Canadian Vent Regulations - Rinnai RHFE-1004FA Owners & Installation Manual

CANADIAN VENT REGULATIONS
CAN/CGA-B149.1 -M9t
A vent shall not terminate:
(a) Directly above a paved sidewalk or paved driveway which is located between two
single family dwellings and serves both dwellings;
(b) less than 7 ft. (2.13m) above a paved sidewalk or a paved driveway located on
public property;
(c) within 6 ft. (1.8m) of a mechanical air supply inlet to any building;
(d) above a meter/regulator assembly within 3 ft. (900mm) horizontally of the vertical
centerline of the regulator;
(e) within 6 ft. (1.8m) of any gas service regulator vent outlet;
(f) less than 1 ft. (300mm) above grade level;
(g) within the following distances of a window or door which can be opened in any
building, any non-mechanical air supply inlet to any building or the combustion air
inlet of any other appliance;
(i) 1 ft (300mm) for inputs up to and including 100,000 Btuh (30kW),
(ii) 3 ft (900ram) for inputs exceeding 100,000 Btuh (30kW); and
(h) underneath a veranda, porch or deck, unless
(i) the veranda, porch or deck is fully open on a minimum of two sides beneath the
floor, and
(ii) the distance between the top of the vent termination and the underside of the
veranda, porch or deck is greater than 1 ft. (300ram).
FOR COMPLIANCE TO NFPA 54 OR Z223.1 U.S.A.
Vent terminal must be located at least 3 feet above any forced air inlet location within 10 feet
away.
Vent terminal must not be located over public walk ways or be detrimental to regulators and
equipment where condensate could be a problem.
Vent terminal must be kept clear of snow at all times.
The bottom of the vent terminal and the sir intake must be located at least 12 inches above
grade.
The vent terminal of a direct vent appliance with an input of 50,000 Btu per hour or less shall be
located at least 9 inches form any opening through which flue gases could enter a building, and
such an appliance with an input over 50,000 Btu per hour shall require a 12inches vent
termination clearance. The bottom of the vent terminal and the air intake shall be located at least
12 inches above grade.
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