Lennox International Inc EL296UHE 3” 7MM, 2” 51MM, Vent Pipe, 3” 76MM, Straight, Appplication

FIELD FABRICATED WALL TERMINATION OR

(15F74) WALL RING TERMINATION KIT

NOTE - FIELD-PROVIDED
REDUCER MAY BE		1/2” (13MM) ARMAFLEX
REQUIRED TO ADAPT
		INSULATION IN UN­
LARGER VENT PIPE SIZE
		CONDITIONED SPACE
TO TERMINATION
		SIZE TERMINATION
		PER TABLE 8
		D
		B
C		STRAIGHT
	A	APPPLICATION

FIELD FABRICATED WALL TERMINATION OR

(15F74) WALL RING TERMINATION KIT

With INTAKE ELBOW

NOTE - FIELD-PROVIDED	1/2” (13MM) ARMAFLEX
REDUCER MAY BE	INSULATION IN UN­
REQUIRED TO ADAPT	CONDITIONED SPACE
LARGER VENT PIPE SIZE
TO TERMINATION
	SIZE TERMINATION
	PER TABLE 8
	D
	B
	STRAIGHT
C	APPPLICATION
	A

1/2” (13MM) ARMAFLEX INSULATION

IN UNCONDITIONED SPACE

	D
* WALL	E
SUPPORT
	B
	A
C	EXTENDED

APPLICATION

* WALL

SUPPORT

C

1/2” (13MM) ARMAFLEX INSULATION

IN UNCONDITIONED SPACE

D

E

B

A

EXTENDED

APPLICATION

See venting table 5 for maximum venting lengths with this arrangement.

*Use wall support every 24” (610MM). Use two wall supports if extension is greater than 24” (610MM) but less than 48” (1219 MM). NOTE - One wall support must be 6” (152MM) from top of each pipe (intake and exhaust)

	2” (51MM)	3” (7MM)
	Vent Pipe	Vent Pipe
A-Minimum clearance
above grade or average	12” (305MM)	12” (305MM)
snow accumulation
B-Maximum horizontal
separation between	6” (152MM)	6” (152MM)
intake and exhaust
C-Minimum from	8” (203MM)	8” (203MM)
end of exhaust to
inlet of intake
D-Maximum exhaust	12” (305MM)	20” (508MM)
pipe length
E-Maximum wall support
distance from top of each	6” (152MM)	6” (152MM)
pipe (intake/exhaust)

FIGURE 36

See venting table 5 for maximum venting lengths with this arrangement.

*Use wall support every 24” (610MM). Use two wall supports if extension is greater than 24” (610MM) but less than 48” (1219 MM). NOTE - One wall support must be 6” (152MM) from top of each pipe (intake and exhaust)

	2” (51MM)	3” (76MM)
	Vent Pipe	Vent Pipe
A-Minimum clearance		12” (305MM)
above grade or average	12” (305MM)
snow accumulation
B-Maximum horizontal	6” (152MM)	6” (152MM)
separation between
intake and exhaust
C-Minimum from
end of exhaust to	6” (152MM)	6” (152MM)
inlet of intake
D-Maximum exhaust	12” (305MM)	20” (508MM)
pipe length
E-Maximum wall support
distance from top of each	6” (152MM)	6” (152MM)
pipe (intake/exhaust)

FIGURE 37

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