1" 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 AO and 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).

• INCOLOY® Sheath with Stainless Steel Screw Plug (Nickel Brazed or Welded): Our AO-SSN and EAO-SSN models with 45-56 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 CO and ECO models are for use in clean water.

• Steel Sheath with Steel Screw Plug (Nickel Brazed or Welded): Our SO and ESO models are for use in lightweight oils.

Enclosure:

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

• Alternate Enclosures Are Available (Contact Us!):

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