Bosch Singular 4000 | Singular 5200 Gas Condensing Combi Boilers
Spare Parts List
Case Parts
| Pos. | Description | Ordering no. | Distributor Recommended Stock | Contractor Recommended Stock | Remarks |
|---|---|---|---|---|---|
| 100 | Front cover | 7738007235 | |||
| 101 | Exhaust adapter | 7738007236 | |||
| 102 | Intake adapter | 7738007237 | |||
| 103 | Touch Pad | 7738007238 | |||
| 104 | Touch Pad Bracket | 7738007239 | |||
| 105 | Switch, Main power supply | 7738007240 | |||
| 106 | Touch Pad Brace | 7738007241 | |||
| 107 | Control Board Bracket | 7738007242 | |||
| 108 | Cord, Power | 7738007243 | |||
| 109 | Exhaust Seal Gasket | 7738007244 | |||
| 110 | Air Intake Screen | 7738007245 | ✓ | ||
| 111 | Switch, Air pressure (4000) | 7738007246 | ✓ | ||
| Switch, Air pressure (5200) | 7738007247 | ✓ | |||
| 112 | Control Board 4000 | 7738007248 | ✓ | ||
| Control Board 5200 | 7738007249 | ✓ | |||
| 113 | Wire Harness | 7738007250 | ✓ | ||
| 114 | Touch Pad Cover | 7738007251 | |||
| 115 | Outdoor Temperature Sensor | 7738007304 | ✓ | not shown in drawing | |
| 500 | Ø4x10 Tapping Screw (STS) | avail in kit only, item 328 | for individual pieces, source locally | ||
| 501 | Ø4x7 Tapping Screw (STS) | avail in kit only, item 328 | for individual pieces, source locally | ||
| 502 | M4x12 Screw | avail in kit only, item 328 | for individual pieces, source locally | ||
| 503 | Touch Pad Gasket | if needed, replace 103 | not available separately | ||
| 504 | Intake/Exhaust Adapter Gasket | if needed, replace 101 or 102 | not available separately |
Flue Parts
| Pos. | Description | Ordering no. | Distributor Recommended Stock | Contractor Recommended Stock | Remarks |
|---|---|---|---|---|---|
| 200 | Ignition transformer | 7738007252 | ✓ | ||
| 201 | High limit switch | 7738007253 | ✓ | ✓ | |
| 202 | Wire, High limit switch | 7738007254 | |||
| 203 | Electrode Cover | 7738007255 | |||
| 204 | Heat Exchanger | 7738007256 | ✓ | ||
| Orifice NG | 7738007257 | ✓ | |||
| 205 | Orifice LP | 7738007258 | ✓ | ||
| 206 | Flame Rod Assembly | 7738007259 | ✓ | ||
| 207 | Electrode Assembly | 7738007260 | ✓ | ||
| 208 | Diaphagm Valve | 7738007261 | ✓ | ||
| 209 | Fan | 7738007262 | ✓ | ||
| 210 | Cover, Flame rod | 7738007263 | |||
| 211 | Valve, TDR solenoid | 7738007264 | |||
| 212 | Air Mixer | 7738007265 | |||
| 213 | Silencer | 7738007266 | |||
| 214 | Orifice Cover | 7738007267 | |||
| 215 | Exhaust Gas Temp Sensor | 7738007268 | ✓ | ||
| 216 | Pipe, Gas outlet | 7738007269 | |||
| 217 | Valve, Gas | 7738007270 | |||
| 218 | Pipe, Gas inlet | 7738007271 | |||
| 219 | Pipe, Gas | 7738007272 | |||
| 220 | Trap, Condenstate | 7738007273 | ✓ | ||
| 225 | Hose, Condensate | 7738007274 | ✓ | ||
| 511 | Ø4X12 Tapping screw | avail in kit, item 328 | for individual pieces, source locally | ||
| 512 | Ø3.5X6 Tapping screw | avail in kit, item 328 | for individual pieces, source locally | ||
| 513 | Ø4X10 Tapping screw | avail in kit, item 328 | for individual pieces, source locally | ||
| 514 | M3*0.5p Screw | avail in kit, item 328 | for individual pieces, source locally | ||
| 515 | Ø4X8 Tapping screw (STS) | avail in kit, item 328 | for individual pieces, source locally | ||
| 516 | M4*0.7p(L=20) Screw+Washer | avail in kit, item 328 | for individual pieces, source locally | ||
| 517 | Ø4X18 Tapping screw (STS) | avail in kit, item 328 | for individual pieces, source locally | ||
| 518 | M4*8 Screw | avail in kit, item 328 | for individual pieces, source locally | ||
| 519 | M5*0.8p Screw | avail in kit, item 328 | for individual pieces, source locally | ||
| 520 | M5*0.8p*16 Screw | avail in kit, item 328 | for individual pieces, source locally | ||
| 521 | O-ring (Gas Nipple) | avail in kit, item 327 | for individual pieces, source locally | ||
| 522 | M4*0.7p Screw(L=10) | avail in kit, item 328 | for individual pieces, source locally | ||
| 523 | Ø4X8 Tapping screw | avail in kit, item 328 | for individual pieces, source locally | ||
| 524 | M4*14 Screw | avail in kit, item 328 | for individual pieces, source locally | ||
| 525 | M5*0.8p Screw | avail in kit, item 328 | for individual pieces, source locally | ||
| 526 | O-ring (Gas 3/4") | avail in kit, item 327 | for individual pieces, source locally | ||
| 527 | Heat Exchanger Brackets L and R | if needed, replace 204 | not available separately | ||
| 529 | Flame Rod Gasket | if needed, replace 206 | not available separately | ||
| 530 | Flame Rod Bracket | if needed, replace 206 | not available separately | ||
| 531 | Spark Plug Bracket | if needed, replace 207 | not available separately | ||
| 532 | Spark Plug Gasket | if needed, replace 207 | not available separately | ||
| 533 | Orifice Gasket | avail in kit, item 327 | for individual pieces, source locally | ||
| 534 | Condensate Trap Gasket | if needed, replace 220 | not available separately |
Water Parts
| Pos. | Description | Ordering no. | Distributor Recommended Stock | Contractor Recommended Stock | Remarks |
|---|---|---|---|---|---|
| 300 | High limit switch | 7738007275 | ✓ | ||
| 301 | Elbow, Supply | 7738007276 | |||
| 302 | Heating Return Sensor | 7738007277 | |||
| 303 | HX connection pipe | 7738007278 | |||
| 304 | supply pipe 1 | 7738007279 | |||
| 305 | Return Connector | 7738007280 | |||
| 306 | Pipe, Return | 7738007281 | |||
| 307 | Air vent | 7738007282 | ✓ | ||
| 308 | Pump | 7738007283 | ✓ | ||
| 309 | Return Valve Assembly | 7738007284 | |||
| 310 | Pipe, Feed outlet | 7738007285 | |||
| 311 | Pipe, Feed inlet | 7738007286 | |||
| 312 | Valve, Manual feed | 7738007287 | ✓ | ||
| 313 | Nipple, Boiler return | 7738007288 | |||
| 314 | Flow Switch | 7738007289 | |||
| 315 | nipple, dhw inlet | 7738007290 | |||
| 316 | nipple, dhw outlet | 7738007291 | |||
| 317 | Pipe, DHW | 7738007292 | |||
| 318 | Nipple, Heating Supply/Return | 7738007293 | |||
| 319 | supply pipe 2 | 7738007294 | |||
| 320 | DHW Sensor | 7738007295 | ✓ | ||
| 321 | Valve, Diverter | 7738007296 | ✓ | ||
| 322 | Pressure sensor | 7738007297 | ✓ | ✓ | |
| 323 | Pipe, dhw inlet | 7738007298 | |||
| 324 | HX, Flate Plate | 7738007299 | ✓ | ||
| 325 | Pipe, Circulation | 7738007300 | |||
| 326 | Connector, HX Flat Plate | 7738007301 | |||
| 327 | O-ring Kit | 7738007302 | ✓ | ✓ | |
| 328 | Screw/Packing/Clip Kit | 7738007303 | ✓ | ✓ | |
| 540 | Back up ring (Ø18.6) | avail in kit only, item 327 | for individual pieces, source locally | ||
| 541 | P16 Back Up Ring | avail in kit only, item 327 | for individual pieces, source locally | ||
| 542 | P18 Back Up Ring | avail in kit only, item 327 | for individual pieces, source locally | ||
| 543 | P14 Back Up Ring | avail in kit only, item 327 | for individual pieces, source locally | ||
| 544 | P6 Back Up Ring | avail in kit only, item 327 | for individual pieces, source locally | ||
| 545 | P16 O-ring | avail in kit only, item 327 | for individual pieces, source locally | ||
| 546 | O-ring (pump) | avail in kit only, item 327 | for individual pieces, source locally | ||
| 547 | P18 O-ring | avail in kit only, item 327 | for individual pieces, source locally | ||
| 548 | O-ring | avail in kit only, item 327 | for individual pieces, source locally | ||
| 549 | Overheat prevent sensor b/k | if needed, replace item 300 | not available separately | ||
| 550 | P18 Fixing Clip | avail in kit only, item 328 | for individual pieces, source locally | ||
| 551 | Plate to Plate HEX | avail in kit only, item 328 | for individual pieces, source locally | ||
| 552 | P14 Fixing Clip | avail in kit only, item 328 | for individual pieces, source locally | ||
| 553 | P6 Fixing Clip | avail in kit only, item 328 | for individual pieces, source locally | ||
| 554 | Pump Fixing Clip | avail in kit only, item 328 | for individual pieces, source locally | ||
| 555 | Clip, Joint (16A) | avail in kit only, item 328 | for individual pieces, source locally | ||
| 556 | P22 Back Up Ring | avail in kit only, item 327 | for individual pieces, source locally | ||
| 557 | P22 Fixing Clip | avail in kit only, item 327 | for individual pieces, source locally | ||
| 558 | Return Body Connector | if needed, replace item 309 | not available separately |
