Bosch Compress 3800i EW (CS3800IEW 9) spare parts
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In brief
Instalpunt supplies 93 original parts for the Bosch Compress 3800i EW (CS3800IEW 9), including sensors, temperature sensors and NTC sensors, pressure switches and differential pressure switches. Order online.
- 93Spare parts
- 1In stock
- €23.29From
- 22Types
- availableExploded view
Looking for parts for the Bosch Compress 3800i EW (CS3800IEW 9) (heat pump)? Below are all 93 original parts, grouped by part type, with the matching exploded view. Choose a type to jump straight to the right table.
View the interactive exploded view →- Sensors 5
- Temperature sensors and NTC sensors 1
- Pressure switches and differential pressure switches 1
- Pumps 2
- Heat exchangers 2
- PCBs and controls 2
- Diverter valves and hydroblocks 1
- Expansion valves 2
- Compressors 1
- Siphons and condensate drains 2
- Displays and controls 1
- Filters 4
- Valves 6
- Heating elements 1
- Pressure gauges 1
- Electrical parts 2
- Cables and wiring harnesses 3
- Gaskets and seals 5
- Pipes, tubes and hoses 4
- Casing and panels 13
- Insulation 12
- Fixing material 10
- Other parts 12
Sensors for the Bosch Compress 3800i EW (CS3800IEW 9) (5) all Bosch sensors →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit temperature sensor 200mm 10 kohm | 8020309 Mfr. no. 8733703181 | €63.67 | Made-to-order item | View & order |
| Bosch temperature sensor NTC 1000mm R60 Molex | 80200212 Mfr. no. 8738206175 | €58.27 | Made-to-order item | View & order |
| Nefit temperature limiter for e.g. Compress 3400i AWS (CS3400iAWS 10E) 8738208813 | 8029940 Mfr. no. 8738208813 | €154.39 | Made-to-order item | View & order |
| Nefit discharge sensor | 80200057 Mfr. no. 8738207622 | €63.67 | Made-to-order item | View & order |
| Nefit temperature sensor 200mm 4,7 kohm | 8020307 Mfr. no. 8733703183 | €63.67 | Made-to-order item | View & order |
Temperature sensors and NTC sensors for the Bosch Compress 3800i EW (CS3800IEW 9) (1) all Bosch temperature sensors and NTC sensors →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit outdoor temperature sensor | 8020026 Mfr. no. 8738203521 | €64.75 | In stock | View & order |
Pressure switches and differential pressure switches for the Bosch Compress 3800i EW (CS3800IEW 9) (1) all Bosch pressure switches and differential pressure switches →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch pressure switch 23/18 bar | 80200211 Mfr. no. 8738202149 | €124.15 | Made-to-order item | View & order |
Pumps for the Bosch Compress 3800i EW (CS3800IEW 9) (2) all Bosch pumps →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch pump WILO PARA 25/6-43/SC | 80200258 Mfr. no. 8738210456 | €241.87 | Made-to-order item | View & order |
| Bosch pump UPM3 15-70 CACAO | 80200249 Mfr. no. 8738210443 | €260.23 | Made-to-order item | View & order |
Heat exchangers for the Bosch Compress 3800i EW (CS3800IEW 9) (2) all Bosch heat exchangers →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch evaporator | 80200302 Mfr. no. 8738212085 | €627.43 | Made-to-order item | View & order |
| Bosch plate heat exchanger for Compress 3800i EW (CS3800IEW 9) 8738210413 | 80200227 Mfr. no. 8738210413 | €367.15 | Made-to-order item | View & order |
PCBs and controls for the Bosch Compress 3800i EW (CS3800IEW 9) (2) all Bosch PCBs and controls →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch cable ip module 1 m 8738211577 | 8179385 Mfr. no. 8738211577 | €52.87 | Made-to-order item | View & order |
| Bosch PCB HMI 8738211507 | 8179438 Mfr. no. 8738211507 | €97.15 | Made-to-order item | View & order |
Diverter valves and hydroblocks for the Bosch Compress 3800i EW (CS3800IEW 9) (1) all Bosch diverter valves and hydroblocks →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch 3-way valve | 80200250 Mfr. no. 8738210444 | €224.59 | Made-to-order item | View & order |
Expansion valves for the Bosch Compress 3800i EW (CS3800IEW 9) (2) all Bosch expansion valves →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch expansion valve for Compress 3800i EW (CS3800IEW 9) 8738207627 | 80200213 Mfr. no. 8738207627 | €156.55 | Made-to-order item | View & order |
| Bosch expansion valve for Compress 3800i EW (CS3800IEW 9) 8738207640 | 80200214 Mfr. no. 8738207640 | €260.23 | Made-to-order item | View & order |
Compressors for the Bosch Compress 3800i EW (CS3800IEW 9) (1) all Bosch compressors →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch compressor | 80200226 Mfr. no. 8738210412 | €436.27 | Made-to-order item | View & order |
Siphons and condensate drains for the Bosch Compress 3800i EW (CS3800IEW 9) (2) all Bosch siphons and condensate drains →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch condensate drain Ø18 1790mm | 80200256 Mfr. no. 8738210454 | €58.27 | Made-to-order item | View & order |
| Bosch condensate drain for Compress 3800i EW (CS3800IEW 9) 8738210455 | 80200257 Mfr. no. 8738210455 | €56.11 | Made-to-order item | View & order |
Displays and controls for the Bosch Compress 3800i EW (CS3800IEW 9) (1) all Bosch displays and controls →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch knob for Compress 3800i EW (CS3800IEW 9) 8738210431 | 80200243 Mfr. no. 8738210431 | €61.51 | Made-to-order item | View & order |
Filters for the Bosch Compress 3800i EW (CS3800IEW 9) (4) all Bosch filters →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch filter drier for Compress 3800i EW (CS3800IEW 9) 8738211685 | 80200273 Mfr. no. 8738211685 | €137.11 | Made-to-order item | View & order |
| Bosch filter drier for Compress 3800i EW (CS3800IEW 9) 8738210628 | 80200262 Mfr. no. 8738210628 | €103.63 | Made-to-order item | View & order |
| Bosch filter 165x480x13 mm | 80200199 Mfr. no. 87105070400 | €48.55 | Made-to-order item | View & order |
| Bosch filter ball valve DN20 | 80200251 Mfr. no. 8738210445 | €138.19 | Made-to-order item | View & order |
Valves for the Bosch Compress 3800i EW (CS3800IEW 9) (6) all Bosch valves →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch non-return valve G1/2"-G1/4" | 80200255 Mfr. no. 8738210453 | €110.11 | Made-to-order item | View & order |
| Bosch schrader valve | 80200233 Mfr. no. 8738210421 | €76.63 | Made-to-order item | View & order |
| Bosch safety relief valve | 80200259 Mfr. no. 8738210457 | €58.27 | Made-to-order item | View & order |
| Bosch valve G1" 9bar | 80200260 Mfr. no. 8738210460 | €110.11 | Made-to-order item | View & order |
| Bosch air vent valve for Compress 3800i EW (CS3800IEW 9) 8738210414 | 80200228 Mfr. no. 8738210414 | €61.51 | Made-to-order item | View & order |
| Bosch air vent valve for Compress 3800i EW (CS3800IEW 9) 8738210450 | 80200253 Mfr. no. 8738210450 | €67.99 | Made-to-order item | View & order |
Heating elements for the Bosch Compress 3800i EW (CS3800IEW 9) (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit heating rod 3x 1 kW + 3x 2 kW Incoloy Bosch | 80201057 Mfr. no. 8738216170 | €423.31 | Made-to-order item | View & order |
Pressure gauges for the Bosch Compress 3800i EW (CS3800IEW 9) (1) all Bosch pressure gauges →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch pressure gauge 0-4 Bar 1/8" | 80200215 Mfr. no. 8738207657 | €97.15 | Made-to-order item | View & order |
Electrical parts for the Bosch Compress 3800i EW (CS3800IEW 9) (2) all Bosch electrical parts →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch relay G2R-1-SNI 230C 87183111970 | 8179788 Mfr. no. 87183111970 | €69.07 | Made-to-order item | View & order |
| Bosch capacitor | 80200216 Mfr. no. 8738207659 | €76.63 | Made-to-order item | View & order |
Cables and wiring harnesses for the Bosch Compress 3800i EW (CS3800IEW 9) (3) all Bosch cables and wiring harnesses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch wiring harness refrigerant circuit | 80200245 Mfr. no. 8738210435 | €110.11 | Made-to-order item | View & order |
| Bosch wiring harness 9/13,5kW | 80200275 Mfr. no. 8738211760 | €367.15 | Made-to-order item | View & order |
| Nefit connector set | 8021163 Mfr. no. 8738206040 | €97.15 | Made-to-order item | View & order |
Gaskets and seals for the Bosch Compress 3800i EW (CS3800IEW 9) (5) all Bosch gaskets and seals →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch filter gasket | 80200242 Mfr. no. 8738210430 | €56.11 | Made-to-order item | View & order |
| Nefit seal 1" 30 x21 x ( 10x ) x 1.0 | 8021335 Mfr. no. 87110043620 | €72.31 | Made-to-order item | View & order |
| Nefit O-ring 44 x 32 x 3 (10 pcs) | 8020623 Mfr. no. 87110043580 | €60.43 | Made-to-order item | View & order |
| Nefit gasket 18x 13 x 2 mm | 8020608 Mfr. no. 8738206074 | €61.51 | Made-to-order item | View & order |
| Nefit gasket 39 x 30 x 2 mm (10 pcs) | 8020606 Mfr. no. 8738204368 | €53.95 | Made-to-order item | View & order |
Pipes, tubes and hoses for the Bosch Compress 3800i EW (CS3800IEW 9) (4) all Bosch pipes, tubes and hoses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch nipple snaplock Ø14 | 80200220 Mfr. no. 8738210400 | €36.67 | Made-to-order item | View & order |
| Bosch sleeve for Compress 3800i EW (CS3800IEW 9) 8738210424 | 80200236 Mfr. no. 8738210424 | €50.71 | Made-to-order item | View & order |
| Bosch hose 258 mm | 80200252 Mfr. no. 8738210449 | €73.39 | Made-to-order item | View & order |
| Bosch hose 318 mm | 80200254 Mfr. no. 8738210451 | €67.99 | Made-to-order item | View & order |
Casing and panels for the Bosch Compress 3800i EW (CS3800IEW 9) (13) all Bosch casing and panels →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit foot m10x40 87183119850 - | 80200176 Mfr. no. 87183119850 | €32.35 | Made-to-order item | View & order |
| Bosch cover plate 8738211610 | 8179369 Mfr. no. 8738211610 | €59.35 | Made-to-order item | View & order |
| Bosch logo 8738210406 | 8179450 Mfr. no. 8738210406 | €69.07 | Made-to-order item | View & order |
| Bosch front wall bottom | 80200307 Mfr. no. 8738212175 | €147.91 | Made-to-order item | View & order |
| Bosch side panel left for Compress 3800i EW (CS3800IEW 9) 8738210407 | 80200221 Mfr. no. 8738210407 | €260.23 | Made-to-order item | View & order |
| Bosch side panel right for Compress 3800i EW (CS3800IEW 9) 8738210408 | 80200222 Mfr. no. 8738210408 | €260.23 | Made-to-order item | View & order |
| Bosch side panel top | 80200223 Mfr. no. 8738210409 | €221.35 | Made-to-order item | View & order |
| Bosch condenser cover | 80200261 Mfr. no. 8738210462 | €67.99 | Made-to-order item | View & order |
| Bosch front wall middle | 80200276 Mfr. no. 8738211761 | €298.03 | Made-to-order item | View & order |
| Bosch front wall top | 80200263 Mfr. no. 8738211369 | €322.87 | Made-to-order item | View & order |
| Bosch rear cover | 80200265 Mfr. no. 8738211371 | €279.67 | Made-to-order item | View & order |
| Bosch top cover | 80200239 Mfr. no. 8738210427 | €279.67 | Made-to-order item | View & order |
| Bosch cover for Compress 3800i EW (CS3800IEW 9) 8738210429 | 80200241 Mfr. no. 8738210429 | €241.87 | Made-to-order item | View & order |
Insulation for the Bosch Compress 3800i EW (CS3800IEW 9) (12) all Bosch insulation →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch EPS insulation top 8738210442 | 8179447 Mfr. no. 8738210442 | €158.71 | Made-to-order item | View & order |
| Bosch EPS insulation bottom 8738210439 | 8179448 Mfr. no. 8738210439 | €209.47 | Made-to-order item | View & order |
| Bosch insulation EPP right | 80200231 Mfr. no. 8738210417 | €130.63 | Made-to-order item | View & order |
| Bosch insulation EPP left | 80200234 Mfr. no. 8738210422 | €130.63 | Made-to-order item | View & order |
| Bosch insulation EPS | 80200247 Mfr. no. 8738210440 | €147.91 | Made-to-order item | View & order |
| Bosch fan insulation EPP left | 80200235 Mfr. no. 8738210423 | €130.63 | Made-to-order item | View & order |
| Bosch insulation front panel | 80200277 Mfr. no. 8738211763 | €56.11 | Made-to-order item | View & order |
| Bosch insulation rear cover | 80200264 Mfr. no. 8738211370 | €73.39 | Made-to-order item | View & order |
| Bosch fan insulation EPP right | 80200238 Mfr. no. 8738210426 | €130.63 | Made-to-order item | View & order |
| Bosch insulation top cover | 80200266 Mfr. no. 8738211372 | €97.15 | Made-to-order item | View & order |
| Bosch insulation side panel | 80200240 Mfr. no. 8738210428 | €166.27 | Made-to-order item | View & order |
| Bosch insulation EPP top | 80200267 Mfr. no. 8738211373 | €130.63 | Made-to-order item | View & order |
Fixing material for the Bosch Compress 3800i EW (CS3800IEW 9) (10) all Bosch fixing material →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch support HMI 800 8738211544 | 8179411 Mfr. no. 8738211544 | €36.67 | Made-to-order item | View & order |
| Bosch clamp 8738206759 | 8179549 Mfr. no. 8738206759 | €62.59 | Made-to-order item | View & order |
| Bosch clamp for Compress 3800i EW (CS3800IEW 9) 8738210415 | 80200229 Mfr. no. 8738210415 | €46.39 | Made-to-order item | View & order |
| Bosch right-angle screw connection 90° 19mm | 80200230 Mfr. no. 8738210416 | €73.39 | Made-to-order item | View & order |
| Bosch vibration damper 4 pcs | 80200218 Mfr. no. 8738209111 | €73.39 | Made-to-order item | View & order |
| Bosch filter holder | 80200244 Mfr. no. 8738210432 | €76.63 | Made-to-order item | View & order |
| Bosch clamp for Compress 3800i EW (CS3800IEW 9) 8738210420 | 80200232 Mfr. no. 8738210420 | €67.99 | Made-to-order item | View & order |
| Bosch fan holder | 80200237 Mfr. no. 8738210425 | €73.39 | Made-to-order item | View & order |
| Bosch holder HMI800.2 | 80200304 Mfr. no. 8738212168 | €46.39 | Made-to-order item | View & order |
| Bosch sealing washer for Compress 3800i EW (CS3800IEW 9) 8738211765 | 80200278 Mfr. no. 8738211765 | €46.39 | Made-to-order item | View & order |
Other parts for the Bosch Compress 3800i EW (CS3800IEW 9) (12)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch connector P2RF-05S 8738206758 | 8179550 Mfr. no. 8738206758 | €58.27 | Made-to-order item | View & order |
| Bosch hot water cylinder 180 litre | 80200246 Mfr. no. 8738210438 | €1,788.43 | Made-to-order item | View & order |
| Bosch pressure control 0,7/3,5 bar | 80200210 Mfr. no. 8738201763 | €124.15 | Made-to-order item | View & order |
| Bosch label bypass stop | 80200279 Mfr. no. 8738211766 | €33.43 | Made-to-order item | View & order |
| Bosch drip tray | 80200201 Mfr. no. 87183106480 | €33.43 | Made-to-order item | View & order |
| Bosch screw cap filter ball valve DN20 | 80200412 Mfr. no. 8738212817 | €32.35 | Made-to-order item | View & order |
| Bosch hmi800 + holder set 8738214441 | 10741316 Mfr. no. 8738214441 | €355.27 | Made-to-order item | View & order |
| Bosch electrical cable hmi80 0 eaw | 10741331 Mfr. no. 8738214456 | €103.63 | Made-to-order item | View & order |
| Bosch contactor 8738214994 | 10741355 Mfr. no. 8738214994 | €133.87 | Made-to-order item | View & order |
| Bosch PCB cuhp ea v3.0 1 bo | 10741371 Mfr. no. 8738215185 | €569.11 | Made-to-order item | View & order |
| Bosch control unit HMI800HP NF38.05 | 10740945 Mfr. no. 8737714812 | €433.03 | Made-to-order item | View & order |
| Bosch clamping bracket 22 mm 8738213781 | 10741050 Mfr. no. 8738213781 | €35.59 | Made-to-order item | View & order |
Exploded views of the Bosch Compress 3800i EW (CS3800IEW 9)
Click an exploded view to enlarge it. The position numbers are shown next to each part.
Fault code on your Bosch Compress 3800i EW (CS3800IEW 9)? This is the part type involved
Common Bosch fault codes and the part type that is usually the cause; the parts for this model are listed above.
| Code | What is going on | Part type |
|---|---|---|
| 2P564 | Temperature sensor temperature rising too fast (> 70 K/min). | Sensors |
| 281 B | CH pump blocked or air in CH pump | Pumps |
| 317 V | Flue gas temperature sensor short circuit | Sensors |
| 318 V | Flue gas temperature sensor open circuit | Sensors |
| 815 W | Open manifold temperature sensor defective | Sensors |
| 1019 W | Wrong pump type detected | Pumps |
For guidance only: the same code can have a different cause depending on the situation.
Other Bosch heat pumps
- Bosch Compress 3400i AWS (CS3400iAWS 10E) 64
- Bosch Compress 3400i AWS (CS3400iAWS 10M) 67
- Bosch Compress 3400i AWS (CS3400iAWS 14E) 64
- Bosch Compress 3400i AWS (CS3400iAWS 14M) 68
- Bosch Compress 5800i AW (CS5800iAW 12 E) 40
- Bosch Compress 5800i AW (CS5800iAW 12 M) 61
- Bosch Compress 6000 LWM 10kW 64
- Bosch Compress 6000 LWM 4,5kW 63
- Bosch Compress 7000 LW EHP 22-2 LW 66
- Bosch Compress 7000 LW EHP 28-2 LW 66
- Bosch Compress 7000 LW EHP 38-2 LW 59
- Bosch Compress 7000 LW EHP 48-2 LW 62
Frequently asked questions
Which parts are available for the Bosch Compress 3800i EW (CS3800IEW 9)?
The catalogue lists 93 original parts for the Bosch Compress 3800i EW (CS3800IEW 9), including sensors, temperature sensors and NTC sensors, pressure switches and differential pressure switches, pumps. All parts are listed above, grouped by type, with part number and price.
How much does a sensor for the Bosch Compress 3800i EW (CS3800IEW 9) cost?
The sensors for this model cost between €52.22 and €180.65 incl. VAT. Check the table "Sensors" above for the right part number.
Are the parts for the Bosch Compress 3800i EW (CS3800IEW 9) in stock?
1 of the 93 parts is in stock; shipping to EU countries from €12.95 (€16.95 for more distant countries), usually 3–5 working days. Parts marked "Made-to-order item" are ordered specially for you; the delivery time is shown on the product page.
How do I know which part I need for the Bosch Compress 3800i EW (CS3800IEW 9)?
Search for the part by part number or use the exploded view of the Bosch Compress 3800i EW (CS3800IEW 9). Is your appliance showing a fault code? The fault code table shows the matching part type.
Are these original Bosch parts?
Yes. All 93 parts in this list are original manufacturer parts for the Bosch Compress 3800i EW (CS3800IEW 9), delivered with the correct part number.
How much do parts for the Bosch Compress 3800i EW (CS3800IEW 9) cost?
Parts for the Bosch Compress 3800i EW (CS3800IEW 9) range from €23.29 to €2,417.63 incl. VAT. The exact price of each part is shown in the tables above.
Can I return a part?
As a consumer you have a 14-day right of withdrawal. You may unpack and inspect the part; do not install or connect it. For a part that has been installed, connected or damaged we deduct the diminished value, up to the full price for circuit boards.