W415-2757 / B / 01.09.20
EN
14
venting requirements
These vent kits allow for either horizontal or vertical venting of the appliance. The maximum allowable horizontal run is 20
feet (6.1m). The maximum allowable vertical vent length is 40 feet (12.2m). The maximum number of vent connections is two
horizontally or three vertically (excluding the appliance and the air terminal connections) when using fl exible venting.
Horizontal runs may have a 0” rise per foot or 0mm rise per meter however for optimum performance it is recommended
that all horizontal runs have a minimum 1/4” rise per foot or 21mm rise per meter using fl exible venting. For safe and proper
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 single family 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.
3.1 typical venting installation
16" (40.6cm)
MINIMUM
40 FT (12M)
MAXIMUM
3 FT (1M)
MINIMUM
12 7/8"
(32.7cm)
MINIMUM
46" (116.8cm)
MINIMUM
PLUS RISE *
18" (45.7cm)
MAXIMUM
*See “venting requirements” and “venting installation” sections
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