
Part number 550-100-305/0118
130
AquaBalance
TM
W
ALL
M
OUNT
GAS
-
FIRED
WATER
BOILER
—
Boiler Manual
Figure 172
Engineering data
Boiler
Model
Shipping
weight
Operating
weight
Water
content
Vent/air pipe size:
(Provide a
separate vent for each
boiler)
Electrical
service
required
Pounds
per boiler
Pounds
per boiler
Gallons
per boiler
Amps
per boiler
Note 2
Note 3
Note 1
WMB-80C Combi
70
74
0.53
2” or 3”
15.0
WMB-120C Combi
77
82
0.63
2” or 3”
15.0
WMB-155C Combi
87
93
0.75
3”
15.0
WMB-80H Heating Only
61
65
0.45
2” or 3”
15.0
WMB-120H Heating Only
64
68
0.55
2” or 3”
15.0
WMB-155H Heating Only
67
72
0.65
3”
15.0
Notes
1
Total amp requirement includes up to one circulator, Low Water Cutoff, 3-Way Valve not to exceed 3.0 amps total.
2
Operating weight is the total weight of the boiler, including water.
3
WMB-
80 or 120 vent/air pipes can be either 2” or 3” pipe.
WMB-
155 is 3” only.
All of the boilers will automatically de-rate as vent/air pipe length increases, due to the pressure loss through the piping.
See Figure 173, page 131 for details.
All installations require a separate vent pipe and termination for each boiler.
Vent piping cannot be manifolded
.
Install and terminate vents as described in vent/air installation instructions in this manual.
Combustion air piping can be individually piped. See venting section in this manual.
37
Connections,
Dimensions and Engineering data
(continued)