6
BOILER assEMBL y - Exploded View
Note that item numbers are linked to the spares list
104 CH Return Valve
105 CH Flow Valve
106 DHW Inlet & Outlet
107
108
110
111 Divertor Valve Head
112 Divertor Valve Cartridge
113
114
115
116
117
118 Expansion Vessel
119 Return Group Manifold
120 Flow Group Manifold
121
127
128
131
135
203 Gas Cock
204
205 Gas Valve
206
211 Injector Assy
214 Venturi
215 Fan
217 Burner
218 Gasket - Burner
221
223
Flue Manifold & Guide Bracket
224 Recuperator Assy
226 Air Duct Assy
228
229
231 Guide Bracket
232
233 Hose Condensate Internal
234
236 Condensate Outlet Connection
238
301
302*
303 CUI Board
304
306 Electrode Ignition
307 Electrode Detection
308 Ignitor Unit
309
313
314
324
325 Control Box Front
326
401 Heat Engine
503 Wall Mounting Bracket
504
505 Fascia
506 Bracket - Gas Valve
507 Bracket - Expansion Vessel
512 Casing Door
514
516 Module Casing
* Note that production boiler PCBs are
factory pre-set to operate for boiler
range and output. When ordering
Primary PCB as a spare, an additional
Boiler Chip Card (BCC) MUST also be
purchased for your specic boiler range
and output.
104
106
203
106
107
135
105
504
516
232
512
224
118
228
229
121
128
131
113
119
110
114
120
127
120
226
238
503
117
108
109
324
221
236
301
233
301
231
111
304
204
205
303
206
211
506
308
214
306
307
309
217
218
215
401
507
313
514
505
302
325
314
326
231
233
BCC*
INsTaLLa TION
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