elements are 96% infrared energy efficient with a maximum temperature of 1292ºF (700ºC.) Standard voltages are 120, 220, 230, 240 and 480 and standard wattages range between 150 and 1000.

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