Mason's Choice Outside AirKit

Mason's Choice Outside AirKit

Regular price $183.00

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Outside air kits are an optional accessory that can be added to a FireRock fireplace to supplement combustion air and aid in improved smoke draw. Outside air kits should be installed and used in accordance with requirements of the standard for fireplaces under national code NFPA 211.

Follow manufacturer’s instructions for installation instructions and refer to local building code for proper sizing; UL 127 standard says the cross-sectional area of the air inlet must be 50% of the cross-sectional area of the flue or 25 in2, whichever is smaller.

Installation Manual

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