13INSTALLATIONProcombi Exclusive - Installation and Servicing5 bOILER assEMbLy - Exploded View Note that item numbers are linked to the spares list104 CH RETURN VALVE105 CH FLOW VALVE106 DHW INLET & OUTLET108 PUMP HEAD110 AIR VENT PUMP111 DIVERTOR VALVE MOTOR112 DIVERTOR VALVE BODY113 PRESSURE RELIEF VALVE114 PIPE - PRV OUTLET115 PIPE - FLOW116 PIPE - RETURN117 PIPE - ExPANSION VESSEL118 ExPANSION VESSEL119 RETURN GROUP KIT120 FLOW GROUP KIT121 PLATE HEAT ExCHANGER124 FLOW REGULATOR CARTRIDGE127 FLOW SENSOR/TURBINE128 RETURN THERMISTOR131 WATER PRESSURE SWITCH135 PRESSURE GAUGE137 BYPASS CARTRIDGE138 DIVERTOR VALVE PADDLE203 GAS COCK204 PIPE - GAS INLET205 GAS VALVE206 PIPE - GAS INJECTOR211 INJECTOR ASSEMBLY214 VENTURI215 FAN217 BURNER218 GASKET - BURNER219 SUMP CLEAN OUT COVER223 FLUE MANIFOLD224 FLUE MANIFOLD TOP227 CLAMP RETAINING FLUE TURRET228 HOSE CONDENSATE INTERNAL229 SIPHON TRAP231 CONDENSATE OUTLET CONNECTION302 PRIMARY PCB*303 CUI BOARD306 ELECTRODE IGNITION307 ELECTRODE DETECTION308 IGNITER UNIT309 FLOW THERMISTOR313 IGNITION LEAD314 CONTROL BOx LENS324 CONTROLS BOx LID325 CONTROL BOx FRONT326 MECHANICAL TIMER401 HEAT ENGINE503 WALL MOUNTING BRACKET504 FRONT PANEL506 BRACKET - GAS VALVE507 BRACKET - ExPANSION VESSEL510 ACCESS FLAP* Note. that production boiler PCB’s arefactory pre-set to operate for boiler range andoutput, but when ordering Primary PCB as aspare, an additional Boiler Chip Card (BCC)MUST also be purchased for your specificboiler range and output.504313215309214306307211308223115510326 325314324219 229231302303135105116106 203 106104124119137127131108119128113110111138/112121118507224227503120117114228206205 204506 401218217INsTaLLaTION