Lennox International Inc EL296UHE Applications Right Hand Discharge Shown

TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN UPFLOW DIRECT OR

NON-DIRECT VENT APPLICATIONS

EXHAUST INTAKE EXHAUST

		3”	3”
2”	2”	TRANSITION		*2”
		*2”

INTAKE		2”
	2”
			2”
		or	2”

TRANSITION

DO NOT transition

from smaller to larger pipe in horizontal runs of exhaust pipe.

* When transitioning up in pipe size, use the shortest length of 2” PVC pipe possible.

FIGURE 24

TYPICAL EXHAUST AND INTAKE PIPE CONNECTIONS IN HORIZONTAL DIRECT OR NON-DIRECT VENT

APPLICATIONS (RIGHT HAND DISCHARGE SHOWN)

12” max.
	2”
EXHAUST	or
2”	2”
	2”
	2”

2”

2”

or

2”

2”

2”

*2”

45°	45°
MAX	MAX

SIDE VIEW

INTAKE

3”

EXHAUST*2”

*2”

TRANSITION

3”

*2”

*2”

DO NOT transition

from smaller to larger pipe in horizontal runs of exhaust pipe.

INTAKE

* When transitioning up in pipe size, use the shortest length of 2” PVC pipe possible.

FIGURE 25

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