Bosch 830 ES Installation And Operating Instructions Manual page 20

Installation instructions
Required direct vent terminal clearances (twin pipe / concentric penetration)
Fig. 11
A Clearance above grade, veranda, porch, deck or balcony
B Clearance to window or door that may be opened
C Clearance to permanently closed window
D Vertical clearance to ventilated soffit located above the vent
termination within a horizontal distance of 2 feet (61cm) from the
center line of the termination
E Clearance to unventilated soffit
F Clearance to outside corner
G Clearance to inside corner
H Clearance to each side of center line extended above meter/
regulator assembly
I Clearance to service regulator vent outlet
J Clearance to non-mechanical air supply inlet to building or the
combustion air inlet to any other application
20
1)2)
Canadian installations
12 in.
36 in.
*
*
*
*
*
36 in. within a height 15 feet
above meter/ regulator
assembly
36 in.
36 in.
830 ES – 6 720 644 936 (2021/08)
2)3)
U.S. installations
12 in.
12 in.
*
*
*
*
*
*
*
12 in.