Drolet ECO-65 Owner's Manual page 13

In Canada:
a) less than 7 feet vertically above any public sidewalk, lane, street, right-of-way, stairway or landing;
b) within 6 feet of a mechanical air supply inlet to a building;
c) within 3 feet of a building opening or air inlet of another appliance;
d) above a gas meter/regulator assembly within 3 feet horizontally of the vertical centerline of the
regulator
e) within 6 feet of any gas service regulator vent outlet or within 3 feet of an oil tank vent or an oil tank
fill inlet;
f) less than 1 feet above adjacent grade level or any adjacent surface that may support snow, ice, or
debris;
g) within 3 feet of the property boundary; and
h) underneath a veranda, porch, or deck.
i) A clear space of at least 3 feet shall be provided from the termination to any building projection,
adjacent wall, or any combustible materials such as trees, shrubs, fencing, etc.
In the US:
a) less than 3 feet above any forced air inlet located within 10 feet;
b) less than 4 feet below or horizontally from, or one foot above, any door, window or gravity air inlet into
any building;
c) less than two feet from an adjacent building and not less than 7 feet above grade when located
adjacent to a public walkway. Mobile home installations must use a spark arrester. Other restrictions
may apply, such as the need to maintain a minimum distance to a gas meter. See NFPA 211.
FIGURE 12
Venting through wall
Basement installation