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1-1/4" 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 AQ2 and EAQ2 models with 39-55 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 AQ2-SSN and EAQ2-SSN models with 39-55 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 CQ2 and ECQ2 models with 48-96 watt density (W/IN.²) are for use in clean water.

Steel Sheath with Steel Screw Plug (Nickel Brazed or Welded): Our SQ2 and ESQ2 models with 20-22 watt density (W/IN.²) 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)

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