John Wood Noritz N-069M-DV - Manual (Page 61)

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2.
Before Installation Caution
Compatibility Check
• Make sure that the vent terminal is compatible with the product it will be installed with. If an
improper terminal is used, a fire hazard will be created.
Choosing Installation Site
• Maintain the proper clearances to combustibles
The heat and moisture from the water heater may cause corrosion of aluminum materials.
• Install the vent terminal so that it is easily accessible for maintenance from both the indoors and the
outdoors.
• Install the vent terminal so that all exhaust is directed to and all intake air is taken from the outdoors.
• 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.
Check Wall Thickness
• This vent terminal model has four different sizes. Choose the correct model to fit the thickness of
the wall that the terminal will pass through.
Vent Pipe Replacement Precautions
• The vent system will almost certainly need to be replaced when this appliance is being installed. Use
vent pipe that is listed to UL 1738 for Category III appliances for the exhaust venting. Category III
listed vent pipe is suggested for the air supply also, but other materials may be acceptable. Consult
local codes.
* If Category III listed vent pipe is already installed, check for punctures, cracks or blockages and
consult with the vent pipe manufacturer before reusing.
* Make sure the vent pipe is compatible with the vent terminal before installation.
Model name Wall thickness
VT4-TL-5 3.5" to 5"
VT4-TL-8 5" to 8.5"
VT4-TL-14 8.5" to 15"
VT4-TL-27 15" to 27"
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