Whirlpool WGFD293 Instruction Manual download pdf (Page 19)

Horizontal terminations should be as shown in “Standard

Horizontal Vent Terminations (Dual Pipe)” illustration. Refer to

“Termination Locations” in this section for location restrictions.

■ A 2³⁄₈" (6.1 cm) diameter wall penetration is required for 2"

(5.1 cm) diameter pipe.

■ A 3" (7.6 cm) diameter hole is required for a 2¹⁄₂" (6.4 cm)

pipe.

■ A 3¹⁄₂" (8.9 cm) diameter hole is required for 3" (7.6 cm)

diameter pipe.

■ To secure the pipe passing through the wall and prohibit

damage to the piping connections, a coupling should be

installed on either side of the wall and solvent cemented to a

length of pipe connecting the 2 couplings.

■ The length of pipe should be the wall thickness plus the

depth of the socket fittings to be installed on the inside and

outside of the wall.

■ The wall penetration should be sealed with silicone caulking

material.

Standard Horizontal Vent Terminations (Dual Pipe)

Alternate Horizontal Vent Terminations (Dual Pipe)

Standard Horizontal Terminations (Dual Pipe)—Above

Highest Anticipated Snow Level

Alternate Horizontal Terminations (Dual Pipe)—Above

Highest Anticipated Snow Level

■ In a basement installation, the vent/flue pipe can be run

between joist spaces.

NOTE: If the vent pipe must go below a joist and then up into

the last joist space to penetrate the header, two 45° elbows

should be used to reach the header rather than two 90°

elbows.

Vent/Intake Terminations for Installation of

Multiple Direct Vent Furnaces

If more than one direct vent furnace is to be installed vertically

through a common roof top, maintain the same minimum

clearances between the exhaust vent and air intake terminations

of adjacent furnaces as with the exhaust vent and air intake

terminations of a single furnace.

If more than one direct vent furnace is to be installed horizontally

through a common side wall, maintain the clearances as shown

in “Horizontal Venting of Multiple Furnaces” illustration. Always

terminate all exhaust vent outlets at the same elevation and

always terminate all air intakes at the same elevation.

A. 24" (61 cm) maximum, 3"

(7.6 cm) minimum

B. 12" (30.5 cm) minimum from

wall

C. Tee or 90º elbow turned

down

D. 12" (30.5 cm) minimum to roof or

highest anticipated snow level

E. Combustion air intake

F. Screen

G. 90º medium radius elbow

A. 90º medium radius elbow

B. Flue/vent pipe

C. 12" (30.5 cm) minimum

from wall

D. Screen

E. 12" (30.5 cm) minimum to roof or

highest anticipated snow level

F. Combustion air intake

G. 24" (61 cm) maximum, 3" (7.6 cm)

minimum

H. 24" (61 cm) maximum radius

A. Support straps

B. 24" (61 cm) maximum, 3"

(7.6 cm) minimum

C. 12" (30.5 cm) minimum from wall

D. Tee or 90º elbow turned down

E. 12" (30.5 cm) minimum to roof or

highest anticipated snow level

F. Screen

G. 90º medium radius elbow

H. Combustion air intake

A. 90º medium radius elbow

B. Flue/vent pipe

C. 24" (61 cm) maximum, 3"

(7.6 cm)

D. Combustion air intake

E. 12" (30.5 cm) minimum to roof or

highest anticipated snow level

F. 24" (61 cm) maximum radius

G. Screen

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Whirlpool WGFD293 Instruction Manual Page 19

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