Van-Packer products

DW is our flagship product line, used in high temperature and combustion gas venting. This product is the most versatile product offered in the industry.

The GRZ rectangular grease duct system provides an advanced solution for efficient kitchen ventilation. As the first of its kind to be UL 2221 / ULC S144 listed for zero clearance applications, it combines safety and functionality. The GRZ duct is designed with a double wall that enhances durability and safety in high-temperature environments. It can be used for both interior and exterior installations, offering versatility in various building layouts. Compatible with other round and rectangular grease duct products, it allows for customizable system configurations, reducing overall installation costs. The GRZ is engineered for superior performance, rated with a 2-hour fire resistance that ensures reliability under extreme conditions. Additionally, its construction from high-grade materials ensures longevity and minimal maintenance. The GRZ model is also designed to intermix with other products within the family, making it the most adaptable solution for modern kitchen ventilation needs. As such, it sets a new standard for safety and efficiency in commercial cooking environments.

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. 

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).

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).