Buck Stove ZCBB Vent-Free Firebox Enclosure | Natural Gas | 36-Inch Zero-Clearance Fireplace Box | Up to 40,000 BTU
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Vent-free firebox enclosure for natural gas log sets
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Zero-clearance (ZC) design for flexible installation
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Accepts vent-free gas logs up to 40,000 BTU/hr
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Designed for residential & approved manufactured homes
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Universal box compatible with listed unvented log sets
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Optional blower, mantel front, and wooden surround available
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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
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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:
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MA ZCBB714 blower kit
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Flush mount mantel (FF)
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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.
