28Si II

Worcester Bosch Boiler 28Si II

28Si II

IDPart NumberPart DescriptionNotesPurchase
38 716 105 008 0 / E88-143Burner 28Si II NG RSF
48 716 105 009 0 / E88-144Burner 28Si II LPG RSF
58 716 102 673 0 / E88-450Gas Valve NG Dungs BN771SL040 - 239675
68 716 102 868 0 / E88-451Gas Valve LPG Dungs BN771SL040 - 239676
78 716 104 896 0 / E88-146Air Pressure Switch
88 716 101 901 0 / E88-169E lectrode Set (Flame and Ignition)
98 717 206 200 0 / E88-170Overheat Stat
108 716 142 302 0 / 375-696NTC/Thermistor DHW
118 714 500 029 0 / E88-171NTC/Thermistor CH
128 716 140 516 0 / 378-809Air Vent Manual 1/4 BSP
138 716 141 000 0 / 299-3633 Air Flow Sensor
158 715 406 814 0 / E88-173Heat Exchanger 28Si II
178 761 105 010 0 / E88-175Insulation Pack 28Si II
188 716 142 398 0 / E88-176Pressure Gauge
198 716 156 764 0 / E27-580Pressure Relief Valve
208 716 143 116 0 / E88-177Pump
218 715 407 154 0 / E27-587Expansion Vessel
228 748 300 488 0 / H02-152Control Board
248 716 104 81 5 0 / E88-180Fan Assembly - 28Si II
258 716 146 164 0 / E88-181Flow Sensor
268 716 104 609 0 / E88-182Seal-Door Extrusion
278 747 210 294 0 / E88-183Transformer
298 716 141 253 0 / E88-185Flow Regulator 28Si II
318 714 421 167 0 / H02-157Code Plug 28Si II RSF

Worcester Bosch 28Si II boiler parts table, diagram and guide for replacement parts.