Model GRZ is an industry leader for double wall pre-fabricated grease duct systems. It is the first rectangular grease duct listed to UL 2221 / ULC S144 for zero clearance applications. The model GRZ is also a 2 hour fire rated duct.
Product features and benefits:
Model GRZ can be intermixed with our other round and rectangular grease duct products to maximize versatility and minimize costs while still offering the SAFEST kitchen ventilation system you can get. GRZ zero clearance grease duct is the safest choice in the industry over traditional field-fabricated black iron grease duct.
GRZ rectangular grease duct is suitable for interior and exterior installations. For more information on our GRZ product line, please watch our Model GRZ introduction video below.
If you are interested in viewing our Hotsy Pressure Test playlist, please click here.
GRM series rectangular double wall grease ducts are listed by UL as reduced clearance (2” to 17″) to combustibles “Grease Duct Assembly” and as “Grease Ducts for Restaurant Cooking Appliances” and has been tested in accordance with the procedures and methods set forth by UL 1978 / ULC S662 (Standard for Grease Ducts/Standard for Factory-Build Grease Ducts).
Product features and benefits:
Model GRS rectangular single wall grease ducts are listed by UL as 18″ clearance to combustibles “Grease Duct Assembly” and as “Grease Ducts for Restaurant Cooking Appliances” and has been tested in accordance with the procedures and methods set forth by UL 1978 / ULC S662 (Standard for Grease Ducts/Standard for Factory-Build Grease Ducts).
Product features and benefits:
Model GZ grease ducts are suitable for the removal of smoke and grease laden vapors from commercial, industrial, institutional, and similar cooking applications. It is listed grease duct to UL 2221 / ULC S144 for zero clearance applications. The model GZ is also a 2 hour fire rated duct.
Model GZ Features and Benefits:
Please watch our Model GZ introduction video below. If you are interested in viewing our Hotsy GZ Pressure Test playlist, please click here.
Model GA is standard with 1″ air space between the liner and shell. Optional material insulation of 1″, 2″, 3″ or 4″ thickness is available for Model G Plus. Our GA & G plus series is applied in situations where open shafts are available and zero clearance is not required. Inside diameters of 6″ through 36″ come standard with 20-gauge type 304 stainless steel inner liners. Other option are: