Bosch C1210ES Specifications Page 15

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Installation instructions | 15
6 720 644 887 (2014/11)C 1210 ES/ESC
Required direct vent terminal clearances (twin pipe / concentric penetration)
Fig. 9
[*] 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 section 2.20, or;
b) A reference to the following footnote:
“Clearance in accordance with local installation codes and the requirements of the gas supplier.”
Canadian installations
1)
U.S. installations
2)
A Clearance above grade, veranda, porch, deck or balcony 12 in. 12 in.
B Clearance to window or door that may be opened 36 in. 12 in.
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
36 in. within a height 15 feet above
meter/ regulator assembly
*
I Clearance to service regulator vent outlet 36 in. *
J Clearance to non-mechanical air supply inlet to building or the
combustion air inlet to any other application
36 in. 12 in.
K Clearance to mechanical air supply inlet 72 in. 36 in. above if within 10 feet
horizontally
L Clearance above paved sidewalk or paved driveway located on
public property
84 in.
3)
*
M Clearance under veranda, porch deck or balcony 12 in.
4)
*
Table 19
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 dwellings.
4) Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor.
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