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Envelope Behind Range Vent


  • Is it normal for a brown envelope to be seen behind the vents on a Dual Fuel (DF) or Induction Range (IR)?
  • Why is there a brown, tan, or manila envelope behind the vent on a DF or IR?
  • Is the envelope between the bullnose and oven cavity a safety or fire hazard?


It may be possible to see a brown envelop through the vents between the control knobs and the oven cavity on Dual Fuel Ranges (DF) or Induction Ranges (IR), this is considered normal.

  • Generally speaking, this envelope is not visible with the oven door closed.
  • The wiring diagram for the unit is located in this envelope and is placed near the primary electronics of the DF and IR.
  • The location of the envelope does not pose any safety or fire hazard.
  • Wolf does not suggest removing or moving the envelope.

For further assistance, contact the Sub-Zero Customer Care Team at [email protected], or call (800) 222-7820, Monday-Friday, 8:00 a.m. - 5:00 p.m. CST.


Need further assistance? Contact Customer Care at 800.222.7820 or provide your information below and request a Customer Care representative contact you.

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