Double Wall Insulated Grease Duct

Our prefabricated double wall round grease ducts are designed and built for vertical runs and don t require field welding or secondary insulation. 3g grease duct systems are tested and listed to ul 1978 and ul 2221. Double wall kitchen exhaust vent 3 ceramic insulated metal fab grease duct products are manufactured in a strictly controlled environment that enhances product precision reliability and safety.

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Double Wall Grease Duct

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Duct requires no on site welding and is leak tested at the factory for quality assurance.

Double wall insulated grease duct.

Outer wall constructed of ul 304 stainless steel inner wall constructed of 400 series stainless. Double wall zero clearance. Recommended duct sizes medium duty hood lengths 5 6 7 5. Double wall grease duct is etl listed to ul standard 1978 and ul standard 2221 grease duct enclosure assemblies.

Single wall grease duct is etl listed to ul standard 1978 grease ducts and can ulc s662. 12 diameter grease duct 45 degree elbow w access. Double wall exhaust systems insulated exhaust systems made of stainless steel. 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.

Grease duct systems for commercial kitchen s cooking areas. Access panel included no tools required. Double wall factory built grease duct is ideal for use in applications where reduced clearance or zero inch clearance to combustibles is needed. Conical kl silicone and gasket free joining push fit systems.

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