Bosch SSB255 - Page 30

6720818454 (2016/02) US SSB
30 | Installation
Fig. 32 Horizontal venting system (sealed combustion); X≥4” (102 mm);
Y ≥12” (305 mm)
Fig. 33 Vertical venting system (sealed combustion); Y 12” above
maximum snow level or at least 24” whichever is greater
Fig. 34 Vertical venting system (sealed combustion); X > 12” ; Y 12”
above maximum snow level or at least 24” whichever is greater
Fig. 35 Horizontal venting system (sealed combustion)
X
Y
2
1
1
2
Y
12
Y
X
Y
X
X
1
2
12
2