Radson (Bosch) Noxtronic HRC25 spare parts
In brief
Instalpunt supplies 23 original parts for the Radson (Bosch) Noxtronic HRC25, including temperature sensors and NTC sensors, pressure switches and differential pressure switches, ignition and ionisation. Order online.
- 23Spare parts
- 3In stock
- €10.45From
- 12Types
Looking for parts for the Radson (Bosch) Noxtronic HRC25 (boiler)? Below are all 23 original parts, grouped by part type. Choose a type to jump straight to the right table.
- Temperature sensors and NTC sensors 1
- Pressure switches and differential pressure switches 1
- Ignition and ionisation 1
- Thermostats and controls 1
- Burners 1
- Valves 2
- Pressure gauges 1
- Gaskets and seals 6
- Pipes, tubes and hoses 3
- Casing and panels 1
- Insulation 1
- Fixing material 1
- Other parts 3
Temperature sensors and NTC sensors for the Radson (Bosch) Noxtronic HRC25 (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch thermometer sensor short | 8124105 Mfr. no. 87229661800 | €59.95 | Made-to-order item | View & order |
Pressure switches and differential pressure switches for the Radson (Bosch) Noxtronic HRC25 (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch air pressure switch (purple) | 8124355 Mfr. no. 87229663300 | €101.95 | Made-to-order item | View & order |
Ignition and ionisation for the Radson (Bosch) Noxtronic HRC25 (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch ignition electrode for e.g. ER Electronic GR 87229665910 | 8124530 Mfr. no. 87229665910 | €58.95 | In stock | View & order |
Thermostats and controls for the Radson (Bosch) Noxtronic HRC25 (1) all Radson (Bosch) thermostats and controls →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch Radson maximum thermostat 100 C 87229665440 | 8124495 Mfr. no. 87229665440 | €89.95 | Made-to-order item | View & order |
Burners for the Radson (Bosch) Noxtronic HRC25 (1) all Radson (Bosch) burners →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch burner metal serv. before 1995 | 8124366 Mfr. no. 87228665760 | €523.95 | Made-to-order item | View & order |
Valves for the Radson (Bosch) Noxtronic HRC25 (2) all Radson (Bosch) valves →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch safety relief valve 3/4" | 8123955 Mfr. no. 87229661060 | €93.95 | Made-to-order item | View & order |
| Bosch fill/drain valve for e.g. EHR NL 87229009170 | 8120510 Mfr. no. 87229009170 | €83.95 | Made-to-order item | View & order |
Pressure gauges for the Radson (Bosch) Noxtronic HRC25 (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch pressure gauge + capillary set | 8121887 Mfr. no. 87229160200 | €58.95 | Made-to-order item | View & order |
Gaskets and seals for the Radson (Bosch) Noxtronic HRC25 (6) all Radson (Bosch) gaskets and seals →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch sleeve electrode "R" 10 pcs | 8122696 Mfr. no. 87229333660 | €25.95 | Made-to-order item | View & order |
| Bosch gasket electrical graphite 10 pcs | 8123225 Mfr. no. 87229611870 | €57.95 | Made-to-order item | View & order |
| Bosch gas gasket 33x24x4 10 pcs | 8126911 Mfr. no. 87229861130 | €25.95 | Made-to-order item | View & order |
| Bosch gasket inspection hatch 10 pcs | 8126906 Mfr. no. 87229661500 | €58.95 | Made-to-order item | View & order |
| Bosch gasket flow cap DHW | 8123170 Mfr. no. 87229611190 | €92.95 | Made-to-order item | View & order |
| Bosch gasket sight glass holder 10 pcs | 8120720 Mfr. no. 87229049010 | €31.95 | Made-to-order item | View & order |
Pipes, tubes and hoses for the Radson (Bosch) Noxtronic HRC25 (3) all Radson (Bosch) pipes, tubes and hoses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch immersion tube d=6.5 mm | 8124059 Mfr. no. 87229661490 | €31.95 | Made-to-order item | View & order |
| Bosch silicone hose d=12 x 6 mm | 8120145 Mfr. no. 87229149870 | €57.95 | Made-to-order item | View & order |
| Bosch T-piece nylon blue 10 pcs | 8122415 Mfr. no. 87229229480 | €48.95 | Made-to-order item | View & order |
Casing and panels for the Radson (Bosch) Noxtronic HRC25 (1) all Radson (Bosch) casing and panels →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch inspection opening cover | 8126570 Mfr. no. 87229661300 | €31.95 | Made-to-order item | View & order |
Insulation for the Radson (Bosch) Noxtronic HRC25 (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch insulation right ERN | 8123197 Mfr. no. 87229611710 | €21.95 | Made-to-order item | View & order |
Fixing material for the Radson (Bosch) Noxtronic HRC25 (1) all Radson (Bosch) fixing material →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch pump ring R 44x32x3 10 pcs | 8122920 Mfr. no. 87229359120 | €18.95 | In stock | View & order |
Other parts for the Radson (Bosch) Noxtronic HRC25 (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Bosch sight glass set | 8126090 Mfr. no. 87290001760 | €33.95 | In stock | View & order |
| Bosch capillary pressure gauge | 8122000 Mfr. no. 87229165800 | €47.95 | Made-to-order item | View & order |
| Bosch plexi sight glass | 8121935 Mfr. no. 87229165120 | €29.95 | Made-to-order item | View & order |
Fault code on your Radson (Bosch) Noxtronic HRC25? This is the part type involved
Common Radson (Bosch) fault codes and the part type that is usually the cause; the parts for this model are listed above. All codes explained: Radson (Bosch) fault codes.
| Code | What is going on | Part type |
|---|---|---|
| 2 | No flame formation during ignition phase | Ignition and ionisation |
| A4 | The flue gas safety device has been activated and the burner stops 1 min 30 after start-up. | Burners |
| EA | The burner does not ignite. | Burners |
| F7 | Incorrect ionisation signal. | Ignition and ionisation |
For guidance only: the same code can have a different cause depending on the situation.
Other Radson (Bosch) boilers
- Radson (Bosch) EHLE 17 62
- Radson (Bosch) EHLE 23 62
- Radson (Bosch) EHLE 27 65
- Radson (Bosch) EHLE 34 66
- Radson (Bosch) EHLE 39(78) 67
- Radson (Bosch) EHRE-Series Electronic NL 22
- Radson (Bosch) EHR NL 24
- Radson (Bosch) EHR700NL 22
- Radson (Bosch) EHR900NL 22
- Radson (Bosch) ER Electronic GR 29
- Radson (Bosch) ER Pilot flame GR 30
- Radson (Bosch) Matador-E 4
Frequently asked questions
Which parts are available for the Radson (Bosch) Noxtronic HRC25?
The catalogue lists 23 original parts for the Radson (Bosch) Noxtronic HRC25, including temperature sensors and NTC sensors, pressure switches and differential pressure switches, ignition and ionisation, thermostats and controls. All parts are listed above, grouped by type, with part number and price.
How much does a temperature sensor for the Radson (Bosch) Noxtronic HRC25 cost?
The temperature sensors and NTC sensors for this model cost €57.50 incl. VAT. Check the table "Temperature sensors and NTC sensors" above for the right part number.
Are the parts for the Radson (Bosch) Noxtronic HRC25 in stock?
3 of the 23 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 Radson (Bosch) Noxtronic HRC25?
Search for the part by part number or use the parts list of the Radson (Bosch) Noxtronic HRC25.
Are these original Radson (Bosch) parts?
Yes. All 23 parts in this list are original manufacturer parts for the Radson (Bosch) Noxtronic HRC25, supplied through the official technical wholesale channel and with the correct part number.
How much do parts for the Radson (Bosch) Noxtronic HRC25 cost?
Parts for the Radson (Bosch) Noxtronic HRC25 range from €10.45 to €456.07 incl. VAT. The exact price of each part is shown in the tables above.
Can I return a part?
You have a 14-day right of withdrawal. Return unused parts, in their original packaging where possible; details are in our returns conditions.