Features
limited lifetime warranty: the best warranty in the industry, 15-year 100%, 15-year and up 50%, gives the installer and homeowner the greatest peace of mind in a quality installation, twist locks into place: no sharp tabs to bend into slots, easy installation with no mechanical fasteners required, firm, lock-tight connection: duravent?s innovative system duralock allows for a lock-tight connection, designed to meet the rugged demands of the job site with a recessed inner wall, clearances: 1 inch clearance to combustibles in single and multi-family dwellings, the appliances listed typically use type b gas vent systems, but not always, furnaces, water heaters, boilers, room heaters, decorative gas appliances and unit heaters, use for venting listed natural gas or liquid propane category i, draft hood appliances, or appliances that have been specially tested and listed to use type b gas vent for a wide range of applications, engineered to heat-up rapidly: type b gas vent remains hot during the operation of the appliance with minimal condensation in the appliance and vent system, made in usa: 100% manufactured in usa