Category iii refers to positive vent pressure which is created by exhaust blowers in unit heaters.
Category 3 venting system.
Heatfab nbsp is the leading manufacturer of high quality venting systems for special gas vent applications specified by oems for nbsp over 20 years.
Ansi category i ii ii and iv appliances.
Time tested installations throughout north america and globally.
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 was developed in the early 1980s and has thousands of field installations to date.
Zflex cat 3 stainless flue pipe 4 inch.
Boilers water heaters and furnaces.
Our nbsp saf t vent reg nbsp line of products are perfect for your commercial and industrial needs.
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.
Category iii refers to positive vent pressure which is created by exhaust blowers in unit heaters.
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 manufactured using al29 4c advanced ferritic stainless steel with unmatched corrosion resistance for use with condensing furnaces and boilers.