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.
Cat iii stainless steel vent pipe.
Category iii refers to positive vent pressure which is created by exhaust blowers in unit heaters.
Buy m g duravent fslv3604 vent pipe stainless steel cat iii 4 in.
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.
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 sort by position.
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.
Novavent z flex z vent 3 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.
Zflex cat 3 stainless flue pipe 4 inch z vent is manufactured using al29 4c advanced ferritic stainless steel with unmatched corrosion resistance for use with condensing furnaces and boilers.
Z vent was developed in the early 1980s and has thousands of field installations to date.
Category iii refers to positive vent pressure which is created by exhaust blowers in unit heaters.
Category iii vent pipe requirements.
Therefore the quantity shown may not be available when you get to the store.
Prices promotions styles and availability may vary by store and online.
Inventory is sold and received continuously throughout the day.
Category iii piping systems cannot be joined with category i gravity vented piping systems.
While there are many requirements for the venting system in ul 1738 3rd edition october 4th 2010 the main requirements that the vent pipe must meet are.
Novavent in 3 inch.
