Hearth & Home Technologies NBV3933 User Manual

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Heatilator • Novus NBV • 4055-188 Rev C • 04/08 
5
A. Design and Installation Considerations
Heatilator B-vent gas appliances are designed to operate 
with all exhaust gases expelled to the outside of the building, 
and combustion air pulled from the room.
Check building codes prior to installation.
•  Installation MUST comply with local, regional, 
state and national codes and regulations.
•  Consult insurance carrier, local building, fire 
offi cials or authorities having jurisdiction about 
restrictions, installation inspection, and permits.
CAUTION
When planning an appliance installation, it’s necessary to 
determine the following information before installing:
•  Where the appliance is to be installed. See Sections 3 
and 4.
•  The vent system confi guration to be used. See Sections 
5 and 6.
•  Gas supply piping. See Sections 7 and 9.
• Electrical 
wiring. 
See Sections 7 and 10
•  Framing and finishing details. See Sections 3, 6 
and 11.
•  Whether optional accessories—devices such as a fan, wall 
switch, or remote control—are desired. See Section 16.
Keep appliance dry.
•  Mold or rust may cause 
odors.
•  Water may damage controls.
WARNING
Getting Started