Product Overview
For venting in the listed natural gas or liquid propane category, I draft hood appliances or appliances specifically tested and listed to use type B gas vents. 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. Type "B" gas vent system pipe features a twist lock connection, offering a superior positive lock that is fast and easy to assemble. When necessary, the system may be disconnected without damage to the product.