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Buck Stove ZCBB Vent-Free Firebox Enclosure | Natural Gas | 36-Inch Zero-Clearance Fireplace Box | Up to 40,000 BTU

SKU: NV ZCBB
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$1,099.00 $1,318.80
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Buck Stove ZCBB Vent-Free Firebox Enclosure | Natural Gas | 36-Inch Zero-Clearance Fireplace Box | Up to 40,000 BTU

  • Vent-free firebox enclosure for natural gas log sets

  • Zero-clearance (ZC) design for flexible installation

  • Accepts vent-free gas logs up to 40,000 BTU/hr

  • Designed for residential & approved manufactured homes

  • Universal box compatible with listed unvented log sets

  • Optional blower, mantel front, and wooden surround available

  • Made in the USA by Buck Stove

The Buck Stove ZCBB / NV ZCBB Vent-Free Firebox Enclosure is a 36 inch, zero-clearance, universal firebox system designed for use with listed vent-free natural gas log sets. Engineered for flexible installation, this firebox enclosure allows homeowners and builders to enjoy the look of a traditional fireplace without the need for a chimney or venting.

Built by Buck Stove in North Carolina, the ZCBB is approved for gas-fired unvented decorative room heaters up to 40,000 BTU, making it ideal for residential homes, manufactured homes (where permitted), remodels, and new construction projects. Its zero-clearance design allows installation directly against combustible framing, opening the door to custom surrounds, mantels, and finishing options such as stone, brick, or tile.

The ZCBB firebox enclosure includes factory-installed safety screens, a canopy, and heavy-duty steel construction. Optional accessories such as a flush mount mantel, wooden surround, and optional blower kit allow you to tailor the final installation to your space and heating needs.

If you’re looking for a vent-free natural gas fireplace solution that offers installation flexibility, classic aesthetics, and trusted American manufacturing, the Buck Stove ZCBB is a proven, contractor-approved choice.

Technical Specifications:

  • Product Type: Vent-Free Firebox Enclosure
  • Fuel Compatibility: Natural Gas
  • Maximum BTU Rating: Up to 40,000 BTU/hr (log set dependent)
  • Vent Type: Vent-Free (Unvented)
  • Installation Type: Zero-Clearance / Built-In
  • Firebox Classification: Universal Box
  • Approved Applications: Residential & approved manufactured homes
  • Construction: Heavy-duty steel with factory-installed canopy
  • Clearances: Zero-clearance to framing when installed per manual
  • Certification: ANSI Z21.91 Vent-Free Firebox Enclosures
  • Manufactured By: New Buck Corporation (USA)
  • Resources: User Manual

Optional Accessories:

  • MA ZCBB714 blower kit

  • Flush mount mantel (FF)

  • Wooden surround (WS)

Important Compliance Note:

This product is a firebox enclosure only and must be used with a listed vent-free decorative gas log set. It is not a standalone heater. Adequate combustion air must be provided per NFPA 54 / ANSI Z223.1 requirements.