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)

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Firerod

441 items

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  • Watlow firerod cartridge heaters G4J37-E12
    G4J37-E12 Watlow Cartridge Heater 3/8ODx4.25L 240V 500W
    G4J37-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/8 in OD x 4-1/4 in sheath, 240VAC, 500 Watts total @ 108W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters G4J33-E12
    G4J33-E12 Watlow Cartridge Heater 3/8ODx4.25L 240V 300W
    G4J33-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/8 in OD x 4-1/4 in sheath, 240VAC, 300 Watts total @ 65W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters G4E25-E12
    G4E25-E12 Watlow Cartridge Heater 3/8ODx4.25L 240V 300W
    G4E25-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/8 in OD x 4-1/4 in sheath, 240VAC, 300 Watts total @ 67W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters G4E15-E12
    G4E15-E12 Watlow Cartridge Heater 3/8ODx4.25L 240V 750W
    G4E15-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/8 in OD x 4-1/4 in sheath, 240VAC, 750 Watts total @ 167W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters G4A96-E12
    G4A96-E12 Watlow Cartridge Heater 3/8ODx4L 120V 500W
    G4A96-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/8 in OD x 4 in sheath, 120VAC, 500 Watts total @ 123W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters G4A95-E12
    G4A95-E12 Watlow Cartridge Heater 3/8ODx4L 240V 300W
    G4A95-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/8 in OD x 4 in sheath, 240VAC, 300 Watts total @ 74W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters G4A94-E12
    G4A94-E12 Watlow Cartridge Heater 3/8ODx4L 120V 300W
    G4A94-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/8 in OD x 4 in sheath, 120VAC, 300 Watts total @ 74W/in2 density, 6 in solid copper pins. No flexible lead options available.
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  • Watlow firerod cartridge heaters G4A92-E12
    G4A92-E12 Watlow Cartridge Heater 3/8ODx4L 240V 500W
    G4A92-E12

    Watlow

    Product Type: Cartridge Heaters

    Watlow FIREROD Cartridge Heater, 3/8 in OD x 4 in sheath, 240VAC, 500 Watts total @ 123W/in2 density, 6 in solid copper pins. No flexible lead options available.
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