The ST333 has been specially crafted by JPW Industrial Ovens &Furnaces to be thicker, stronger and more durable than competing models. Available in both low-heat and high-heat models as well as electrical or gas heating. With proper use and maintenance, the ST333 can last a lifetime.


Standard Features:

  • UL Listed control enclosures
  • Designed to NFPA 86
  • TEFC motors (Totally Enclosed Fan Cooled) — For harsh environments and long life
  • Controls — All digital, microprocessor, thermocouple input temperature controller
  • Circuit breakers on motor in lieu of fusing — Easy troubleshooting and no fuses required for motors (IN US ONLY)
  • Oven on switch — Illuminated
  • Heat on switch — Illuminated
  • Batch Timer; Shuts heat off at the end of a timed cycle (on models with single set point controllers only)
  • SSR or SCR power controllers
  • High volume recirculation blowers or fans
  • Pressure differential switches — In the event of the loss of air, the heating system will shut down
  • 8-pound density mineral wool board insulation
  • Voltage-specific
  • Aluminized interior
  • Painted exterior
  • Incoloy sheathed heating elements
  • Ceramic cloth with stainless core
  • Pressure relief latches
Optional Features:

  • Forced exhaust packages
  • Gas fueled — natural or propane
  • Programmable controllers
  • Recorders
  • Solvent rated
  • Door switch
  • Shelves
  • Proportional dampers
  • Inert Gas purge & process
  • Viewing window
  • Interior light
  • Stainless interior
  • Stainless sealed interior
  • Wall ports
  • Cascade controlling (2 loops, typically one air and one product)
  • Class 1, Div 2
  • 24/7 timer
  • Audible and visible alarm indicators
  • Vertical lift door
  • Custom designs
  • Disconnects
  • Pass-through doors
  • Stand
  • Extra KW
ST323A with doors open