Weil-McLain GOLD CGs - Manual (Page 14)

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Part Number 550-141-873/0502 14
9. Installation — assembly
Assemble B-vent piping Step 1
1. Install 5" type B support, B-vent combustion air run,
flashing, fire stops and storm collar per
manufacturer’s instructions. Apply approved sealant
to each B-vent joint. See
Figure 12 .
2. Install type B draft hood connector to bottom of
combustion air run. Seal with approved sealant.
Figure 12 Sealing B-vent joints
87306
87305
87307
Figure 13 Apply elastomer strips to vent clamps
Figure 14 Install vent clamps on vent piping
1. From top or bottom of combustion air run, install
vent piping .
• Top of vent piping must extend 3" above
top of rain cap. See Figure 5 , page 8.
• Bottom of vent piping must extend 18"
below draft hood connector.
2. At each vent joint:
a. Follow vent pipe manufacturer’s instructions to
assemble and seal joints. Sealant recommended
by vent pipe manufacturer must be used as
indicated in their instructions.
b. Apply 2 self-adhesive elastomer grippers to vent
clamp. Grippers must be positioned on clamp
as shown in
Figure 13 . Bend out 2 ears on vent
clamp.
Prepare & insert vertical vent Step 2
c. Fasten clamp around vent pipe with 2 – 1
¹⁄₄"
screws in top and bottom holes, about every 5
feet. See
Figure 14 . Tighten screws until clamp
does not turn or slide around vent piping.