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Bosch Greentherm 9800 SE 160/199 Manual page 22

Indoor residential and comme rcial tankless water heaters
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22 | Installation instructions
Required other than direct vent terminal clearances (single pipe 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 terminal within a
horizontal distance of 2 feet (61cm) from the center line of the terminal
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
I Clearance to service regulator vent outlet
J Clearance to nonmechanical air supply inlet to building or the combustion
air inlet to any other appliance
K Clearance to mechanical air supply inlet
L Clearance above paved sidewalk or paved driveway located on public
M Clearance under veranda, porch deck or balcony
Table 10
1) In accordance with the current CSA B149.1 Natural Gas and Propane Installation Code.
2) In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Gas Code.
3) A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both
4) Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor.
For clearances not specified in ANSI Z223.1 / NFPA 54 or CSA-B149.1, one of the following shall be indicated:
a) a minimum clearance value determined by testing in accordance with Clause 5.20, Draft hoods, or;
b) a reference to the following footnote:
"Clearance in accordance with local installation codes and the requirements of the gas supplier."
6 720 816 815 (2016/10)
Canadian installations
non direct vent terminals
12 in. (30cm)
36 in. (91cm)
36 in. (91cm) within a height
15 ft (4.6m) above the meter/
regulator assembly
36 in. (91cm)
36 in. (91cm)
6 ft (1.83 m)
7 ft (2.13m)
12 in (30cm)
Greentherm 9800 SE 160/199 | SEC 199
U.S. installations
with non
direct vent terminals
12 in. (30cm)
48 in. (1.2 m) below or to side of
opening; 12 in. (30cm) above
48 in. (1.2m) below or to side of
opening; 1 ft (300mm) above
36 in. (91cm) above if within 10
ft (3m) horizontally



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