Bosch BUDERUS SSB120 Installation And Service Instructions For Contractors page 31

3
2
Fig. 36 Horizontal venting system (sealed combustion) ; 3 is a wall
termination
X
Fig. 37 Horizontal venting system (sealed combustion); X≥4" (102 mm)
SSB
1
1
2
2
Fig. 38 Horizontal concentric system (sealed combustion)
X
2
Fig. 39 Vertical venting system (sealed combustion) ; ); X > 12"
(305 mm); Y 12" above maximum snow level or at least 24"
whichever is greater
Installation | 31
1
Y
1
6720818456 (2018/06) US