John Wood Noritz N-069M-DV - Manual (Page 44)

44
• Do not store hazardous or flammable sub-
stances near the vent terminal,
• Slope the intake and exhaust pipes at a 1/50
grade down towards the termination.
• Use only UL listed Category III venting products.
• Connect the vent pipe firmly so that it will prevent
exhaust gases from leaking.
• Steam or condensed water may drip out of the
vent terminal.Dispose of this condensed water
according to local codes and in order to prevent
injury or property damage.
• If this product will be installed in an area where
snow is known to accumulate,protect the vent
termination from blockage by snow drifts or dam-
age from snow falling off of roofs.
• Support the vent pipe with hangers at intervals
as required by the vent pipe manufacturer ’s in-
stallation instructions.
• Install the vent terminal so that it is easily
accesible for maintenance both from the indoors
and the outdoors.
• If the vent terminal will be installed higher than
the water heater,make the vertical section di-
rectly above the water heater as short as
possible,and slope down to the terminal. Do not
have another vertical section after the horizontal
section begins.
• Make the vertical pipe as short as possible.
Venting Precautions
• Use 4" diameter Category III vent pipe.
• Maximum vent length
• Exceeding the maximum vent length is danger-
ous and may result in bad combustion.
• If possible,don ’t install the vent pipe through any
enclosed areas.If necessary,consult the pipe
manufacturer ’s instructions for clearances.
• Install the vent terminal so that all exhaust is di-
rected to and all intake air is taken from out-
doors.
Number of 90
degree elbows
4
3
2
1
Maximum
Vent Length
39'
45'
51'
57'
• Do not common vent or connect more than
one appliance to this venting system.
Appliance Adapters
• Use the following adapters to connect the
unit to the venting system.
Manufacturer and Enclosed Unenclosed
Product Hor. Vert. Hor. Vert.
Noritz N-Vent 4" 3" 3"
Protech FasNSeal 4" 3" 3"
Protech FasNSeal W2 6" 4" 3" 3"
HeatFab SafTVent 6" 6" 2" 2"
Z-Flex Z-Vent 8" 4" 1" 1"
Flex-L-StaR-34 8" 4" 1" 1"
These clearances are subject to change.
Refer to the UL listing for the proper clearances.
8" (sides)
12"(top)
4"(bottom)
Manufacturer and
Product
Protech FasNSeal FSAA4
HeatFab SafTVent 9401RYPK
Z-Flex Z-Vent 2SVWA04
Flex-L StaR-34 SRASPSA4
Part No.
• Follow the vent pipe manufacturer's installation
instructions.
• Maintain the same vent pipe diameter all the
way to the end.
• Maintain the following clearances for the
exhaust pipe to combustibles:
• Terminate at least 12"above grade or snow line
• Terminate at least 7'above a public walkway
• Use a condensation drain if necessary
10" (sides)
15"(top)
6"(bottom)
SAR8192-2_035_045_E_J.p65 05.11.29, 9:01 PM Page 44 Adobe PageMaker 6.5J/PPC