Bosch WR 400-1 spare parts
In brief
Instalpunt supplies 42 original parts for the Bosch WR 400-1, including gas valves and gas control, diverter valves and hydroblocks, ignition and ionisation. Order online.
- 42Spare parts
- 16In stock
- €9.15From
- 10Types
Looking for parts for the Bosch WR 400-1 (instantaneous water heater)? Below are all 42 original parts, grouped by part type. Choose a type to jump straight to the right table.
- Gas valves and gas control 4
- Diverter valves and hydroblocks 2
- Ignition and ionisation 2
- Burners 5
- Valves 3
- Cables and wiring harnesses 1
- Gaskets and seals 11
- Pipes, tubes and hoses 1
- Casing and panels 2
- Fixing material 5
- Other parts 6
Gas valves and gas control for the Bosch WR 400-1 (4) all Bosch gas valves and gas control →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch venturi for e.g. WR 200-1 AM P 87082052490 | 8180677 Mfr. no. 87082052490 | €17.95 | In stock | View & order |
| Bosch pilot injector blue 10 pcs | 8184182 Mfr. no. 87082001400 | €49.95 | In stock | View & order |
| Bosch injector 10 pcs for e.g. WR 350-1 87082021460 | 8184122 Mfr. no. 87082021460 | €47.95 | Made-to-order item | View & order |
| Nefit injector set of 10 pcs for F3255E3 | 8036018 Mfr. no. 87082021530 | €25.95 | Made-to-order item | View & order |
Diverter valves and hydroblocks for the Bosch WR 400-1 (2) all Bosch diverter valves and hydroblocks →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit internal mechanism WR 250-1-AME | 8184108 Mfr. no. 87054061700 | €600.95 | Not available | View & order |
| Nefit inner assembly for F3300 | 8036041 Mfr. no. 87054061980 | €395.95 | Made-to-order item | View & order |
Ignition and ionisation for the Bosch WR 400-1 (2) all Bosch ignition and ionisation →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit ignition electrode for e.g. F 1400 87081070020 | 8035001 Mfr. no. 87081070020 | €19.95 | In stock | View & order |
| Nefit piezo igniter | 8185017 Mfr. no. 87481080230 | €22.95 | In stock | View & order |
Burners for the Bosch WR 400-1 (5) all Bosch burners →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit pilot burner for e.g. F 1455 87081053130 | 8180600 Mfr. no. 87081053130 | €37.95 | In stock | View & order |
| Bosch burner WR-1 440KP | 8180624 Mfr. no. 87081204620 | €153.95 | Made-to-order item | View & order |
| Bosch burner complete WR400-1 KP | 8186049 Mfr. no. 87081202470 | €148.95 | Made-to-order item | View & order |
| Bosch burner WR-1 275KP 87081204600 | 8180622 Mfr. no. 87081204600 | €117.95 | Made-to-order item | View & order |
| Bosch burner WR-1 350KP | 8180623 Mfr. no. 87081204610 | €212.95 | Made-to-order item | View & order |
Valves for the Bosch WR 400-1 (3) all Bosch valves →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch slow ignition valve W135/WR250/32 | 8180730 Mfr. no. 87085030630 | €18.95 | In stock | View & order |
| Bosch water flow regulator 87074020210 | 8180540 Mfr. no. 87074020210 | €59.95 | Made-to-order item | View & order |
| Nefit gas valve body | 8036124 Mfr. no. 87080080090 | €56.95 | Made-to-order item | View & order |
Cables and wiring harnesses for the Bosch WR 400-1 (1) all Bosch cables and wiring harnesses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit high-voltage lead for e.g. F 1455 87044010230 | 8185093 Mfr. no. 87044010230 | €20.95 | In stock | View & order |
Gaskets and seals for the Bosch WR 400-1 (11) all Bosch gaskets and seals →
Pipes, tubes and hoses for the Bosch WR 400-1 (1) all Bosch pipes, tubes and hoses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit pilot line 4mm | 8181449 Mfr. no. 87107071660 | €44.95 | In stock | View & order |
Casing and panels for the Bosch WR 400-1 (2) all Bosch casing and panels →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit pilot cap 10 pcs | 8184181 Mfr. no. 87013090390 | €33.95 | In stock | View & order |
| Bosch water housing cover | 8181395 Mfr. no. 87055001450 | €49.95 | In stock | View & order |
Fixing material for the Bosch WR 400-1 (5) all Bosch fixing material →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch temperature selector spindle | 8180712 Mfr. no. 87085002570 | €58.95 | In stock | View & order |
| Nefit screw 87034010510, 10 pcs | 8184119 Mfr. no. 87034010510 | €22.95 | Made-to-order item | View & order |
| Bosch spindle for e.g. WR 200-1 AM P 87035020330 | 8185051 Mfr. no. 87035020330 | €25.95 | Made-to-order item | View & order |
| Bosch adjusting screw 87034040970 | 8036027 Mfr. no. 87034040970 | €23.95 | Made-to-order item | View & order |
| Bosch screw water cover 10 pcs | 8185080 Mfr. no. 29106541910 | €21.95 | Made-to-order item | View & order |
Other parts for the Bosch WR 400-1 (6)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit magnet insert for e.g. W 135 natural gas 87072010120 | 8180420 Mfr. no. 87072010120 | €50.95 | In stock | View & order |
| Nefit backflow protection for e.g. WR 350-1 8738718428 | 8184127 Mfr. no. 8738718428 | €112.95 | In stock | View & order |
| Nefit diaphragm plate | 8181094 Mfr. no. 87005030680 | €50.95 | Made-to-order item | View & order |
| Bosch water section for e.g. WR 350-1 87070024400 | 8184112 Mfr. no. 87070024400 | €281.95 | Made-to-order item | View & order |
| Bosch water section WR 400 | 8180412 Mfr. no. 87070024590 | €315.95 | Made-to-order item | View & order |
| Nefit gas housing cover for e.g. F 2555 87052050690 | 8036034 Mfr. no. 87052050690 | €96.95 | Made-to-order item | View & order |
Fault code on your Bosch WR 400-1? 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 |
|---|---|---|
| 8C373 | The burner thermostat has measured an excessive temperature more often than permitted. | Burners |
| 8C374 | Insufficient ionisation current has been measured during firing more often than permitted. | Ignition and ionisation |
| 9A235 | The KIM is too new for the burner control unit. | Burners |
| 9U233 | The burner control unit or the KIM is faulty. | Burners |
| 227 V | No flame signal after ignition | Ignition and ionisation |
| 229 B | Flame lost during burner operation | Burners |
For guidance only: the same code can have a different cause depending on the situation.
Other Bosch instantaneous water heaters
- Bosch HR 8000S (WTD27 AME) 73
- Bosch Kelvin WR 11H (GWH 11) 37
- Bosch Kelvin WR 11P (GWH 11P) 33
- Bosch Kelvin WR 14H (GWH 14) 28
- Bosch Kelvin WR 14P (GWH 14P) 25
- Bosch Kelvin WR 18H (GWH 18) 30
- Bosch Kelvin WR 18P (GWH 18P) 26
- Bosch WR 200-1 AM P 58
- Bosch WR 200-5 AM 98
- Bosch WR 250-1 AM0 E 19
- Bosch WR 250-1 AM0 P 58
- Bosch WR 250-5 AM 46
Frequently asked questions
Which parts are available for the Bosch WR 400-1?
The catalogue lists 42 original parts for the Bosch WR 400-1, including gas valves and gas control, diverter valves and hydroblocks, ignition and ionisation, burners. All parts are listed above, grouped by type, with part number and price.
How much does a gas valve for the Bosch WR 400-1 cost?
The gas valves and gas control for this model cost between €13.73 and €56.19 incl. VAT. Check the table "Gas valves and gas control" above for the right part number.
Are the parts for the Bosch WR 400-1 in stock?
16 of the 42 parts are 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 WR 400-1?
Search for the part by part number or use the parts list of the Bosch WR 400-1. Is your appliance showing a fault code? The fault code table shows the matching part type.
Are these original Bosch parts?
Yes. All 42 parts in this list are original manufacturer parts for the Bosch WR 400-1, supplied through the official technical wholesale channel and with the correct part number.
How much do parts for the Bosch WR 400-1 cost?
Parts for the Bosch WR 400-1 range from €9.15 to €524.03 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.