Companion proofer to Belshaw Adamatic OVEN-2020 Rack Oven

Full featured 2-door Rack Proofer for 2 double or 4 single racks.

PRF-2022 is a full featured double rack proofer designed for use independently or alongside Belshaw Adamatic's OVEN-2020 Rack Oven. Like its companion Rack Oven, PRF-2022 is designed, manufactured and serviced entirely in USA.


  • Holds 2 double baking racks, or 4 single racks
  • Fully regulated heat and humidity system
  • Touch screen control panel
  • 4 independent timers available
  • Indicator light showing when proofer is in use
  • Hi-temperature safety switch
  • LED interior lighting
  • No-ramp design for fastest load/unload
  • 90.25" overall height suitable for locations with ceilings 102.25" or above
  • Durable construction, stainless steel throughout.
  • Knock down shipment for on-site assembly
  • Proofer ships with separate panels fastened with cam lock system
  • 1 year parts and labor warranty
  • Certified by UL for safety & sanitation
  • Designed, manufactured and serviced in USA


  • Independent countdown timers for each rack, enabling bakers to monitor progress exactly at all times
  • Color coded indicators to show whether actual temperature/humidity are above or below set points
  • Energy saving mode, engages automatically after 60 minutes of inactivity.
  • Specific heat, humidity and timing settings may be selected in settings screen – or retain factory defaults
  • Convenience functions such as Reset and Pause Timer, to allow for exact timing of each rack insertion
  • Auto-ON and Auto-OFF available for every day of the week


  • PRF-2021 is a single door proofer, capacity 1 double or 2 single racks.
  • Features and functions listed above are identical.


  • 71” Overall width
  • 60” Overall depth, includes overhang
  • 84¼” Overall depth, with doors open
  • 92¼” Overall height
  • 31½” Door width, each door
  • 71” x 60" Footprint, doors closed
  • 71” x 84¼" Footprint, doors open


  • 12" top
  • 0" side
  • 9" back



  • 208 - 240V, 60 Hz, 3-phase
  • 5.3 - 7.1 KW
  • 15.5 - 17.8 Amps


  • ½" NPT with filter, 30 psi minimum, 83" above floor
  • Water should be 2–4 grains/gall hardness, 7–8 pH, 0–30 ppm chlorides
  • Drain 1/2" NPTM, 3" above floor

Heat / Humidity Range

  • Maximum Heat setting 110° F (43.3° C)
  • Minimum Heat setting 70° F (21.1° C)
  • Maximum Humidity setting 90% Relative Humidity
  • Minimum Humidity setting 40% Relative Humidity


  • Installation must be carried out or supervised by factory authorized technician.
  • Proofer must be mounted on floor of non-combustibe construction and material according to NFPA 54.
  • Floor should be level to within 3/4" under oven.
    • Slope should not exceed 1/8" per foot in any direction
  • 104¼" ceiling height recommended to allow better access to services
    • Note: Belshaw OVEN-2020 minimum recommended ceiling height is 130"
  • Customer is responsible for utility connections to comply with applicable codes

Specification sheet

Interested in this product?

Speak with a customer service representative today! Call

1-800-BELSHAW (800.578.2547)
or (+1) 206.322.5474

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