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Therm-Coil Mfg. will be closed July 4-8, 2024 to allow us to celebrate Independence Day with our families.
Therm-Coil Mfg. will be closed July 4-8, 2024 to allow us to celebrate Independence Day with our families.

EAO-3041 Model: 3000W @ 240V 1-Phase 18" Immersion Length Regulated Incoloy Sheath With Brass 1" NPT Screw Plug Immersion Elements

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Original price $ 512.00
Original price $ 512.00 - Original price $ 512.00
Original price $ 512.00
Current price $ 435.20
$ 435.20 - $ 435.20
Current price $ 435.20
Call for Availability

Therm Coil EAO-3041 Models

Drawing Number: 358B-1020-012

Incoloy Sheath Elements With Brass Screw Plug:

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

  • INCOLOY® Sheath with Brass Screw Plug (Silver Brazed): Our EAO-models with 45-56 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).

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.


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

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

General Information:

  • Includes Thermowell: accommodates up to 3/8" DIA. sensing bulb.
  • Screw plug immersion heaters must be fully covered by your liquid to prevent heater failure. (Other medium applications are possible, but require factory consultation.)
  • All 240V models have the option to be operated at 208 VAC with a 25% reduction in wattage rating - see 'Model Specific Information' below.

General Technical Specifications

  • Element Sheath Material: Incoloy 800
  • Quantity Of Elements: 2
  • Phasing: Single-Phase
  • Immersion Length: (C Dim.)
  • Terminal Connections: #10-32 Lug Terminals & Includes (3x) 7" Lead Wires
  • Screw Plug Size: 1" NPT
  • Screw Plug Material: Brass
  • Enclosure Type: NEMA 1 General Purpose
  • Thermowell Accommodates Sensing Bulb Size: .375" DIA.
  • Temperature Control Type: Adjustable SPST Thermostat
  • Temperature Control Range: 60°-250°F

Model Specific Information:

  • 3,000W @ 240VAC (1-Phase)
  • 18" Immersion length (C DIM.)
  • Watt density of 56 W/IN.².
  •  If used at 208VAC, it operates at 2,253 W with a watt density of 42 W/IN.².

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