Watlow Firerod

The FIREROD Cartridge Heater revolutionized the heating element industry in 1954 when it was patented as the first swaged cartridge heater. The mechanical procedure of swaging reduces the diameter of the heater by compacting the unit; this directly improves the heat transfer and efficiency of the heater.

Watlow FIREROD Cartridge Heaters Brochure (PDF)

Firerod

441 items

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  • Watlow firerod cartridge heaters N4A17-E12
    N4A17-E12 Watlow Cartridge Heater 3/4ODx4L 240V 500W
    N4A17-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/4 in OD x 4 in sheath, 240VAC, 500 Watts total @ 61W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters N4A15-E12
    N4A15-E12 Watlow Cartridge Heater 3/4ODx4L 240V 1000W
    N4A15-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/4 in OD x 4 in sheath, 240VAC, 1000 Watts total @ 122W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters N3A12-E12
    N3A12-E12 Watlow Cartridge Heater 3/4ODx3L 240V 500W
    N3A12-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/4 in OD x 3 in sheath, 240VAC, 500 Watts total @ 85W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters N3A11-E12
    N3A11-E12 Watlow Cartridge Heater 3/4ODx3L 120V 250W
    N3A11-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/4 in OD x 3 in sheath, 120VAC, 250 Watts total @ 43W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters N2E8-E12
    N2E8-E12 Watlow Cartridge Heater 3/4ODx2.25L 120V 200W
    N2E8-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/4 in OD x 2-1/4 in sheath, 120VAC, 200 Watts total @ 49W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters N24A24-E12
    N24A24-E12 Watlow Cartridge Heater 3/4ODx24L 240V 1.375kW
    N24A24-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/4 in OD x 24 in sheath, 240VAC, 1.375 kilo Watts total @ 25W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters N24A23-E12
    N24A23-E12 Watlow Cartridge Heater 3/4ODx24L 240V 2.75kW
    N24A23-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/4 in OD x 24 in sheath, 240VAC, 2.75 kilo Watts total @ 50W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters N24A13
    N24A13-L12 Watlow Cartridge Heater 3/4ODx24L 240V 5.5kW
    N24A13-L12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/4 in OD x 24 in sheath, 240VAC, 5.5 kilo Watts total @ 100W/in2 density, 6 in solid copper pins. No flexible lead options available.
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