Category 3 Gas Vent Pipe

Category iii piping systems cannot be joined with category i gravity vented piping systems.

Category 3 gas vent pipe.

Z vent was developed in the early 1980s and has thousands of field installations to date. Gas vent pipes special gas vent for category ii iii iv heating equipment z vent is designed for use with tankless water heaters standard water heaters both residential and commercial applications and boilers as well as high efficiency furnaces and pool heaters. In a category iii venting system if there is a. Boilers water heaters and furnaces.

Z vent is now manufactured utilizing a fail safe gasket connection. Category iii refers to positive vent pressure which is created by exhaust blowers in unit heaters. Ameri vent chimney liner kits are designed to allow you to easily line masonry chimneys. Category iii is defined as a gas heating appliance with a flue loss equal or greater than 17 non condensing with a positive vent static pressure.

Zflex cat 3 stainless flue pipe 4 inch. Simple gasket connections no sealant needed. Kits in this category include those designed for natural draft appliances using gas oil or wood. New fusion welded piper seams for a smoother finish and.

Ansi category i ii ii and iv appliances. Category iv combustion efficiency over 87. High quality category iii stainless steel exhaust piping. Use standard venting masonry or type b vent.

Category ii combustion efficiency over 83 use only special condensing service vent as specified by manufacturer. In short it is a us standard for gas venting systems required in category iii applications. Our nbsp saf t vent reg nbsp line of products are perfect for your commercial and industrial needs. Compatible with all types of z vent and z flex.

Z vent is manufactured using al29 4c advanced ferritic stainless steel with unmatched corrosion resistance for use with condensing furnaces and boilers. Oem specified and ul listed special gas vent for category ii iii and iv heating equipment. As well as those suitable for category i gas fired appliances with b vent or appliances with a draft hood. Category iii piping systems operate with positive vent pressure and are sealed by the high temperature seals and locking devices built into the category iii approved vent pipe.

Heatfab nbsp is the leading manufacturer of high quality venting systems for special gas vent applications specified by oems for nbsp over 20 years. Time tested installations throughout north america and globally. Category iii combustion efficiency 83 or less use only pressurizable vent as specified by manufacturer.