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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

WC20101 N/A WATTCO™ 25.4 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 1 in25.4 mm N/A 120 V N/A 1/4 in N/A 0.247 in
WC201A1 N/A WATTCO™ 31.8 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 1 1/4 in31.8 mm N/A 120 V N/A 1/4 in N/A 0.247 in
WC201C1 N/A WATTCO™ 38.1 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 1 1/2 in38.1 mm N/A 120 V N/A 1/4 in N/A 0.247 in
WC20201 N/A WATTCO™ 50.8 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 2 in50.8 mm N/A 120 V N/A 1/4 in N/A 0.247 in
WC20301 N/A WATTCO™ 76.2 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 3 in76.2 mm N/A 120 V N/A 1/4 in N/A 0.247 in
WC20401 N/A WATTCO™ 101.8 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 4 in101.8 mm N/A 120 V N/A 1/4 in N/A 0.247 in
WC20501 N/A WATTCO™ 127.0 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 5 in127.0 mm N/A 120 V N/A 1/4 in N/A 0.247 in
WC20601 N/A WATTCO™ 152.4 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 6 in152.4 mm N/A 120 V N/A 1/4 in N/A 0.247 in
WC20102 N/A WATTCO™ 25.4 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 1 in25.4 mm N/A 240 V N/A 1/4 in N/A 0.247 in
WC201A2 N/A WATTCO™ 31.8 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 1 1/4 in31.8 mm N/A 240 V N/A 1/4 in N/A 0.247 in
WC201C2 N/A WATTCO™ 38.1 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 1 1/2 in38.1 mm N/A 240 V N/A 1/4 in N/A 0.247 in
WC20202 N/A WATTCO™ 50.8 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 2 in50.8 mm N/A 240 V N/A 1/4 in N/A 0.247 in
WC20302 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 1/4 in N/A 0.247 in
WC20402 N/A WATTCO™ 101.8 Millimeter (mm) Sheath Length 240 Volts (V) Standard Watt Density Cartridge Heater N/A 4 in101.8 mm N/A 240 V N/A 1/4 in N/A 0.247 in
WC20502 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 1/4 in N/A 0.247 in
WC20602 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 1/4 in N/A 0.247 in
WC30101 N/A WATTCO™ 25.4 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 1 in25.4 mm N/A 120 V N/A 3/8 in N/A 0.372 in
WC301A1 N/A WATTCO™ 31.8 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 1 1/4 in31.8 mm N/A 120 V N/A 3/8 in N/A 0.372 in
WC301C1 N/A WATTCO™ 38.1 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 1 1/2 in38.1 mm N/A 120 V N/A 3/8 in N/A 0.372 in
WC30201 N/A WATTCO™ 50.8 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 2 in50.8 mm N/A 120 V N/A 3/8 in N/A 0.372 in
WC30301 N/A WATTCO™ 76.2 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 3 in76.2 mm N/A 120 V N/A 3/8 in N/A 0.372 in
WC30401 N/A WATTCO™ 101.6 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 4 in101.6 mm N/A 120 V N/A 3/8 in N/A 0.372 in
WC30501 N/A WATTCO™ 127.0 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 5 in127.0 mm N/A 120 V N/A 3/8 in N/A 0.372 in
WC30601 N/A WATTCO™ 152.4 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 6 in152.4 mm N/A 120 V N/A 3/8 in N/A 0.372 in
WC30701 N/A WATTCO™ 177.8 Millimeter (mm) Sheath Length 120 Volts (V) Standard Watt Density Cartridge Heater N/A 7 in177.8 mm N/A 120 V N/A 3/8 in N/A 0.372 in
Unit of Measure
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