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WATTCO™ cartridge heaters are made of a swaged construction that consists in a high-grade nickel chromium resistance wire wound around a high-quality MgO core that is centered in a stainless steel casing.

Cartridge heaters are used for several heating metal parts and can be fitted with threaded bushings for liquid heating for certain applications. Cartridge heaters will reach metal temperatures of up to 1400 ºF (760 ºC) with the appropriate material, watt density, and fit selections. Maximize element life and value with WATTCO™ cartridge heaters.
WATTCO™ Standard Watt Density Cartridge Heaters
WATTCO™ Standard Watt Density Cartridge Heaters - 2
Unit of Measure
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Item #

Item Name

Sheath Length

Voltage

Hole Diameter

Sheath Diameter

WC71401 N/A WATTCO™ 355.6 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 14 in355.6 mm N/A 120 V N/A 3/4 in N/A 0.747 in
WC71801 N/A WATTCO™ 457.2 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 18 in457.2 mm N/A 120 V N/A 3/4 in N/A 0.747 in
WC72001 N/A WATTCO™ 508.0 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 20 in508.0 mm N/A 120 V N/A 3/4 in N/A 0.747 in
WC73601 N/A WATTCO™ 914.4 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 36 in914.4 mm N/A 120 V N/A 3/4 in N/A 0.747 in
WC70202 N/A WATTCO™ 57.2 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 2 1/4 in57.2 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC70302 N/A WATTCO™ 76.2 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 3 in76.2 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC70402 N/A WATTCO™ 101.6 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 4 in101.6 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC70502 N/A WATTCO™ 127.0 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 5 in127.0 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC70602 N/A WATTCO™ 152.4 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 6 in152.4 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC706C2 N/A WATTCO™ 165.1 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 6 1/2 in165.1 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC70702 N/A WATTCO™ 177.8 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 7 in177.8 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC70802 N/A WATTCO™ 203.2 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 8 in203.2 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC70902 N/A WATTCO™ 228.6 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 9 in228.6 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC71002 N/A WATTCO™ 254.0 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 10 in254.0 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC71202 N/A WATTCO™ 304.8 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 12 in304.8 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC71402 N/A WATTCO™ 355.6 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 14 in355.6 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC71802 N/A WATTCO™ 457.2 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 18 in457.2 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC72002 N/A WATTCO™ 508.0 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 20 in508.0 mm N/A 240 V N/A 3/4 in N/A 0.747 in
WC73602 N/A WATTCO™ 914.4 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 36 in914.4 mm N/A 240 V N/A 3/4 in N/A 0.747 in
Unit of Measure
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