Use and Care Manual

12
WHL-015 REV. 9.4.14
Figure 1 – Specifications and Dimensions
DESCRIPTION
DIAMETER (ALL NPTM)
A
Gas Connection Adapter
½” NPT (½” X ¾” Bell Coupling Provided to Upsize Gas Line)
B
CH Supply Adapter
1”
C
CH Return Adapter
1”
D
DHW Outlet Adapter
¾”
E
DHW Inlet Adapter
¾”
F
Condensate Adapter
½”
G
Drain Adapter
½”
H
Exhaust Vent Connection
3”
I
Intake Pipe Connection
3”
Table 4 – Adapter Specifications