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 L3A81-E12
    L3A81-E12 Watlow Cartridge Heater 5/8ODx3L 120V 150W
    L3A81-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 5/8 in OD x 3 in sheath, 120VAC, 150 Watts total @ 31W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters L3A71-E12
    L3A71-E12 Watlow Cartridge Heater 5/8ODx3L 240V 750W
    L3A71-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 5/8 in OD x 3 in sheath, 240VAC, 750 Watts total @ 154W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters L3A33-E12
    L3A33-E12 Watlow Cartridge Heater 5/8ODx3L 240V 500W
    L3A33-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 5/8 in OD x 3 in sheath, 240VAC, 500 Watts total @ 103W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters L3A113-E12
    L3A113-E12 Watlow Cartridge Heater 5/8ODx3L 120V 500W
    L3A113-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 5/8 in OD x 3 in sheath, 120VAC, 500 Watts total @ 102W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters L36A8-E12
    L36A8-E12 Watlow Cartridge Heater 5/8ODx36L 240V 3kW
    L36A8-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 5/8 in OD x 36 in sheath, 240VAC, 3 kilo Watts total @ 43W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters L2E51-E12
    L2E51-E12 Watlow Cartridge Heater 5/8ODx2.25L 240V 350W
    L2E51-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 5/8 in OD x 2-1/4 in sheath, 240VAC, 350 Watts total @ 103W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters L2E49-E12
    L2E49-E12 Watlow Cartridge Heater 5/8ODx2.25L 120V 100W
    L2E49-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 5/8 in OD x 2-1/4 in sheath, 120VAC, 100 Watts total @ 29W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters L2E40-E12
    L2E40-E12 Watlow Cartridge Heater 5/8ODx2.25L 120V 350W
    L2E40-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 5/8 in OD x 2-1/4 in sheath, 120VAC, 350 Watts total @ 103W/in2 density, 6 in solid copper pins. No flexible lead options available.
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