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SC48V Drum Hot Box 

LEWCO Drum Heaters are the most common and economically priced solution for elevated temperature storage and heating. The Multi-Level design allows for optimal use of floor space, making it the ideal solution in a crowded plant. Constructed with an insulated base and spill containment sump, multi-level drum heaters are intended for loading and unloading with a forklift. All models feature our signature all-welded steel, heavy-duty construction and simple, user-friendly controls. Each unit comes complete with a (3) year warranty and is fully assembled, wired, and tested prior to shipment. 

  • Cost-Effective
  • Dependable
  • Energy Efficient
  • Quality Built
  • Safe Operation
ISO 9001:2008 Registered Company

Operating Temperature

125°F (52°C) to 300°F (150°C)

Note: Maximum achievable temperature is dependent on steam pressure



(48) 55-gallon drums palletized; 2,700 lbs. per pallet


Heat Source & Capacity

Saturated steam, 10-200 PSIG . All heat exchangers are welded by A.S.M.E. certified welders and then hydro-tested at 300 PSIG. 

  • Heat Exchanger: 672 sq. ft. or 1,008 sq. ft.
  • Hot oil and hot water (5-100 PSIG) also available.


Additional Options

  • (2) Circulation fans: 1,048 CFM each, TEFC motors. Explosion-proof motors also available.
  • Steam traps, 0-29 PSIG
  • Outdoor Service Package: Premium finish, door trim, and NEMA 3 enclosure. 
  • 5" exhaust vent with damper
  • Adjustable leveling legs
  • Auxiliary hose access port  
  • Drum rotator 
  • Stainless steel construction



Unit is disassembled into (2) sections for shipping. Flanged connections and detailed reassembly instructions make for easy installation. View our Guide to A Successful Hot Box Installation.

Control System Options

  • No controls
  • Non-electronic, self-acting temperature controller, limited to 150 psig, available in the following ranges:
    • 125°-212°F, ½” valve
    • 158°-300°F, ½” valve
  • 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.  Independent third party inspections available.

            Electronic Control Options:Drum & Tote Controls Image

    • NEMA 7 explosion-proof enclosure 
    • IP65 enclosure (meets NEMA 12, 3R, and 4X)
    • Batch Timer: Infinitely adjustable up to 100 hours; includes illuminated On/ Off switch to indicate timed operation and audible alarm when time has elapsed.
    • Chart Recorder: Single pen circular paper chart recorder for continuous monitoring of temperature data. Comes with (1) Type “J” thermocouple input.
    • 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

  • 175 gallon capacity 
  • Sump drain, 1” NPT


Workspace Dimensions

225.50" W x 55" D x 47" H (workspace height per each level) 



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

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