Camus Hydronics Valiant FT VA0080, Manual

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2.2.4 Sidewall Clearance Specifications
Figure 15: Sidewall Clearances
Direct Vent Terminal Clearances Canadian Installations 1 US Installations 2
A Clearance above grade, veranda, porch, deck, or balcony 12” (30 cm) 12” (30 cm)
B Clearance to window or door that may be opened
12” (15 cm) for appliances <100,000
Btuh (30kW)
36” (91cm) for appliances >100,000
Btuh (30kW)
9” (23 cm) for appliances
<50,000 Btuh (15kW)
12” (30cm) for appliances
>50,000 Btuh (15kW)
C Clearance to window or door that may be opened - -
D Clearance to permanently closed window - -
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
3’ (91 cm) within a height of 15’ (4.5 m)
above the meter/ regulator assembly
-
I Clearance to service regulator vent outlet 36” (91 cm) -
J
Clearance to non-mechanical air supply inlet to building or the
combustion air inlet to any other appliance
12” (15 cm) for appliances <100,000
Btuh (30kW)
36” (91cm) for appliances >100,000
Btuh (30kW)
9” (23 cm) for appliances
<50,000 Btuh (15kW)
12” (30cm) for appliances
>50,000 Btuh (15kW)
K Clearance to a mechanical air supply inlet 6’ (1.83 m)
3’ (91 cm) above if within 10’
(3 m) horizontally
L
Clearance above paved sidewalk or paved driveway located on
public property
7’ (2.13 m) α -
M Clearance under veranda, porch deck, or balcony 12” (30 cm) β -
1 In accordance with the current CSA B149.1-15 and CSA B149.2-15 Natural Gas and Propane Installation Code
2 In accordance with ANSI Z223.1/ NFPA 54 National Fuel Gas Code
α A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both
dwellings
β 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 B149.1-15 and CSA B149.2-15. Clearance in accordance with local installation
codes and the requirements of the gas supplier