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Orders placed after 12/16/24 may not arrive before Christmas.
Orders placed after 12/16/24 may not arrive before Christmas.

2" NPT Screw Plug Immersion Heaters

If in doubt about what is required or best-suited for your application, please contact us at 1-724-872-5007 or rheinhold@thermcoil.com. 

Available Unregulated (No Thermostat) or Regulated (With Thermostat):

  • 60°-250°F Thermostat Control: This is the default thermostat temperature range if you choose a regulated heater.
  • Alternate Temperature Ranges Are Available (Contact Us!):

            ●  30°-110°F
            ●  200°-550°F

NOTE - Regulated Models Require A Magnetic Contactor (sold separately) Unless They Are Rated:

  • ≤240V And Single-Phase With An Amperage Rating Of 25 Amps Or Less.

    Materials Available:

    If in doubt about which materials are required for your application, please contact us at 1-724-872-5007 or rheinhold@thermcoil.com.

    • INCOLOY® Sheath with Brass Screw Plug (Silver Brazed): Our A and EA models with 45-55 watt density (W/IN.²) are for use in clean water, some marine environments including brackish water and seawater with moderate to low currents, and select mildly corrosive liquids (absolutely no hydroxides, cyanides, or oxidizing acids).
    • INCOLOY® Sheath with Stainless Steel Screw Plug (Nickel Brazed or Welded): Our A-SSN and EA-SSN models with 45-55 watt density (W/IN.²) are suitable for clean water and corrosive liquids, such as process water with less than 6% alkaline or acid content; up to 2% caustic solutions.  These models are also suitable for demineralized or deionized water.
    • Copper Sheath with Brass Screw Plug (Silver Brazed): Our C and EC models with 39-66 watt density (W/IN.²) are for use in clean water.
    • Steel Sheath with Steel Screw Plug (Nickel Brazed or Welded): Our S and ES models with 20-23 watt density (W/IN.²) are for use in oils.

          Enclosure:

          • NEMA 1, General Purpose Enclosure: the default enclosure type.

                      ●  Weather-Resistant Enclosures
                      ●  Explosion-Resistant Enclosures (Also Dust & Weather-Resistant)

           

              Filters

              • A-3021-WXP Model: 3000W @ 208V 1-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
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                A-3021-WXP Model: 3000W @ 208V 1-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
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                Call for Availability

                Therm Coil A-3021-WXP Models Drawing Number: 352K-1255-004 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

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              • A-3023-WXP Model: 3000W @ 208V 3-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
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                A-3023-WXP Model: 3000W @ 208V 3-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
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                Therm Coil A-3023-WXP Models Drawing Number: 352K-1254-004 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

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              • Call for Availability

                A-3041-SSN Model: 3000W @ 240V 1-Phase 9" Immersion Length Unregulated Incoloy Sheath With Stainless Steel 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
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                Therm Coil A-3041-SSN Model Drawing Number: 352F-1100-045 Incoloy Sheath Elements With Stainless Steel Plug: If in doubt about which materials are ...

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              • A-3041-WXP Model: 3000W @ 240V 1-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
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                A-3041-WXP Model: 3000W @ 240V 1-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
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                Therm Coil A-3041-WXP Models Drawing Number: 352K-1255-005 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

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              • Call for Availability

                A-3043-SSN Model: 3000W @ 240V 3-Phase 9" Immersion Length Unregulated Incoloy Sheath With Stainless Steel 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
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                Therm Coil A-3043-SSN Model Drawing Number: 352F-1100-005 Incoloy Sheath Elements With Stainless Steel Plug: If in doubt about which materials are ...

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              • A-3043-WXP Model: 3000W @ 240V 1-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
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                A-3043-WXP Model: 3000W @ 240V 1-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
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                Call for Availability

                Therm Coil A-3043-WXP Models Drawing Number: 352K-1254-005 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

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                $ 0.00 - $ 0.00
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              • A-3051-WXP Model: 3000W @ 480V 1-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-3051-WXP Model: 3000W @ 480V 1-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
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                Call for Availability

                Therm Coil A-3051-WXP Models Drawing Number: 352K-1255-006 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

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                $ 0.00 - $ 0.00
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              • Call for Availability

                A-3053-SSN Model: 3000W @ 480V 3-Phase 9" Immersion Length Unregulated Incoloy Sheath With Stainless Steel 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
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                Call for Availability

                Therm Coil A-3053-SSN Model Drawing Number: 352F-1100-006 Incoloy Sheath Elements With Stainless Steel Plug: If in doubt about which materials are ...

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                $ 0.00 - $ 0.00
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                Call for Availability
              • A-3053-WXP Model: 3000W @ 480V 3-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-3053-WXP Model: 3000W @ 480V 3-Phase 9" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
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                Call for Availability

                Therm Coil A-3053-WXP Models Drawing Number: 352K-1254-006 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

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                $ 0.00 - $ 0.00
                $ 0.00
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                Call for Availability
              • A-4021-WXP Model: 4000W @ 208V 1-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-4021-WXP Model: 4000W @ 208V 1-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
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                Call for Availability

                Therm Coil A-4021-WXP Models Drawing Number: 352K-1255-007 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

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                $ 0.00 - $ 0.00
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                Call for Availability
              • A-4023-WXP Model: 4000W @ 208V 3-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-4023-WXP Model: 4000W @ 208V 3-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

                Therm Coil A-4023-WXP Models Drawing Number: 352K-1254-007 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

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                $ 0.00 - $ 0.00
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                Call for Availability
              • A-4041-WXP Model: 4000W @ 240V 1-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-4041-WXP Model: 4000W @ 240V 1-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

                Therm Coil A-4041-WXP Models Drawing Number: 352K-1255-008 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

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                $ 0.00 - $ 0.00
                $ 0.00
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                $ 0.00
                Call for Availability
              • A-4043-WXP Model: 4000W @ 240V 3-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-4043-WXP Model: 4000W @ 240V 3-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

                Therm Coil A-4043-WXP Models Drawing Number: 352K-1254-008 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

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                $ 0.00 - $ 0.00
                $ 0.00
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                $ 0.00
                Call for Availability
              • A-4051-WXP Model: 4000W @ 480V 1-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-4051-WXP Model: 4000W @ 480V 1-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

                Therm Coil A-4051-WXP Models Drawing Number: 352K-1255-009 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

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                $ 0.00 - $ 0.00
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                $ 0.00
                Call for Availability
              • A-4053-WXP Model: 4000W @ 480V 3-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-4053-WXP Model: 4000W @ 480V 3-Phase 12" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

                Therm Coil A-4053-WXP Models Drawing Number: 352K-1254-009 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

                View full details
                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability
              • A-5021 Models: 5000W @ 208V 1-Phase 13" Immersion Length Non-regulated Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-5021 Models: 5000W @ 208V 1-Phase 13" Immersion Length Non-regulated Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

                Therm Coil A-5021 Model Drawing Number: 352F-1255-010 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are required...

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                $ 0.00 - $ 0.00
                $ 0.00
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                $ 0.00
                Call for Availability
              • A-5021-WXP Model: 5000W @ 208V 1-Phase 13" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-5021-WXP Model: 5000W @ 208V 1-Phase 13" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

                Therm Coil A-5021-WXP Models Drawing Number: 352K-1255-010 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

                View full details
                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability
              • A-5023 Models: 5000W @ 208V 3-Phase 13" Immersion Length Non-regulated Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-5023 Models: 5000W @ 208V 3-Phase 13" Immersion Length Non-regulated Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

                Therm Coil A-5023 Model Drawing Number: 352F-1254-010 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are required...

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                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability
              • Call for Availability

                A-5023-WXP Model: 5000W @ 208V 3-Phase 13" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

                Therm Coil A-5023-WXP Models Drawing Number: 352K-1254-010 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

                View full details
                $ 0.00 - $ 0.00
                $ 0.00
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                $ 0.00
                Call for Availability
              • A-5031 Models: 5000W @ 380V 1-Phase 13" Immersion Length Non-regulated Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-5031 Models: 5000W @ 380V 1-Phase 13" Immersion Length Non-regulated Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
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                Call for Availability

                Therm Coil A-5031 Model Drawing Number: 352F-1255-031 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are required...

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                $ 0.00 - $ 0.00
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                Call for Availability
              • A-5041 Models: 5000W @ 240V 1-Phase 13" Immersion Length Non-regulated Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-5041 Models: 5000W @ 240V 1-Phase 13" Immersion Length Non-regulated Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

                Therm Coil A-5041 Model Drawing Number: 352F-1255-011 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are required...

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                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

              • A-5041-SSN Model: 5000W @ 240V 1-Phase 13" Immersion Length Unregulated Incoloy Sheath With Stainless Steel 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                4+ in stock

                Therm Coil A-5041-SSN Model Drawing Number: 352F-1100-051 Incoloy Sheath Elements With Stainless Steel Plug: If in doubt about which materials are ...

                View full details
                $ 0.00 - $ 0.00
                $ 0.00
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                $ 0.00
              • A-5041-WXP Model: 5000W @ 240V 1-Phase 13" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-5041-WXP Model: 5000W @ 240V 1-Phase 13" Immersion Length Explosion/Moisture-Resistant, Non-regulated, Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability

                Therm Coil A-5041-WXP Models Drawing Number: 352K-1255-011 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are req...

                View full details
                $ 0.00 - $ 0.00
                $ 0.00
                $ 0.00 - $ 0.00
                $ 0.00
                Call for Availability
              • A-5043 Models: 5000W @ 240V 3-Phase 13" Immersion Length Non-regulated Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements
                Call for Availability

                A-5043 Models: 5000W @ 240V 3-Phase 13" Immersion Length Non-regulated Incoloy Sheath With Brass 2" NPT Screw Plug Immersion Elements

                $ 0.00 - $ 0.00
                $ 0.00
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                $ 0.00
                Call for Availability

                Therm Coil A-5043 Model Drawing Number: 352F-1254-011 Incoloy Sheath Elements With Brass Screw Plug: If in doubt about which materials are required...

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                $ 0.00 - $ 0.00
                $ 0.00
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                Call for Availability

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