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, and unit and water heaters. According to the manufacturer, Z-Vent III has a unique snap connection pipe for quick and easy installation; no clamps or sealants are required because the pipe ends have a built-in silicone gasket seal.

Z-Flex Inc., 20 Commerce Park N., Bedford, NH 03110; 800-654-5600; 603-669-0309 (fax); sales@z-flex.com (e-mail); www.z-flex.com (website).

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