Designed to Vent Large Wood Burning Fireplaces

Tested and listed on the Renaissance fireplaces (among others) and used in a variety of industrial applications, the RIS chimney is able to safely vent larger volumes of flue gases than traditional chimney sizes.

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Model RIS is a type "A" factory-built chimney suitable for venting negative or neutral draft (non-pressurized) appliances including boilers, building heating equipment, fireplaces and stoves. RIS has been designed, tested, and listed to vent large wood burning fireplaces and to extend masonry chimneys.