User Guide

Part number 550-100-325/0718
119
AquaBalance
®
SERIES 2 WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
36 Replacement parts (continued)
Figure 162 Control and electrical assemblies
Item Name
Part Number
100 Control module assembly
640-000-003
110 Control module display cover
640-000-004
120 Pressure-Temperature assembly
640-000-006
130
Wire harness assembly - Combi - 80/120
640-000-005
Wire harness assembly - Combi - 155
640-000-085
Wire harness assembly - Heating Only
640-000-053
Blower wiring adapter - Heating Only - 155
640-000-103
140
PCB only (includes Circuit board, Transformer, Relay,
Terminal strip, Fuse Holder & Fuse)
640-000-062
150 Thermostat relay box and cover
640-000-131