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X
Y
1
Fig. 39 Vertical venting system (sealed combustion)
[1]
Intake
[2]
Exhaust
X
>12" (305mm)
Y
12" (305mm) above maximum snow level or at least 24"
(610mm) whichever is greater
The transitions from rigid to corrugated pipe must conform to the S636
standard - Plastic vent pipe for gas fired appliances
Greenstar FS/Combi FS – 6 720 810 590 (2020/04)
X
2
6 720 810 590-26.1Wo
X
Y
1
2
Fig. 40 PolyPro Flex Chimney Cap (PP) vertical venting system (sealed
combustion)
[1]
Intake
[2]
Exhaust
Fig. 41 Horizontal venting system (telescopic concentric vent kit)
Installation
6 720 806 922-08.2O
5/8" per foot
(52 mm per metre)
6 720 810 590-27.1Wo
45
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