Highflow 400 BF

Worcester Bosch Boiler Highflow 400 BF

Highflow 400 BF

IDPart NoDescriptionNotesPurchase
18 716 142 606 0 / 378 381BF Burner Replacement Kit NGAeromatic
28 716 156 337 0 / 379 040Injector(4.4mm diameter)
38 716 142 438 0 / 299 324Gas ValveHoneywell V4600Q2125
48 716 156 612 0 / 379 562Pilot BurnerHoneywell Q385A2010 F-Tip
58 716 156 300 0 / 382 850Pilot InjectorHoneywell 45.004.108.001
68 716 142 324 0 / 390 210ThermocoupleHoneywell Q309A2747 700mm
78 716 142 104 0 / 386 575ElectrodeHoneywell 45.900.413.004
88 716 146 639 0 / 299 183Electrode Lead Assembly(220mm)
98 716 142 126 0 / 393 652Peizo Generator
108 716 142 802 0 / 299 328Gas to Water Heat Exchanger(with washers)
117 716 192 227 0 / 374 607Combustion Chamber Insulation(comlete)
128 716 140 500 0 / EOO 717Auto Air VentCaleffi Minical 503020
138 716 142 325 0 / 386 244Pressure Gauge(with washer)
148 716 142 422 0 / 378 810Pressure Relief Valve(with ‘O’ rings) Caleffi 3141 3bar
158 716 143 103 0 / 386 224Pump with “O” RingsGrundfos 15-60 Special
168 716 142 507 0 / 299 341Expansion Vessel(12 litres with washers)
178 716 142 909 0 / 299 323DHW Heat Exchanger(with “O” Rings) SWEP
188 716 142 482 0 / 299 329Water Diverter Valve(with “O” rings) Bosch
198 716 146 312 0 / E01 882PCB Boller Control (relay board)Issue A 04/97Pactrol
208 716 142 338 0 / 299 330Heatbank O/H Thermostat (BBA)Ranco LM7 P5079
218 716 142 339 0 / 299 152Saftery Temperture LimiterElmwood 2455
228 716 142 341 0 / 173 051CH ThermostatRanco K36 P1332
238 716 120 340 0 / 173 052HW ThermostatRanco K36 P1333
248 716 142 817 0 / 299 333HW Limit ThermostatElmwood
268 716 146 106 0 / 386 778Operating SwitchArrow 2004E839 3 position
277 716 192 008 0 / 371 539Programmer Kit (Optional)WHS Single Channel
288 716 120 862 0 / 371 524Neon(Green)IMO Ref. NI9L 240R/S Green
298 716 120 861 0 / 371 525Neon(Amber)IMO Ref. NI9L 240 R/S Amber
308 716 148 401 0 / 324 822Gauze Filter
318 716 140 516 0 / 378 809Manual Air Vent1/4 BSP
328 716 120 740 0 / 299 336Flow Switch Assembly(with washers) SIKA
338 716 141 142 0 / 378 811Flow RegulatorType A 18 1/min ± 15%, Purple
34299 337Expansion Vessel Flexible Hose(with washers)
358 716 140 747 0 / 299 093Inner Casing Seal
368 716 143 017 0 / 299 342Top Manifold Block(with “O” Rings)
378 716 143 016 0 / 299 343Bottom Maniflod Block(with “O” Rings)
388 716 146 423 0 / 299 345Control Box Cooling Fan – Impeller
398 716 146 422 0 / 378 825Control Box Cooling Fan
407 716 192 228 0 / 299 346Gasket Pack
41Water Filter Primary System

Exploded parts schematics and part tables to aid in identifying your Worcester Bosch Highflow 400 BF boiler replacement part requirements.