ENW415-1935 / A / 05.07.19 13venting requirements12"(30.5cm)minimumto gradeSpecial vent installation (periscope termination)Use the periscope kit to locate the air termination above grade. The periscope must be installed so that whenfi nal grading is completed, the bottom air slot is located a minimum 12” (30.5cm) above grade. The maximumallowable vent length is 10’ (3m) for a fireplace and 8’ (2m) for a stove.base of air collarbase of air collar• The first 2 feet of outer 8” (203mm)diameter vent pipe from the ap-pliance must be wrapped in the1” (25mm) thick insulation sleeve(supplied).! WARNING• The first 2 feet of outer 8” (203mm)diameter vent pipe from the ap-pliance must be wrapped in the1” (25mm) thick insulation sleeve(supplied).! WARNING20"(51cm)30" (76.2cm)minimuminsulatedsleeveinsulatedsleeveRigid and flexible venting systems must not be combined. Different venting manufacturer componentsmust not be combined.These vent kits allow for either horizontal or vertical venting of the appliance. The maximum allowable horizontalrun is 20 feet (6.1m). The maximum allowable vertical vent length is 40 feet (12.2m). The maximum number ofvent connections is two horizontally or three vertically (excluding the appliance and the air terminal connections)when using flexible venting.Horizontal runs may have a 0” (0mm) rise per foot/meter however for optimum performance it is recommendedthat all horizontal runs have a minimum 1/4” (21mm) rise per foot/meter using flexible venting. For safe andproper operation of the appliance, follow the venting instructions exactly.A terminal shall not terminate directly above a sidewalk or paved driveway which is located between two singlefamily dwellings and serves both dwellings. Local codes or regulations may require different clearances.Do not allow the inside liner to bunch up on horizontal or vertical runs and elbows. Keep it pulled tight. A 1¼”(31.8mm) air gap all around between the inner liner and outer liner is required for safe operation.This appliance is certified for use with a power vent kit. Contact your local authorized dealer for more information.20" (51cm)maximum2.1 typical venting installationAAll vent measurements start at the base of the air collar of the appliance.AX36 AX42A 54 7/8 (139.4cm) 57 7/8 (147cm)