Rheem R801TA075417MSA - Page 21

21
COMBUSTION AND VENTILATION AIR (cont.)
FIGURE 17
FIGURE 18
DEDICATED VENTING THROUGH
CHIMNEY WITH “B-1” VENT
FRESH 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
Combustion Air