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Part number 550-100-325/0419
134
AquaBalance
®
Series 2 Wall Mount Gas-fired Water Boiler – Boiler Manual
Figure 177
Boiler
Model
weight
weight
Water
required
AB-80C Combi
77 86 1.110 2” or 3” 15.0
AB-120C Combi
80 91 1.306 2” or 3” 15.0
AB-155C Combi
87 98 1.331 2” or 3” 15.0
AB-80H Heating Only
64 73 1.030 2” or 3” 15.0
AB-120H Heating Only
67 77 1.226 2” or 3” 15.0
AB-155H Heating Only
67 77 1.231 2” or 3” 15.0
1
Total amp requirement includes up to one Circulator, Low Water Cutoff, 3-Way Valve motor not to exceed 3.0 amps total.
2
Operating weight is the total weight of the boiler, including water.
3
Vent pipes can be either 2” or 3” pipe.
All of the boilers will automatically de-rate as vent/air pipe length increases, due to the pressure loss through the piping.
See Figure 178, page 135 for details.
All installations require a separate vent pipe and termination for each boiler. .
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.
40 Connections, Dimensions and Engineering data
(continued)
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