Owner`s manual

Page 9
HW42DF Gas Fireplace
Part No. XG0191 - 031010
Installation
Figure 12. Extended Installation using a combination of solid and ex
venting. Use the vent graph to determine your allowable
run, then select appropriate components.
Figure 13. Retracted Installation using a combination of solid and ex
venting. Use the vent graph to determine your allowable
run, then select appropriate components.
RHS8
RHS8
Figure 14. Horizontal ex installation with no vertical rise.
45”
Min
.
RHS8
42”Min.
B. Vertical (Through-The-Roof) Installations
 Minimumclearances2"fromventtoallcombustiblematerialsmust
be maintained.
A maximum of two offsets (each offset has two 90° bends) may be
made and shall not exceed total length of 25% of the vertical vent
height, when measured center to center of piping.
Example: Typical vent installation.
20' vertical vent
2 - 2' offsets required
25% of 20' = 5' max. offset allowed
This venting configuration meets requirements.
Figure 16. Vertical venting with 1 oset (1 oset= two 90° bends).
5" / 8" Venting
A - Termination PVTK-1
B - Flex Sections PFL-1(12"Section)
PFL-2(24"Section)
PFL-3(36"Section)
PFL-4(48"Section)
C - Rigid Sections PEXT-1(12"m/fSection)
PEXT-2(24"m/fSection)
PEXT-3(36"m/fSection)
PEXT-4(48"m/fSection)
D - Support Ring
&Plate
PSPXT-8
E - Firestop PS-8
F - Roof Flashing PRF-7 (1/12 - 7/12 pt.)
PRF-7 (7/12 - 12/12 pt.)
G - Adaptor / Vent
Reducer
PVA5487(5"/8"to4"/7")