Category 3 Stainless Steel Venting

Category iii refers to positive vent pressure which is created by exhaust blowers in unit heaters. 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 operate with positive vent pressure and are sealed by the high temperature seals and locking devices built into the category iii approved vent pipe.

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

Category 3 stainless steel venting.

Ansi category i ii ii and iv appliances. Exhaust flue pipe and fittings are category 3 ul1738 rated. 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. In a category iii venting system if there is a.

Z vent was developed in the early 1980s and has thousands of field installations to date. 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. 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 is now manufactured utilizing a fail safe gasket connection. Heater heatstar big maxx and most other unit heaters. Stainless steel venting kits for gas 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.

Novavent in 4 inch. 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. Zflex cat 3 stainless flue pipe 4 inch. High quality category iii stainless steel exhaust piping.

Our nbsp saf t vent reg nbsp line of products are perfect for your commercial and industrial needs. Compatible with sterling modine dayton mr. 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. 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.

Z vent is manufactured using al29 4c advanced ferritic stainless steel with unmatched corrosion resistance for use with condensing furnaces and boilers. Z vent boiler venting goes together easily without the use of messy bonding agents and carries a limited lifetime warranty. Boilers water heaters and furnaces.