
5.7.5
Exploded Diagrams Parts Reference List
Boiler Controls Assembly (Fig. 5.7.1)
GC Number
Code
Description
E93-126
88
C55/C55P/C45 Main Control Box
(C.17.4.01.00.0 A)
E93-127
88
C40P Main Control Box
(C.13.4.03.00.0 A)
E93-130
106
Control Panel (C.17.4.02.00.0)
95
Terminal Block HV (C.17.4.41.00.0)
167
Terminal Block LV (C.17.4.42.00.0)
E72-401
109
Thermal Fuse (C.08.4.21.00.0)
E93-135
101
Ignitor Cable (C.17.4.07.00.0)
Waterway, Condensate & Flue Assembly (Fig. 5.7.2)
GC Number
Code
Description
E93-136
36
Heat Exchanger
(C.17.2.02.00.0)
E93-137
77
C55 Burner (C.17.2.01.00.1)
E93-138
77
C45/C40P/C55P Burner
(C.13.2.01.00.0)
E93-141
44
Burner Head Gasket (C.17.2.00.09.0)
E93-142
43
Ignitor Gasket (C.17.2.00.62.0 A)
E93-143
74
Spark Ignition Electrode
(C.17.2.29.00.0 A)
E93-144
56
Condensate Trap (C.17.2.07.00.4)
E93-145
47
Flow/Return Thermistor (C.17.2.04.00.0)
E72-332
46
Flue Overheat Stat (C.08.2.30.00.0)
114-045
48
Water Pressure Switch (B.04.2.23.00.0)
E93-146
52
Water Pump (C.17.2.06.00.0)
Air - Gas Assembly (Fig. 5.7.3)
GC Number
Code
Description
E93-147
73
Combustion Blower (C.17.3.01.00.3)
163
C45/C55 Gas Valve - Mixer Air Gas
Assembly (C.17.3.17.00.0)
163
C55P Gas Valve - Mixer Air Gas
Assembly (C.17.3.18.00.0)
163
C40P Gas Valve - Mixer Air Gas
Assembly (C.13.3.03.00.0)
Casing Assembly (Fig. 5.7.4)
GC Number
Code
Description
E93-150
8
Cabinet Cover (C.17.1.04.00.2 A)
3
C55 Databadge - NG (C.17.1.00.01.0)
3
C55P Databadge - LPG (C.17.1.00.02.0)
3
C45 Databadge - NG (C.15.1.00.01.0)
3
C40P Databadge - LPG (C.13.1.00.02.0)
E73-355
18
Combustion Test Plug (B.04.2.00.49.1)
WD536
Chapter 5 : Fault Finding
The Keston C45, C40P, C55 & C55P
Installation & Servicing Instructions
Page : 38