17
Installation and Servicing
SECTION 2 - INSTALLATION
Note that item numbers are linked to the spares list
104 CH RETURN VALVE
105 CH FLOW VALVE
108 PUMP HEAD
110 PUMP AUTO AIR VENT
113 PRESSURE RELIEF VALVE
114 PIPE - PRV OUTLET
115A UPPER FLOW PIPE
115B LOWER FLOW PIPE
116 PIPE - RETURN
117 PIPE - EXPANSION VESSEL
118 EXPANSION VESSEL
120 FLOW GROUP MANIFOLD
121 BY-PASS KIT
135 PRESSURE GAUGE
139 FLOW SENSOR
203 GAS COCK
204 PIPE - GAS INLET
205 GAS VALVE
206 PIPE - GAS INJECTOR
211 INJECTOR ASSEMBLY
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 SIPHON TRAP
231 CONDENSATE OUTLET CONNECTION
302 PCB
304 CONTROL THERMISTOR (RETURN)
306 ELECTRODE IGNITION
307 ELECTRODE DETECTION
308 IGNITER UNIT
309 THERMISTOR CONTROL/NO FLOW
313 IGNITION LEAD
324 CONTROLS BOX LID
325 CONTROL BOX FRONT
401 HEAT ENGINE
503 WALL MOUNTING BRACKET
504 FRONT PANEL
505 FASCIA
506 BRACKET - GAS VALVE
507 BRACKET - EXPANSION VESSEL
2.1 BOILER ASSEMBLY - Exploded View
504
227
224
503
505
313
215
309
308
306
217
307
401
218
211
304
214
223
325
302
104
114
117
118
507
203
105
231
229
228
116
219
324
135
110
113
120
108
121
506
139
115A
115B
204
206
205
131
INSTALLATION
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