Screw Plug Immersion Heaters
Standard Features for Screw Plug Heaters

Information Sheet
Frequently Asked Questions
Warren Electric Corporation has been manufacturing QUALITY Industrial Screw Plug Electric Heaters since 1962.
WEC Screw Plug Heaters consist of tubular elements that are brazed or welded to a screw plug and provided with Terminal Enclosures suited for your application.
Screw Plug Heaters are screwed directly into a tank wall or through a matching pipe coupling.

Screw Plug sizes up to 4 " NPT in Brass, Bronze, Carbon, and Stainless Steels are available.

Typical applications for screw plug heaters include, but are not limited to, process water heating, freeze protection, and the heating of oils, and heat transfer mediums.
We are dedicated to meeting and exceeding the needs and expectations of our customers for INNOVATIVE and RELIABLE heating solutions.
Whether it be STANDARD or CUSTOM, a REPLACEMENT or NEW DESIGN... please turn to us for COMPETITIVE PRICING and QUICK DELIVERY on your next Electric Heater application.

Screw Plug Immersion Heater Specifications | |
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0.5 to 100 kilowatts |
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Up to 600 volts, Single or 3 phase |
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1" to 3" NPT |
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Up to 300 PSIG |
Carbon Steel, Various Stainless Steels, Brass, Bronze | |
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Up to 130 inches |
Refer to Heater Element Sheath Material Options |
Our Applications Engineers and Technical Sales people are available to assist you. Please call our toll free "Heat Source" Hotline 1-877-399-HEAT (4328) or contact us.
Features / Options that are available in the manufacture of WEC flanged heaters include:
- Element Sheath Materials
- Screw Plug Materials
- Brazed or Welded Construction
- Temperature Control Options
- Terminal Enclosures
- Element Supports and Baffles
- Compact Designs
- Passivation or Electropolishing
- High-Temperature Applications
- Thermostats, Thermocouples, RTD's, etc...
- UL listings
- AME Certification
- CE Conformance for Export
Download the Warren Electric "Quick Quote" or request a quote online for assistance on your electric heater application!
Additional Features / Options for Screw Plug Heaters
- Immersion lengths to meet your WSI requirements
- Multiple Circuits
- Casings & Assemblies with options of your choice

Consider as an alternative to your Screw plug design, our...
"AB" Family of Flanged Immersion Heaters
The "AB" family of flanged heaters makes heater installation and replacement as easy as possible. Use our "AB" threaded adapter and "AB" flanged heaters to convert your screw plug application into a flanged application. Our welded tank adapter is available with a square end that gets welded directly to the tank wall. Both adapters can be provided with a swivel feature that allows you to position the terminal enclosure's conduit opening to any desired orientation. Please visit our "AB" flanged immersion heaters page or request our "AB Series" Brochure for more information.
How to Order, PLEASE: | |
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the "HEAT SOURCE" Hot Line 1-877-399-HEAT (4328) Toll Free |
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1-401-245-9331 |
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wec@warrenelectriccorp.com |
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a WEC "Quick Quote" |
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Fill out a "Quick Quote" Online |
Our Design Selector is also available online to assist you.
Products
Flanged Immersion Heaters Screw Plug Immersion Heaters Circulation Heaters Over-the-Side Heaters Casings & Assemblies Other Products / Accessories Thermostats / Controls Specifications / Options
Applications
Chemical Heaters Clean Water Heaters Cooking Oil Heaters Deinonized Water Heaters Fuel Oil Heaters Heat Transfer Fluid Heaters Hydraulic Oil Heaters Lube Oil Heaters Parts Cleaning Heaters Process Water Heaters More...
Technical Support
Application engineers and technical sales available to assist you…Industries Served
A variety of designs, standard and custom heaters, for industries.…Links
Links to web sites including UL, NEC, ASME, ISO…