| 5.3003.41a
Combustion air | Combustion supply/exhaust air opening will be in compliance with applicable
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
standard (
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
31 or
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
54/
ANSI
ANSI
American National Standards Institute, www.ansi.org
/
AGA
AGA
American Gas Association, www.aga.org
Z223.1) or applicable local code | Exhaust combustion products to the outdoors Ensure building is not damaged Protect workers and occupants from injury |
| 5.3003.41b
Flue vent material selection | Flue vent material will be selected to prevent flue gas freezing and/or corrosion (using double wall where necessary) Cost-effective materials will be used when appropriate and allowable | Ensure durability of flue vent system Ensure selected material is appropriate and cost-effective |
| 5.3003.41c
Installation | Venting systems will be installed considering proper material, pitch, common venting, chimney liner, clearance, total equivalent length, and termination in accordance with applicable code Category I venting systems will be installed in accordance with applicable code Category III and IV venting systems will be installed in accordance with manufacturer specifications Termination will be located away from windows, doors, and walkways Aesthetics and noise will be considered Venting will be routed in the shortest and most direct path possible Joints in the flue piping will be properly sealed to prevent flue gas and condensation leakage | Exhaust combustion products to the outdoors Ensure building is not damaged Protect workers and occupants from injury |
