14
Installation and Servicing
Section 2 - Installation
2.1 BOILER ASSEMBLY - EXPLODED VIEW
Note that item numbers are linked to the spares list
104 CH Return Valve
105 CH Flow Valve
108 Pump Head
110 Auto Air Vent
113 Pressure Relief Valve
114 Pipe - PRV Outlet
115 Pipe - Flow
116 Pipe - Return
117 Pipe - Expansion Vessel
118 Expansion Vessel
119 Return Group Manifold
120 Flow Group Manifold
131 Water Pressure Switch
135 Pressure Gauge
203 Gas Cock
205 Gas Valve
206 Pipe - Gas Injector
211 Injector Assy
214 Venturi
215 Fan
217 Burner
218 Gasket - Burner
219 Sump Clean Out Cover
223 Flue Manifold
224 Flue Manifold Top
227 Clamp Retaining Flue Turret
228 Hose Condensate Internal
229 Condensate Trap
231
Condensate Outlet Connection
239
Condensate Drain Tube
302 PCB
306 Ignition/Detection Electrode
308 Ignitor Unit
309 Thermistor
313 Ignition Lead
324 Control Box Lid
325 Control Box Front
326 Blank Insert
401 Heat Engine
503 Wall Mounting Bracket
504 Front Panel
505 Fascia
506 Bracket - Spark Generator
507 Bracket - Expansion Vessel
504
505
215
227
224
223
214
217
118
507
313
229
326 325 302
324
135
108
117
119
114
219
113
218
401
506
306
308
211
205
116
203
105
104
115
309
228
206
231
131
239
309
110
120
503