Installation Instructions

whl-590 Rev. 003 Rel. 003 Date 3.22.18
14
17.3
29.9
34.2
5.5
13.4
4.6
4.9
2.8
6.8
10.7
12.6
15.3
3.1
8.8
10.3
3.4
7.7
15.4
A
B
C D E F G
A B
C
D
E
F
G
Figure 3 - 150 Model Dimensions
Description Diameter
A Air Intake Adapter 3”
B Exhaust Outlet Adapter 3”
C Gas Inlet Adapter 3/4” NPT
D Condensate Adapter 1/2” NPT
E DHW Outlet Adapter 3/4” NPT
F DHW Inlet Adapter 3/4” NPT
G Recirculation Return Adapter 3/4” NPT
Table 9 - Adapter Specications
19.7
36.3
31.9
A B
C D E F
A B
C
D
E
F
G
G
5.5
14.8
5.7
2.6
11.6
2.9
7.20
10.6
2.7
6.6
10.5
12.5
17.6
16.8
Figure 4 - 199 Model Dimensions