FURNACE VENT PIPE DOUBLE WALLED BEST FOR SAFETY
UL LISTED 616j Type B gas vent pipe
The Simpson Dura-Vent Type B gas vent system features our "no equal" twist-lock connections. Precision swedged fittings offer the contractor a superior positive-lock connection that is fast and easy to assemble. When necessary, the system may also be disconnected without damage to the product.
The Simpson Dura-Vent Type B gas vent system has been designed to meet the rugged demands of the job site.
HEAVY GAUGE ALUMINUM LINER provides fast warm-up for a quick, strong draft and corrosion resistance for safe, trouble-free performance.
* DIE FORMED ENDS provide consistent fit, easy twist-lock assembly, and proper alignment.
* INVERSE BEADS add rigidity and ensure proper spacing between the inner liner and the outer wall. The inverse beads also serve to seal the air chamber between the inner and outer walls. As a result, the inner liner heats up rapidly and remains hot during the operation of the appliance, minimizing the effects of condensation.
The Simpson Dura-Vent Type "B" gas vent system features a twist lock connection which offers a superior positive-lock that is fast and easy to assemble. When necessary, the system may be disconnected without damage to the product.
* For approved gas appliance
* OD is 5/8" larger than ID
