Related Stories
Z-flex
Available in 3-, 4-, 5- and 6-inch diameters, the Z-Vent III gas-vent system is designed for condensing furnaces and boilers as well as high-efficiency furnaces, pool heaters, and unit and water heaters.
Available in 3-, 4-, 5- and 6-inch diameters, the Z-Vent III gas-vent system is designed for condensing furnaces and boilers as well as high-efficiency furnaces, pool heaters, and unit and water heaters.