Cartridge/Insertion Heaters

Watlow designed and manufactured the first swaged cartridge heater and revolutionized the heating element industry.

With premium materials and tight manufacturing controls, Watlow's cartridge heaters (insertion heaters) provide superior heat transfer, uniform temperatures, resistance to oxidation and corrosion and long life even at high temperatures. Customers benefit from Watlow's custom designs, on-time delivery, quality and technical assistance.

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Miniature FIREROD Provides Maximum Performance Where Space Is Limited

Available Specifications:
Material
Temperatures
Densities

Alloy 600

1400°F or 760°C

400 W/in2 or 62 W/cm2

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Cartridge Heater Built to Meet the Specifications of the Global Market

Available Specifications:
Material
Temperatures
Densities

Alloy 800

1400°F or 760°C

330 W/in2 or 50 W/cm2

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FIREROD Cartridge Heaters are the Premier Choice in Swaged Cartridge Heating

Available Specifications:
Material
Temperatures
Densities

Alloy 800

1400°F or 760°C

400 W/in2 or 62 W/cm2

Stainless Steel

1000°F or 538°C

400 W/in2 or 62 W/cm2

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Swaged Cartridge Heater Ideal for High-Temperature Applications

Available Specifications:
Material
Temperatures
Densities

Alloy 800

1800°F or 982°C

100 W/in2 or 15.5 W/cm2

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Efficient Heat Dissipation and Long Life to Meet Your Highest Demands

Available Specifications:
Material
Temperatures
Densities

Alloy 800

2050°F or 1120°C

30 W/in2 or 4.6 W/cm2