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DuraVent PolyPro Flex Series Installation Instructions Manual page 8

Polypro double-wall flex gas vent system for category ii & iv gas-burning appliances

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Figure 7, Mounting the Wall Plate
13. Fit the Support Bracket (see 1, Fig.8)
over the liner and let it rest on the wall of the
shaft. Mount the Gasket as detailed above
(see Fig.1). Push the Flex Female Adapter on
the liner and close the latching tabs. Allow
the assembly to rest on the Support Bracket.
14. Seal the edge of the chimney shaft with
water-resistant sealant (see 1, Fig.9) and push
the Flex Chimney Flashing (see 2, Fig.9) on
the shaft and fix it with four masonry anchors
(see 3, Fig.9).
1
Figure 8, Required Liner Length
8
1
15. Install the Termination Pipe(see 1 ,
Fig.10). Assemble the storm collar portion of
the Flex Chimney Flashing (see 2, Fig.10).
16. Connect the appliance to the flexible
vent system with DuraVent rigid PolyPro vent
system.
Figure 9, Installing Vent Cap
Figure 10, Installing Termination Pieces
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