HTP EFTC-140W - Page 13

13
LP-520 REV. 5.1.17
Figure 2 - 199W Specifications and Dimensions
DESCRIPTION
DIAMETER (ALL NPTM)
A
Automatic Air Vent
-
B
Intake Pipe Connection
3”
C
Exhaust Vent Connection
3”
D
Relief Valve Adapter
¾” NPT
E
CH Supply Adapter
1” NPT
F
CH Return Adapter
1” NPT
G
DHW Outlet Adapter
¾” NPT
H
DHW Inlet Adapter
¾” NPT
I
Gas Connection Adapter
¾” NPT
J
Condensate Adapter
½” NPT
Table 6 - 199W Adapter Specifications