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Bosch Greentherm T9900 SE 160 Installation And Operating Instructions Manual page 26

Indoor residential tankless water heaters, 160 000/199 000 btu- natural gas 160 000/199 000 btu - liquefied petroleum lp gas
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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 assembly
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 property
M Clearance under veranda, porch deck or balcony
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.
Canadian installations
with non direct vent
12 in. (30cm)
36 in. (91cm)
36 in. (91cm) within a
height 15 ft (4.6m) above
the meter/ regulator
36 in. (91cm)
36 in. (91cm)
6 ft (1.83 m)
7 ft (2.13m)
12 in (30cm)
Greentherm T9900 SE/i – 6 720 813 635 (2019/03)
U.S. installations
non direct vent terminals
12 in. (30cm)
48 in. (1.2 m) below or to
side of opening; 12 in.
48 in. (1.2m) below or to
side of opening; 1 ft
(300mm) above opening
36 in. (91cm) above if within
10 ft (3m) horizontally



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Greentherm t9900 se 199Greentherm t9900 se/i 199