34 440 01 4542 00
Specifications subject to change without notice.
A13305
Fig. 39 -- Combustion Air and Vent Pipe Termination for Direct Vent (2--Pipe) System
A05091
Fig. 40 -- Vent Pipe Termination for Non--Direct Vent and Ventilated Combustion Air System
Table 12 – Vent Termination Kit for Direct Vent (2--pipe) Systems
Vent and
Combustion Air
Pi
eDiameters
Approved Two---Pipe Termination Fittings
Allowable
Concentric Vent
Kit
1 1 / 2 --- i n .
(38 mm)
2 --- i n .
(51 mm)
2 1 / 2 --- i n .
(64 mm)
3 --- i n .
( 7 6 --- m m )
4 --- i n .
(102 mm)
11
2 --- i n . ( 3 8 m m ) No
es No No No 2 --- i n . ( 5 1 m m )
2 --- i n . ( 5 1 m m ) No
es No No No 2 --- i n . ( 5 1 m m )
21
2 --- i n . ( 6 4 m m ) No No No
es No
2 --- i n . ( 5 1 m m )
3 --- i n . ( 7 6 m m )
3 --- i n . ( 7 6 --- m m ) No No No
es No 3 --- i n . ( 7 6 m m )
4 --- i n . ( 1 0 2 m m ) No No No
es
es 3 --- i n . ( 7 6 m m )