The flex-ready Insul-Wye™ adapter allows for easy installation of Insulvent™ flexible venting systems with Category I gas-fired appliances. This component universally adapts to any manufacturers’ ...

Now available is the Z-Vent III special gas vent system, in diameters of 3, 4, 5, and 6 inches. Z-Vent is designed for condensing furnaces and boilers as well as high-efficiency furnaces, pool heaters ...