Double Wall Insulated Grease Duct

Double wall zero clearance.

Double wall insulated grease duct.

Double wall factory built grease duct is ideal for use in applications where reduced clearance or zero inch clearance to combustibles is needed. Our prefabricated double wall round grease ducts are designed and built for vertical runs and don t require field welding or secondary insulation. Double wall grease duct is etl listed to ul standard 1978 and ul standard 2221 grease duct enclosure assemblies. Access panel included no tools required.

Grease duct systems for commercial kitchen s cooking areas. Recommended duct sizes medium duty hood lengths 5 6 7 5. Conical kl silicone and gasket free joining push fit systems. Duct requires no on site welding and is leak tested at the factory for quality assurance.

Not only has this patented ul 2221 classified product been tested for zero clearance to combustibles it eliminates the need for a fire rated chase with its 2 hour fire rating. 12 diameter grease duct 45 degree elbow w access. Double wall exhaust systems insulated exhaust systems made of stainless steel. Outer wall constructed of ul 304 stainless steel inner wall constructed of 400 series stainless.