Category 3 Stainless Steel Venting

Ansi category i ii ii and iv appliances.

Category 3 stainless steel venting.

Z vent boiler venting goes together easily without the use of messy bonding agents and carries a limited lifetime warranty. Stainless steel venting kits for gas unit heaters. Novavent z flex is the perfect venting choice for the gas tankless water heaters and gas boilers that require 3 cat iii stainless steel venting. When compared to plastic and other resin based materials used for venting systems novavent displays considerably lower thermal expansion and contraction making it much more resistance to stress corrosion cracking.

Compatible with sterling modine dayton mr. High quality category iii stainless steel exhaust piping. Heatfab nbsp is the leading manufacturer of high quality venting systems for special gas vent applications specified by oems for nbsp over 20 years. Cat iii stainless steel venting novavent z flex z vent cat 3 4 inch venting pipe novaflex novavent is designed for use with boilers high efficiency gas and oil heaters and water heaters where cool flue gases are vented under pressure.

Category iii piping systems cannot be joined with category i gravity vented piping systems. 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. Z vent is now manufactured utilizing a fail safe gasket connection.

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. Z vent was developed in the early 1980s and has thousands of field installations to date. In a category iii venting system if there is a. Our z vent boiler venting pool heater venting and other gas vent appliances vent pipe is ul listed 1738 category 2 category 3 and category 4 al29 4c stainless steel vent pipe.

Novavent in 4 inch. Boilers water heaters and furnaces. Time tested installations throughout north america and globally. Heater heatstar big maxx and most other unit heaters.

Exhaust flue pipe and fittings are category 3 ul1738 rated. 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. 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.