Reconditioned Piper Products OP-4-JJ Electric Proofer/Oven

This Piper Products OP-4-JJ Proofer/Oven gives you complete control over every step of the proofing and baking process. Both the proofer and the oven have their own individual thermostatic controls. The oven decks are individually thermostatically controlled, providing precise baking every time. The Piper Products Electric Proofer Oven has a compact build, making this a great addition to smaller bakeries needing to consolidate space without sacrificing efficiency.


Make An Offer
SKU: OP-4-JJ Categories: , ,

Pre-Owned, Liquidation and Bank Repo equipment items are Sold “as is, where is” no warranty. Buyer responsible for removal and transport unless stated otherwise. Shipping available for selected Pre-Owned Items.

Reconditioned equipment include a warranty provided by our refurbisher. Call for details.

Will consider all reasonable offers on all Pre-Owned equipment.


Features & Benefits

  • Stainless steel construction
  • Thermostatically controlled oven and proofer
  • 10 controls
  • Four oven positions with individual deck heat controls
  • One dial controls oven’s top heat
  • 60 minute timer
  • Indicator lights for each control
  • Humidity tray included in bottom of proofer
  • Temperature and humidity controls for proofer
  • 8 proofer racks
  • Magnetic door closure
  • UL listed


  • Make: Piper Products
  • Model: OP-4-JJ
  • Serial: 18250
  • Volts: 208
  • Phase: 3
  • Amps: 26
  • Dimensions: 74-1/4″(h) x 13-3/4″(w) x 33-1/4″(d)
  • Weight: 500 lbs.


This Piper Products Electric Proofer-Oven was tested by our in-house technicians. The unit was inspected, and all electrical components were tested for shorts and frayed wiring, and fixed if any problems were found. Additionally, this unit was tested for several hours to ensure that it can operate properly. This Piper Products OP-4-JJ Proofer Oven passed all quality control tests and is in good condition.

Additional information

Weight 500 lbs