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    Immersion Heaters

    Screw Plug Style - Industrial Grade

    Commercial Grade, Screw Plug Heaters are intended for direct immersion to heat a variety of fluids to specific temperatures. The heater element is designed to be installed into a female threaded port in an existing tank or vessel. Available in different materials for a wide variety of heating applications with or without thermostats.

    Units shown feature general purpose, indoor rated housings with adjustable thermostats for 30° to 250° F. control temperatures. (Outdoor NEMA 4 or Hazardous NEMA 7 housings are also available on special order). Voltage ratings are single phase, 120 volt or 120/240 volt as shown. (3 Phase available). UL and CSA rated. Steel or Incoloy sheath elements are available with 1", 1-1/4", 1-1/2" or 2" Male NPT threads (Stainless is also available).

    Common sizes are shown, but immersed length, wattage and volts can be made in most any configuration to meet your needs. (Non-stock models are special made to order and are non-returnable).
    Manufacturer: Watlow Electric
    0Types Available
    Picture of Immersion Heater, 1" MPT 304SS Plug, Incoloy Sheath, 1000W, 120V, 10-1/2" Long, 6-5/8" Immersed
    Immersion Heater, 1" MPT 304SS Plug, Incoloy Sheath, 1000W, 120V, 10-1/2" Long, 6-5/8" Immersed
    Immersion Tank Heater, 1IN Mpt, Incoloy Element, 6-5/8IN Immersed Length, 30-250F Thermostat, 120 Volt, 1000 Watt
    $297.00 / EA
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    Picture of Immersion Heater, 1" MPT 304SS Plug, Incoloy Sheath, 2000W, 120V, 16-3/8" Long, 12-1/2" Immersed
    Immersion Heater, 1" MPT 304SS Plug, Incoloy Sheath, 2000W, 120V, 16-3/8" Long, 12-1/2" Immersed
    Immersion Tank Heater, 1IN Mpt, Incoloy Sheath, 12-1/2IN Immersed Length, 30-250F Thermostat, 120 Volt, 2000 Watt
    $299.00 / EA
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    Picture of Immersion Heater, 1-1/4" MPT 304SS Plug, Incoloy Sheath, 2000W, 120/240V, 12-7/16" Long, 8-1/2" Immersed
    Immersion Heater, 1-1/4" MPT 304SS Plug, Incoloy Sheath, 2000W, 120/240V, 12-7/16" Long, 8-1/2" Immersed
    Immersion Tank Heater, 1-1/4 Mpt, Incoloy, 8.45IN Immersed Length, With 30-250F Thermostat, 1 Phase, 120/240 Volt, 2000 Watt
    $387.00 / EA
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    Picture of Immersion Heater, 1-1/4" MPT Steel Plug, Steel Sheath, 1000W, 120/240V, 16-11/16" Long, 12-3/4" Immersed
    Immersion Heater, 1-1/4" MPT Steel Plug, Steel Sheath, 1000W, 120/240V, 16-11/16" Long, 12-3/4" Immersed
    Immersion Tank Heater, 1-1/4IN Mpt, Steel, 12-3/4IN Immersed Length, With 30-250F Thermostat, 120/240 Volt, 1 Phase, 1000 Watt
    $419.00 / EA
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    Picture of Immersion Heater, 1" MPT Steel Plug, Steel Sheath, 1000W, 120V, 20-5/8" Long, 16-3/4" Immersed
    Immersion Heater, 1" MPT Steel Plug, Steel Sheath, 1000W, 120V, 20-5/8" Long, 16-3/4" Immersed
    Immersion Tank Heater, 1IN Mpt, Steel, 16-3/4IN Immersed Length, With 30-250F Thermostat, 1 Phase 120 Volt, 1000 Watt
    $367.00 / EA
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    Picture of Immersion Heater, 2" MPT 304SS Plug, Incoloy Sheath, 2000W, 120/240V, 21-13/16" Long, 11-1/8" Immersed
    Immersion Heater, 2" MPT 304SS Plug, Incoloy Sheath, 2000W, 120/240V, 21-13/16" Long, 11-1/8" Immersed
    Immersion Tank Heater, 2IN Mpt, Incoloy, 11-1/8IN Immersed Length with 30-250F Thermostat, 120/240 Volt 1 Phase, 3000 Watt
    $835.00 / EA
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    Picture of Immersion Heater, 2" MPT Steel Plug, Steel Sheath, 2000W, 120/240V, 21-13/16" Long, 17-1/2" Immersed
    Immersion Heater, 2" MPT Steel Plug, Steel Sheath, 2000W, 120/240V, 21-13/16" Long, 17-1/2" Immersed
    Immersion tank Heater, 2IN Mpt, Steel, 17-1/2IN Immersed Length, 30-250F Thermostat, 2000 Watt, 120/240 Volt
    $649.00 / EA
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    DELAY MY SHIPMENT until all in-stock items AND backordered items are available in one warehouse before shipping. (You will receive only one freight bill if you choose this option).

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    Ship my in-stock items now, ship my backordered items when they become available. (You will be billed for each shipment).

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    Additional Information

    Material Options:
    Steel Sheath, Steel Plug: Fuel oils, hydraulic oils, degreasing solutions and other non-corrosive liquids.

    Incoloy® Sheath, 304SS Plug: Caustic solutions, degreasing products,process water and cleaning solutions.