5
BOILER ASSEMBLY - Exploded View
Note that item numbers are linked to the spares list
104 CH RETURN VALVE
105 CH FLOW VALVE
106 DHW INLET & OUTLET
108 PUMP HEAD
110 AIR VENT PUMP
111 DIVERTOR VALVE MOTOR
113 PRESSURE RELIEF VALVE
114 PIPE - PRV OUTLET
115 PIPE - FLOW
116 PIPE - RETURN
117 PIPE - EXPANSION VESSEL
118 EXPANSION VESSEL
119 RETURN GROUP KIT
120 FLOW GROUP KIT
121 PLATE HEAT EXCHANGER
124 FLOW REGULATOR CARTRIDGE
127 FLOW SENSOR/TURBINE
128 RETURN THERMISTOR
131 WATER PRESSURE SWITCH
135 PRESSURE GAUGE
137 BYPASS CARTRIDGE
138 DIVERTOR VALVE PADDLE
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 PRIMARY PCB*
303 CUI BOARD
306 ELECTRODE IGNITION
307 ELECTRODE DETECTION
308 IGNITER UNIT
309 FLOW THERMISTOR
313 IGNITION LEAD
314 CONTROL BOX LENS
324 CONTROLS BOX LID
325 CONTROL BOX FRONT
326 MECHANICAL TIMER
401 HEAT ENGINE
503 WALL MOUNTING BRACKET
504 FRONT PANEL
506 BRACKET - GAS VALVE
507 BRACKET - EXPANSION VESSEL
510 ACCESS FLAP
* Note. that production boiler PCB’s are
factory pre-set to operate for boiler range and
output, but when ordering Primary PCB as a
spare, an additional Boiler Chip Card (BCC)
MUST also be purchased for your specic
boiler range and output.
504
313
215
217
309
214
306
211
206
308
307
506
223
205
115
510
326
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