Category iii refers to positive vent pressure which is created by exhaust blowers in unit heaters.
Category 3 venting system.
Our nbsp saf t vent reg nbsp line of products are perfect for your commercial and industrial needs.
Ansi category i ii ii and iv appliances.
Z vent is manufactured using al29 4c advanced ferritic stainless steel with unmatched corrosion resistance for use with condensing furnaces and boilers.
Z vent is now manufactured utilizing a fail safe gasket connection.
Heatfab nbsp is the leading manufacturer of high quality venting systems for special gas vent applications specified by oems for nbsp over 20 years.
Boilers water heaters and furnaces.
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.
Time tested installations throughout north america and globally.
Zflex cat 3 stainless flue pipe 4 inch.
Category iii refers to positive vent pressure which is created by exhaust blowers in unit heaters.
In short it is a us standard for gas venting systems required in category iii applications.
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.