Manual

Figure 7 - Type B Gas Vent
Liner
Chimney
Sheet Metal Firestop
Vent System
C[eanout
CHECK YOUR CHIMNEY
For boilers for connection to gas vents or
chimneys, vent installations shall be in
accordance with "Venting of Equipment", of the
National Fuel Gas Code, ANSI Z223.1/NFPA 54,
or applicable provisions of the local building
codes.