Zflex cat 3 stainless flue pipe 4 inch.
Category 3 venting system.
These vent systems must be constructed of al29 4c stainless steel contain gaskets for sealing and have a built in mechanical locking band among other requirements.
Z vent is now manufactured utilizing a fail safe gasket connection.
These vent systems must be constructed of al29 4c stainless steel contain gaskets for sealing and have a built in mechanical locking band among other requirements.
Our nbsp saf t vent reg nbsp line of products are perfect for your commercial and industrial needs.
Category iii refers to positive vent pressure which is created by exhaust blowers in unit heaters.
Ansi category i ii ii and iv appliances.
Time tested installations throughout north america and globally.
Z vent was developed in the early 1980s and has thousands of field installations to date.
Category iii refers to positive vent pressure which is created by exhaust blowers in unit heaters.
Heatfab nbsp is the leading manufacturer of high quality venting systems for special gas vent applications specified by oems for nbsp over 20 years.
Category iii vent pipe al29 4c for use in boilers tankless water heaters pool heaters and other appliances requiring category iii stainless vent pipe or category 3 vent pipe.
In short it is a us standard for gas venting systems required in category iii applications.