Dcl c f f – GSW 5065 User Manual

Page 12

Horizontal Vent Terminal Installations

The following requirements are illustrated in Figure 10:
1. ("A") Minimum 2.1m (7 ft.) above a paved sidewalk or

paved driveway that is located on public property.

2. ("B") Minimum 900mm (3 ft.) above any forced air or

mechanical air supply inlet located within 1.8m (6 ft.)
horizontally (Canada) or 3m (10 ft.) (U.S.A.).

3. ("C") Within 900mm (3 ft.) of any gas service regulator

vent outlet.

4. ("D") Minimum 900 mm (3ft) horizontally of the vertical

centerline above the regulator vent outlet to a maximum
vertical distance of 4.5m (15ft).

5. ("E") Minimum 305mm (1 ft.) above grade level or antic-

ipated snow level.

6. ("F") Within 305mm (1 ft.) of any window or door that

can be opened, of any non-mechanical air supply inlet
or of the combustion air inlet of any other appliance.

7. ("G") Minimum 305mm (1 ft.) distance between the top

of the vent termination and the underside of a veranda,
porch or deck.

8. ("H") The manufacturer recommends the vent termina-

tion shall not be mounted directly above or within
900mm (3 ft.) horizontally from an oil tank or gas meter
to avoid potential freeze-up from condensation.

9. ("J") The manufacturer recommends the vent terminal

not to be installed closer than 900mm (3 ft.) from an
inside corner or 610mm (2 ft.) from outside corner on an
"L" shaped structure.

Vertical Vent Terminal Installation

Important: When terminating the vents through a roof, the
following specifications pertaining to terminal location must
be followed.
1. The exhaust vent termination shall extend at least

450mm (18 in.) above the roof or snow accumulation
level.

BRACKET

VENT RISER

SEALANT

ATTACH 90°

TERMINATION

ELBOW

305mm

(12 in.)

MIN.

CONDENSATION

TRAP & DRAIN

GROUND LEVEL OR MAXIMUM SNOW LINE

VENT PIPING MAY BE SLOPED IN ANY DIRECTION, AS LONG AS A WATER
TRAP IS NOT CREATED IN THE VENTING SYSTEM. THE SLOPE SHOULD BE
KEPT TO A MINIMUM SO AS NOT TO EXERT ANY UNDUE STRESS ON THE
PIPE.

Figure 9 Installation Of Fabricated Vent Riser.

SEALANT

ATTACH 90°

TERMINATION ELBOW

305mm

(12 in.)

MIN.

GROUND LEVEL OR MAXIMUM SNOW LINE

Figure 8 Vent Termination Exterior Installation

Figure 10 Vent Terminal Installations

GAS METER AND
REGULATOR

MECHANICAL AIR
SUPPLY INLET

1.8m (6 ft.) (Canada),

3m (10 ft.) (U.S.A.)

– 12 –