Rheem (-)802PA075417MSA - Page 21

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COMBUSTION AND VENTILATION AIR (cont.)
FIGURE 18
DEDICATED VENTING THROUGH
CHIMNEY WITH “B-1” VENT
Combustion Air
FIGURE 17
FRES H AIR INLET
ST-A1220-09-01
1. STANDARD 3” FLUE CONNECTION.
2. 4” ADAPTER - OPTIONAL
SEE NATIONAL FUEL GAS CODE FOR SIZING OPTIONS
1.
2.
ST-A1220-09