80 equivalant feet intake and 80 equivalant feet exhaust 40 equivalant feet intake and 40 equivalant feet exhaust
TYPE “L” VENTING MATERIALS
Type “B” vent pipe products for gas appliances is a generally well know venting type. Type “L” is similar pipe, constructed of different metals, for venting oil appliances. Type “L” is constructed with a stainless steel inner wall and a galvalume exterior up to 580 F and max of 1700 F. The exterior diameter of type “L” pipe is only 3/4” larger than the interior flue size. This smaller diameter plus a 3” clearance to combustibles requirement makes “L” products usable all the way from the appliance flue outlet thru termination above the roof. Availability of smaller diameters than those associated with triple wall pipe make this the ideal vent material for connecting appliances to sidewall power venters.
Type “L” has been approved for use by the following manufacturer’s for use on their equipment: Aero, American Standard, Williamson. See the “Venting Products Section” of this catalog for complete product listing