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Aluminized Steel Insulation
Cap with 1 in. (25 mm) Thick
Insulation Blanket

High Performance
Mineral Insulation

Sinuated
Element
Wire

High Emissivity
Coating

3 in. (76 mm) Wide
Replaceable Stainless
Steel Emitter

Stainless 
Steel Case

RAYMAX

®

1330

RAYMAX

®

1330—

Features Specially
Insulated Heater
Emitter Strips for
Higher Performance

The RAYMAX

®

1330 is the only radiant heater that features 

specially insulated heater emitter strips for higher performance.
Watlow developed a unique compacted mineral insulation to
electrically insulate the element wire, with a result of superior heat
transfer and higher operating capabilities.

Because of its rugged stainless steel construction, the RAYMAX
1330 will last longer. And this relatively new heater features a high
emissivity black coating and a uniform, full surface heat source for
better efficiency.

© 2005 Watlow Electric Manufacturing Company

Printed in the USA on Recycled Paper, 15% Postconsumer Waste

Features and Benefits

Field replaceable emitter strips

Allow you to avoid the cost of buying a whole new 
radiant heater

Rugged metal construction

Protects the heater from contaminants

No reflectors

No cleaning or replacing

No fragile glass or ceramic elements

No worries involved

One-inch thick backside insulation

Provides better heating efficiency

12001 Lackland Road
St. Louis, Missouri 63146 USA
Phone: +1 (314) 878-4600
FAX: +1 (314) 878-6814
Internet: www.watlow.com
e-mail: [email protected]

STL-1330-0805

Applications

Thermoforming plastics and composites

Circuit board soldering

Heat shrinking of plastic

Terminal box

Thermowell

Mounting studs 

Thermocouple welded to hot face

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