Oval gas vent galvanized steel duct pipe. The WV line of oval pipe and fittings is designed for in-the-wall construction. Strong, durable galvanized steel outer pipe has internal spacing beads to assure a uniform insulating air space between pipe walls. Each end is die formed to assure uniform sizing for strong, easy to connect joints which resist wasteful handling and shipping damage. Fully tested and listed per UL441.
Oval pipe and fittings is designed for in the wall applications
Oval may be installed in a 2 X 4 wall with factory supplied spacing parts and provides the capacity of a 4 inch round vent
Gas vent oval pipe
Selkirk gas vent pipe and fittings have been tested and listed per UL 441 for installations as type B and B-W gas vents to be installed in single and multi-story buildings in accordance with the stands of the national fire protection association