Lennox EL195UHE - PRESSURE DIFFERENTIAL MEASUREMENT; PROCEDURE FOR MEASURING PRESSURE DIFFERENTIAL

Page 15
TABLE 3
OUTDOOR TERMINATION USAGE*
Input
Size
Vent Pipe
Dia. in.
STANDARD CONCENTRIC
Flush
Mount Kit
Wall Kit
Wall Ring
Kit
Field
Fabricat-
ed
1-1.2 inch 2 inch 3 inch
2 inch 3 inch 2 inch
71M80
(US)
4
44W92
(CA)
69M29
(US)
4
44W92
(CA)
60L46 (US)
4
44W93
(CA)
51W11
(US)
51W12
(CA)
22G44
(US)
4
30G28
(CA)
44J40
(US)
4
81J20
(CA)
15F74
030,
045
2
3
YES YES
1
YES
1
YES
5
YES
2
YES
2-1/2
3
YES YES
1
YES
1
YES
5
YES
2
YES
3
3
YES YES
1
YES
1
YES
5
YES
2
YES
070
2
3
YES YES
1
YES
1
YES
5
YES
2
YES
2-1/2
3
YES YES
1
YES
1
YES
5
YES
2
YES
3
3
YES YES
1
YES
1
YES
5
YES
2
YES
090
2
3
YES YES YES
5
YES YES YES
2-1/2
3
YES YES YES
5
YES YES YES
3
3
YES YES YES
5
YES YES YES
110
2 YES YES YES
5
YES YES YES
2-1/2 YES YES
5
YES YES YES
3 YES YES
5
YES YES YES
135 3 YES YES
5
YES YES
NOTE - Standard Terminations do not include any vent pipe or elbows external to the structure. Any vent pipe or elbows external to the structure must be included in total
vent length
calculations. See vent length tables.
* Kits must be properly installed according to kit instructions.
1Requires eld-provided outdoor 1-1/2” exhaust accelerator.
2Concentric kits 71M80 and 44W92 include 1-1/2” outdoor accelerator, when uses with 030, 045 and 070 input models.
3 Flush mount kits 51W11 and 51W12 includes 1-1/2 in. outdoor exhaust accelerator, required when used with 030, 045, 070 and 090 input models.
4 Termination kits 30G28, 44W92, 4493 and 81J20 are certied to ULC S636 for use in Canada only.
5 See table 8 for vent accelerator requirements.