Model: EC12S

Operating Temperature

125°F (52°C) to 300°F (150°C)


(12) 55-gallon drums palletized; 2,700 lbs. per pallet

Heat Source & Capacity

18 kW electric, low watt density Incoloy® heaters provide years of trouble-free service.

NOTE: Electric hot boxes are not suitable for heating flammable or combustible materials; nor intended for installation in electrically classified areas.

Electrical Requirements

Voltage: 480/3/60. Please consult factory for additional voltage options.

Disconnect Size: 60 AMPS.

Additional Options


Ships completely assembled for easy installation. Simply connect utilities and your hot box is ready for use!  Weighs approximately 5,000 lbs. View our Guide to A Successful Hot Box Installation.

Control System

Single set-point digital temperature controller and redundant high-limit controller housed in a NEMA 12 enclosure with full voltage lockable disconnect switch.  Controls are designed and wired to NFPA 70 and 79 electrical standards in our own UL508A certified panel shop. Independent third party inspections available.


  • Batch Timer: Infinitely adjustable up to 100 hours; includes illuminated On/ Off switch to indicate timed operation and audible alarm when time has elapsed.
  • Data Logger: Multiple input digital data logger continuously records temperature and other process data. Allows downloading of digital data files through USB or Ethernet connection. Data can also be viewed on a full color display or on a web server when connected to a network.
  • Door Switch: Automatically disables heat when door is opened.

Standard hot box construction includes an all welded 1/8″ steel shell with 3″ x 6# mineral wool insulation. Heat loss is minimized by a proprietary wall design featuring a welded inner shell and a completely isolated outer frame and covers. This model features top-mounted lifting eyes for easy installation and transportation.

Spill Containment

  • 281 gallon capacity
  • Sump drain, 1” NPT

Workspace Dimensions

165″ W x 53″ D x 47″ H


Heavy-duty doors with strap hinges, 3-point latch system, and high-temperature silicone rubber gaskets create a tight seal for efficient heating. This model features an interior door release mechanism for added safety.


  • Standard: Blue or gray alkyd enamel
  • Optional: Premium finish for corrosive environments
  • Viscosity Reduction
  • Melting
  • Elevated Temperature Storage

LEWCO Drum Heaters are designed and manufactured to industry standards. Our engineers stay current with the latest revisions to these standards. If there is a specific industry standard or code compliance that you require for your process heating application, please contact one of our highly knowledgeable Applications Engineers to learn how LEWCO can help!

Industry Standards