31
Vent System
Component
Part Numbers
Equivalent
Feet of Pipe
APX399
and
APX500
APX800
4" Vent 6” Vent
SS Vent Kit 102501-02
N/A
N/A
Horizontal Vent Terminal
(Included in Kit)
8116313
PVC to SS Vent Adapter
(Included In Kit)
102220-01
Vertical Vent Terminal 102680-02
Pipe x 1 Ft. 100176-01 1
Pipe x 3 Ft. 100177-01 3
Pipe x 5 Ft. 100178-01 5
Pipe x Adjustable 100179-01
Equal to
Installed
Length
(1.06 to 1.64)
90° Elbow 100180-01 8.0 (4")
45° Elbow 100181-01 4.5 (4")
Horizontal Drain Tee 100182-01 2
Vertical Drain Tee 100183-01 7½
Single Wall Thimble 100184-01 N/A
Table 11A: Burnham Commercial Vent System
Components (Stainless Steel)
Manufacturer
Vent
System
Size Wall Thimbles Horizontal Termination
Vertical
Termination
Protech Systems Inc.. FasNseal
4 FSWT4 Tee: FSTT4 FSBS4
6 FSWT6 Tee: FSTT6 FSBS6
Z-Flex
SVE Series III
(“Z-Vent III”)
4 2SVSWTEF04 Tee: 2SVSTTF04 24SVSTPF04
6 N/A N/A N/A
Flex-L Intl. Star-34
4 SR04WT15 Tee: SRTT-04 SRTP-04
6 N/A N/A N/A
NOTE: See vent system manufacturer’s literature for other part numbers that are required such as straight pipe, elbows, restops
and vent supports.
Table 11B: Alternate Vent Systems and Vent Components (Stainless Steel)
IV. Venting D. Stainless Steel Venting (continued)
Figure 16: Field Installation of Two-Pipe Vent
System Adapter for Stainless Steel
• Apply a heavy bead of silicone to the
male end of the terminal before inserting
it into the last piece of pipe. Orient the
terminal so that the seam in the terminal
is at 12:00.
• Smooth the silicone over the seam
between the terminal and the last piece
of pipe, applying additional silicone if
necessary to ensure a tight seal.
• Allow the silicone to cure per the silicone
manufacturer’s instructions before
operating the boiler.
ii. Combustion Air Termination
• Horizontal intake terminal is a tee in the
upright position. Tee should protrude
the same distance from the wall as the
exhaust terminal. See Figure 9A.
• Install a rodent screen (not supplied) in
the inlet terminal. Use a screen having
1/2” x 1/2” mesh.
b. Optional Two-Pipe Snorkel Termination
Refer to Figure 11.
This installation will allow a maximum of
seven (7) feet vertical exterior run of the vent/
combustion air piping to be installed on the
approved AL29-4C Stainless Steel horizontal
venting application.
i. Vent Termination
• After penetrating wall, install the
appropriate manufacturer’s 90° elbow so
that the elbow leg is in the up direction.
• Install maximum vertical run of seven (7)
feet of appropriate manufacturer’s vent
pipe. See Figure 11.
• At top of vent pipe length install another
appropriate manufacturer’s 90° elbow
so that the elbow leg is opposite the
building’s exterior surface.
• Install horizontal vent terminal.
• Brace exterior piping if required.
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