DuraVent | Products
FasNSeal Gas Vent Systems for Category II, III & IV Heating Appliances
Set the standard in 1997 as the first vent system with a built-in gasket and locking band. FasNSeal is designed for high efficiency gas heaters where cool flue gases are vented under pressure. Available in 3″ through 24″ diameters. FasNSeal has an advanced design that offers the most professional venting method for high efficiency gas heaters. It is unparalleled in its ease of installation, precision fit and performance.
With FasNSeal you get a simple, gas and water-tight system that safely guides poisonous flue gases – including carbon monoxide – away from the heat source and out of your customer’s home.