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installation
Diagram 4
c) Before connecting the vent pipe to the vent
termination, slide the black decorative wall
thimble cover over the vent pipe, then slide the
Wall Penetration Heat Shield (Part # 946-202)
over the vent pipe. Dia. 3.
d) Slide the appliance and vent assembly towards
the wall carefully inserting the vent pipe into the
riser vent terminal assembly. It is important that
the vent pipe extends into the Riser Vent Back-
ing Plate a sufficient distance so as to result in
a minimum pipe overlap of 1-1/4 inches. Secure
the connection between the vent pipe and
the vent cap by attaching the two sheet metal
strips extending from the Riser Vent Backing
Plate into the outer wall of the vent pipe. Use
two aluminum screws provided to connect the
strips to the pipe section. Bend any remaining
portion of the sheet metal strip back towards
the vent cap and cut off any excess, it will be
concealed by the decorative wall thimble cover.
See diagram 5.
9) Slide the decorative wall thimble up to the wall
surface being careful not to scratch the paint.
See diagram 5.
30
Diagram 5
10) Back outside: Apply sealant to the 4" inner flue
and slide the riser vent front into the backing
plate and fasten with 8 screws.
IMPORTANT:
When connecting the pipe to the riser
vent, apply Mill-Pac to the inner pipe on
the riser vent terminal, around the bead.
Ensure that the vent pipe is pushed past
the bead for a secure fit.
11) Seal around the outer edge of the Riser Vent
Backing Plate.
Diagram 6
Diagram 7
Vertical Terminations
1) Maintain the 1-1/4" clearances (air spaces) to
combustibles when passing through ceilings,
walls, roofs, enclosures, attic rafter, or other
nearby combustible surfaces. Do not pack air
spaces with insulation. Check the "Venting Ar-
rangement" section for the maximum vertical
rise of the venting system and the maximum
horizontal offset limitations.
2) Set the gas appliance in its desired location.
Drop a plumb bob down from the ceiling to the
position of the appliance flue exit, and mark the
location where the vent will penetrate the ceil-
ing. Drill a small hole at his point. Next, drop a
plumb bob from the roof to the hole previously
drilled in the ceiling, and mark the spot where the
vent will penetrate the roof. Determine if ceiling
joists, roof rafters or other framing will obstruct
the venting system. You may wish to relocate
the appliance or to offset, as shown in diagram
8 to avoid cutting load bearing members.
3) To install the Round Support Box/Wall Thimble
in a flat ceiling, cut a 10 inch square hole in the
ceiling centred on the hole drilled in Step 2.
Frame the hole as shown in diagram 9.
Hampton® H15U-NG/LP Direct Vent Freestanding Gas Stove
Diagram 8
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