Bosch HRS 42 TOP spare parts
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In brief
Instalpunt supplies 68 original parts for the Bosch HRS 42 TOP, including fans, sensors, heat exchangers. Order online.
- 68Spare parts
- 16In stock
- €8.47From
- 18Types
Looking for parts for the Bosch HRS 42 TOP (boiler)? Below are all 68 original parts, grouped by part type. Choose a type to jump straight to the right table.
Quick left to the right part for the Bosch HRS 42 TOP
| Part | From | Delivery |
|---|---|---|
| Ignition part Bosch ignition cable for e.g. HRC 30 (ZWB7-26A5S0730) 87144019990 | €75.55 | In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). |
| Display Bosch temperature selector knob | €51.79 | In-stock items usually arrive within 3–5 working days, made-to-order items within 5–7 working days (a longer lead time is shown on the product page). |
Prices incl. VAT, taken directly from our checkout. Below is the complete parts list for this model.
Installer or self-employed engineer? Create a business account: prices excl. VAT and invoices in your company name.
- Fans 1
- Sensors 1
- Heat exchangers 1
- PCBs and controls 1
- Ignition and ionisation 1
- Siphons and condensate drains 1
- Burners 1
- Displays and controls 1
- Valves 1
- Pressure gauges 1
- Electrical parts 4
- Conversion kits 1
- Cables and wiring harnesses 5
- Gaskets and seals 10
- Pipes, tubes and hoses 8
- Casing and panels 12
- Insulation 1
- Fixing material 7
- Other parts 10
Fans for the Bosch HRS 42 TOP (1) all Bosch fans →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch fan for e.g. Turbo Tower HRC 30 Solar 87172043430 | 8185133 Mfr. no. 87172043430 | €442.75 | Made-to-order item | View & order |
Sensors for the Bosch HRS 42 TOP (1) all Bosch sensors →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit sensor HR/HRC | 8185020 Mfr. no. 87145000870 | €36.67 | In stock | View & order |
Heat exchangers for the Bosch HRS 42 TOP (1) all Bosch heat exchangers →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch heat exchanger HRS/C 16/22/26/35/42 | 8127077 Mfr. no. 8737708005 | €781.87 | Made-to-order item | View & order |
PCBs and controls for the Bosch HRS 42 TOP (1) all Bosch PCBs and controls →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch display PCB | 8126894 Mfr. no. 87472081500 | €407.11 | Made-to-order item | View & order |
Ignition and ionisation for the Bosch HRS 42 TOP (1) all Bosch ignition and ionisation →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch ignition cable for e.g. HRC 30 (ZWB7-26A5S0730) 87144019990 | 8185129 Mfr. no. 87144019990 | €75.55 | In stock | View & order |
Siphons and condensate drains for the Bosch HRS 42 TOP (1) all Bosch siphons and condensate drains →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch siphon HRS/HRC | 8184135 Mfr. no. 87107254480 | €53.95 | In stock | View & order |
Burners for the Bosch HRS 42 TOP (1) all Bosch burners →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch burner + gasket | 8181415 Mfr. no. 87180066580 | €355.27 | In stock | View & order |
Displays and controls for the Bosch HRS 42 TOP (1) all Bosch displays and controls →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch temperature selector knob | 8180895 Mfr. no. 87120001040 | €51.79 | In stock | View & order |
Valves for the Bosch HRS 42 TOP (1) all Bosch valves →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch float air vent | 8185054 Mfr. no. 87185050140 | €40.99 | In stock | View & order |
Pressure gauges for the Bosch HRS 42 TOP (1) all Bosch pressure gauges →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch pressure gauge for e.g. HRC 30 (ZWB7-26A5S0730) 87172080790 | 8185172 Mfr. no. 87172080790 | €53.95 | In stock | View & order |
Electrical parts for the Bosch HRS 42 TOP (4) all Bosch electrical parts →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch fuse set | 8185067 Mfr. no. 87445030100 | €23.71 | Made-to-order item | View & order |
| Bosch tube fuse 10 pcs for e.g. HRC II 35 (ZWBR35) 19045227300 | 8185162 Mfr. no. 19045227300 | €28.03 | Made-to-order item | View & order |
| Bosch tube fuse 10 pcs for e.g. HRC II 35 (ZWBR35) 19045227400 | 8185163 Mfr. no. 19045227400 | €28.03 | Made-to-order item | View & order |
| Bosch transformer for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87472012690 | 8185141 Mfr. no. 87472012690 | €93.91 | Made-to-order item | View & order |
Conversion kits for the Bosch HRS 42 TOP (1) all Bosch conversion kits →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch gas conversion kit for HRS 42 TOP 7710149043 | 8186617 Mfr. no. 7710149043 | €49.63 | Made-to-order item | View & order |
Cables and wiring harnesses for the Bosch HRS 42 TOP (5) all Bosch cables and wiring harnesses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch cable for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87144019520 | 8186209 Mfr. no. 87144019520 | €23.71 | Made-to-order item | View & order |
| Bosch cable for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87144019680 | 8187017 Mfr. no. 87144019680 | €64.75 | Made-to-order item | View & order |
| Bosch cable set for e.g. HRS 42 TOP 87144020870 | 8180967 Mfr. no. 87144020870 | €110.11 | Made-to-order item | View & order |
| Bosch cable set for e.g. HRS 42 TOP 87144112950 | 8187167 Mfr. no. 87144112950 | €75.55 | Made-to-order item | View & order |
| Bosch plug ZWE..3MFA | 8185164 Mfr. no. 87144042260 | €47.47 | Made-to-order item | View & order |
Gaskets and seals for the Bosch HRS 42 TOP (10) all Bosch gaskets and seals →
Pipes, tubes and hoses for the Bosch HRS 42 TOP (8) all Bosch pipes, tubes and hoses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch drain pipe for e.g. HRC 30 (ZWB7-26A5S0730) 87107253730 | 8185226 Mfr. no. 87107253730 | €63.67 | In stock | View & order |
| Bosch connector for e.g. HRC 30 (ZWB7-26A5S0730) 87107253740 | 8185227 Mfr. no. 87107253740 | €53.95 | In stock | View & order |
| Bosch flow pipe for HRS 42 TOP 87107256050 | 8185235 Mfr. no. 87107256050 | €286.15 | Made-to-order item | View & order |
| Bosch gas pipe 87107255010 | 8186824 Mfr. no. 87107255010 | €49.63 | Made-to-order item | View & order |
| Bosch sleeve + screw | 8185224 Mfr. no. 87103052970 | €28.03 | Made-to-order item | View & order |
| Bosch return pipe for HRS 42 TOP 87107256060 | 8185236 Mfr. no. 87107256060 | €160.87 | Made-to-order item | View & order |
| Bosch fan cable for e.g. HRS 42 TOP 87144112940 | 8187022 Mfr. no. 87144112940 | €64.75 | Made-to-order item | View & order |
| Bosch connector for e.g. HRS 42 TOP 87107256020 | 8187265 Mfr. no. 87107256020 | €101.47 | Made-to-order item | View & order |
Casing and panels for the Bosch HRS 42 TOP (12) all Bosch casing and panels →
Insulation for the Bosch HRS 42 TOP (1) all Bosch insulation →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch insulation plate | 8186744 Mfr. no. 87110030560 | €35.59 | Made-to-order item | View & order |
Fixing material for the Bosch HRS 42 TOP (7) all Bosch fixing material →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch mounting kit flow hood hot water | 8126892 Mfr. no. 87103052960 | €63.67 | In stock | View & order |
| Bosch screw set 87290002630 | 8185259 Mfr. no. 87290002630 | €64.75 | Made-to-order item | View & order |
| Nefit front plate screw 10 pcs | 8184399 Mfr. no. 29106124320 | €23.71 | Made-to-order item | View & order |
| Bosch screw 87134030290 | 8186207 Mfr. no. 87134030290 | €23.71 | Made-to-order item | View & order |
| Nefit screw 87134030130, 10 pcs | 8030110 Mfr. no. 87134030130 | €23.71 | Made-to-order item | View & order |
| Bosch clamping bracket for e.g. HRC 30 (ZWB7-26A5S0730) 87113010840 | 8180011 Mfr. no. 87113010840 | €34.51 | Made-to-order item | View & order |
| Bosch plug for e.g. HRC 30 (ZWB7-26A5S0730) 87133011140 | 8185249 Mfr. no. 87133011140 | €11.83 | Made-to-order item | View & order |
Other parts for the Bosch HRS 42 TOP (10)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch gas pipe for e.g. HRC 30 (ZWB7-26A5S0730) 87107254490 | 8185228 Mfr. no. 87107254490 | €105.79 | Made-to-order item | View & order |
| Bosch rubber profile | 8185050 Mfr. no. 87107031820 | €47.47 | Made-to-order item | View & order |
| Bosch lead seal 10 pcs | 8189612 Mfr. no. 87123050230 | €28.03 | Made-to-order item | View & order |
| Bosch lead seal 10 pcs | 8189377 Mfr. no. 87123050920 | €28.03 | Made-to-order item | View & order |
| Bosch air limiter for HRS 42 TOP 87110002690 | 8187014 Mfr. no. 87110002690 | €92.83 | Made-to-order item | View & order |
| Bosch air limiter for e.g. HRC 30 (ZWB7-26A5S0730) 87110002570 | 8180867 Mfr. no. 87110002570 | €35.59 | Made-to-order item | View & order |
| Bosch washer 10 pcs | 8189351 Mfr. no. 87101001900 | €47.47 | Made-to-order item | View & order |
| Bosch pump connection module | 8187702 Mfr. no. 87172074260 | €319.63 | Made-to-order item | View & order |
| Bosch plugs | 8185052 Mfr. no. 87105061990 | €28.03 | Made-to-order item | View & order |
| Bosch collector tray for e.g. HRC 35 TOP (ZWBR8-35A5S0730) 87180066520 | 8187317 Mfr. no. 87180066520 | €105.79 | Made-to-order item | View & order |
Bosch HRS 42 TOP error codes
Is there a code on the display? For each code: what it means for this series, what you can check yourself and which part is usually needed.
Fault code on your Bosch HRS 42 TOP? 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. All codes explained: Bosch fault codes.
| Code | What is going on | Part type |
|---|---|---|
| 2P564 | Temperature sensor temperature rising too fast (> 70 K/min). | Sensors |
| 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 |
| 214 V | Fan switched off during safety time | Fans |
For guidance only: the same code can have a different cause depending on the situation.
Other Bosch boilers
- Bosch Compact HRC 24 89
- Bosch Compact HRC 28 89
- Bosch Compact HRC 30 90
- Bosch Condens 3000W (ZWB28-3C) 129
- Bosch Condens 3000W (ZWB29-3C) 131
- Bosch Condens 6000W (30HRC SHU) 132
- Bosch Condens 6000W (30HRCII HRVS75) 131
- Bosch Condens 6000W SP400 38
- Bosch Condens 7000 FP 350 62
- Bosch Condens 7000F (GC7000F 100 23 (R)) 102
- Bosch Condens 7000F (GC7000F 150 23 (R)) 119
- Bosch Condens 7000F (GC7000F 200 23 (R)) 129
Frequently asked questions
Which parts are available for the Bosch HRS 42 TOP?
The catalogue lists 68 original parts for the Bosch HRS 42 TOP, including fans, sensors, heat exchangers, PCBs and controls. All parts are listed above, grouped by type, with part number and price.
How much does a fan for the Bosch HRS 42 TOP cost?
The fans for this model cost €588.53 incl. VAT. Check the table "Fans" above for the right part number.
Are the parts for the Bosch HRS 42 TOP in stock?
16 of the 68 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 HRS 42 TOP?
Search for the part by part number or use the parts list of the Bosch HRS 42 TOP.
Are these original Bosch parts?
Yes. All 68 parts in this list are original manufacturer parts for the Bosch HRS 42 TOP, delivered with the correct part number.
How much do parts for the Bosch HRS 42 TOP cost?
Parts for the Bosch HRS 42 TOP range from €8.47 to €1,052.86 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.