507762-01
Issue 1907
Page 18 of 46
Use the following steps to correctly size vent pipe diameter.
040, 060,
080, 100 btuh
Standard or
Concentric?
See Table 3
Intake or
Exhaust?
2” or 3”
Furnace capacity?
1
Which termination?
2
Which needs most
elbows?
3
How many?
4
Desired pipe size?
5
What is the altitude?
6
Use Table 5 or 6 to find
max pipe length or
exhaust pipe length.
Includes all vent pipe
and elbows inside and
outside the house.
7
Figure 25.
Содержание 95G1UH040BE12X
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