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CONCENTRIC VENT

TERMINATION

Vent Termination Clearances

CARBON MONOXIDE POISONING, FIRE AND

EXPLOSION HAZARD

Failure to follow this warning could result in personal injury,

death, or property damage.
Inlet and outlet pipes may NOT be vented directly above each

other (standard vent terminals).

WARNING

1. Determine termination locations based on clearances

specified in following steps and as shown in Fig. 8

through 36

2. The vent termination must be located at least 12

″

(304.8mm)

above ground or normally expected snow accumulation
levels.

3. Do

NOT

terminate over public walkways. Avoid areas

where condensate may cause problems such as above

planters, patios, or adjacent to windows where steam may
cause fogging.

4. The vent termination shall be located at least 4

′

(1.2m)

horizontally from any electric meter, gas meter, gas
regulator, and any relief equipment. These distances apply

ONLY

to U.S. installations.

5. The vent termination is to be located at least 3

′

(.91m) above

any forced air inlet located within 10

′

(3m); and at least 10

′

(3m) from a combustion air intake of another appliance,
except another direct vent furnace intake.

6. In Canada, the

Canadian Fuel Gas Code

takes precedence

over the preceding termination instructions.

Concentric Vent Termination

Kit # KGAVT0701CVT & KGAVT0801CVT

For additional venting information contact www.Carrier.com.
These kits are for vertical or horizontal termination of the
combustion air inlet and the exhaust vent pipes on Category IV

gas--fired condensing furnaces. The KGAVT0701CVT kit can be
used

for

″

(50.8mm)

diameter

pipe

systems.

The

KGAVT0801CVT kit can be used for 3

″

(76.2mm)diameter pipe

system. Refer to

Table 5

for the correct pipe size for the furnace.

Both the combustion air inlet and the exhaust vent pipes must

attach to the termination kit. The termination kit must terminate
outside the structure and must be installed per the instructions

outlined below for vertical or horizontal termination. Vertical

termination is preferred. Field supplied pipe and fittings are
required to complete the installation.

Vertical & Horizontal Termination

1. Determine the pipe diameters required for the installation

from

Table 5

and Fig. 33

2. Determine the best location for the termination kit. See Fig.

32 for vertical termination or Fig. 35 and 36 for horizontal

termination. Roof termination is preferred since it is less
susceptible to damage, has reduced intake contaminants and
less visible vent vapor. For side wall termination,

consideration should be given to: 1) possible damage from
the vapors to plants/shrubs, other equipment and building

materials, 2) possible damage to the terminal from foreign
objects, 3) wind effects that may cause recirculation of flue
products, debris or light snow and 4) visible vent vapor.

2 (50.8) or 2

″

(63.5)

Dia. SDR--26 Pipe

″

(50.8) or 3

″

(76.2) Dia.
Rain Cap

Nominal 3

″

(76.2) or 4

″