EU delivery from € 12.95 Stock items ordered before 14:00, dispatched the same working day Delivery across the EU WebwinkelKeur 9,0/10 Pay securely by card & Klarna
★★★★★9,0/1023 reviews · verified by WebwinkelKeurAll reviews →

Radson (Bosch) Nox HRC25 spare parts

In brief

Instalpunt supplies 26 original parts for the Radson (Bosch) Nox HRC25, including fans, temperature sensors and NTC sensors, ignition and ionisation. Order online.

  • 26Spare parts
  • 4In stock
  • €8.50From
  • 11Types

Looking for parts for the Radson (Bosch) Nox HRC25 (boiler)? Below are all 26 original parts, grouped by part type. Choose a type to jump straight to the right table.

Fans for the Radson (Bosch) Nox HRC25 (1)

PartItem no. / mfr. no.PriceStock
Rewind refurbished fan Nox HRC (87229872090)8930094€237.95Made-to-order itemView & order

Temperature sensors and NTC sensors for the Radson (Bosch) Nox HRC25 (1)

PartItem no. / mfr. no.PriceStock
Bosch thermometer sensor short8124105
Mfr. no. 87229661800
€59.95Made-to-order itemView & order

Ignition and ionisation for the Radson (Bosch) Nox HRC25 (1)

PartItem no. / mfr. no.PriceStock
Bosch ignition electrode for e.g. ER Electronic GR 872296659108124530
Mfr. no. 87229665910
€58.95In stockView & order

Thermostats and controls for the Radson (Bosch) Nox HRC25 (1) all Radson (Bosch) thermostats and controls →

PartItem no. / mfr. no.PriceStock
Bosch Radson maximum thermostat 100 C 872296654408124495
Mfr. no. 87229665440
€89.95Made-to-order itemView & order

Burners for the Radson (Bosch) Nox HRC25 (1) all Radson (Bosch) burners →

PartItem no. / mfr. no.PriceStock
Bosch burner Twin/Nit with gasket 872297065508126670
Mfr. no. 87229706550
€345.95Made-to-order itemView & order

Valves for the Radson (Bosch) Nox HRC25 (1) all Radson (Bosch) valves →

PartItem no. / mfr. no.PriceStock
Bosch fill/drain valve for e.g. EHR NL 872290091708120510
Mfr. no. 87229009170
€83.95Made-to-order itemView & order

Pressure gauges for the Radson (Bosch) Nox HRC25 (1)

PartItem no. / mfr. no.PriceStock
Bosch pressure gauge + capillary set8121887
Mfr. no. 87229160200
€58.95Made-to-order itemView & order

Gaskets and seals for the Radson (Bosch) Nox HRC25 (6) all Radson (Bosch) gaskets and seals →

PartItem no. / mfr. no.PriceStock
Nefit flue sleeve8122625
Mfr. no. 87229333300
€10.95In stockView & order
Bosch sleeve electrode "R" 10 pcs8122696
Mfr. no. 87229333660
€25.95Made-to-order itemView & order
Bosch gas gasket 33x24x4 10 pcs8126911
Mfr. no. 87229861130
€25.95Made-to-order itemView & order
Bosch gasket inspection hatch 10 pcs8126906
Mfr. no. 87229661500
€58.95Made-to-order itemView & order
Bosch gasket flow cap DHW8123170
Mfr. no. 87229611190
€92.95Made-to-order itemView & order
Bosch gasket sight glass holder 10 pcs8120720
Mfr. no. 87229049010
€31.95Made-to-order itemView & order

Pipes, tubes and hoses for the Radson (Bosch) Nox HRC25 (8) all Radson (Bosch) pipes, tubes and hoses →

PartItem no. / mfr. no.PriceStock
Bosch immersion tube for e.g. EHR NL 872290510308120820
Mfr. no. 87229051030
€31.95Made-to-order itemView & order
Bosch immersion tube d=6.5 mm8124059
Mfr. no. 87229661490
€31.95Made-to-order itemView & order
Bosch flue adapter8126885
Mfr. no. 87229662330
€264.95Made-to-order itemView & order
Bosch silicone hose d=12 x 6 mm8120145
Mfr. no. 87229149870
€57.95Made-to-order itemView & order
Bosch T-piece nylon blue 10 pcs8122415
Mfr. no. 87229229480
€48.95Made-to-order itemView & order
Bosch flexible hose 21 x 25 mm8126530
Mfr. no. 87229663360
€25.95Made-to-order itemView & order
Bosch PP bend 80 mm NOX HR8126850
Mfr. no. 87229662360
€125.95Made-to-order itemView & order
Bosch return pipe pump/NOX8120070
Mfr. no. 87221660280
€148.95Made-to-order itemView & order

Insulation for the Radson (Bosch) Nox HRC25 (1)

PartItem no. / mfr. no.PriceStock
Bosch insulation right ERN8123197
Mfr. no. 87229611710
€21.95Made-to-order itemView & order

Fixing material for the Radson (Bosch) Nox HRC25 (1) all Radson (Bosch) fixing material →

PartItem no. / mfr. no.PriceStock
Bosch pump ring R 44x32x3 10 pcs8122920
Mfr. no. 87229359120
€18.95In stockView & order

Other parts for the Radson (Bosch) Nox HRC25 (3)

PartItem no. / mfr. no.PriceStock
Bosch sight glass set8126090
Mfr. no. 87290001760
€33.95In stockView & order
Bosch capillary pressure gauge8122000
Mfr. no. 87229165800
€47.95Made-to-order itemView & order
Bosch click connection (male)8121890
Mfr. no. 87229165010
€21.95Made-to-order itemView & order

Fault code on your Radson (Bosch) Nox 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.

CodeWhat is going onPart type
2No flame formation during ignition phaseIgnition and ionisation
5Fan not running / no tacho signalFans
A4The flue gas safety device has been activated and the burner stops 1 min 30 after start-up.Burners
EAThe burner does not ignite.Burners
F7Incorrect ionisation signal.Ignition and ionisation

For guidance only: the same code can have a different cause depending on the situation.

Other Radson (Bosch) boilers

← All Radson (Bosch) parts

Frequently asked questions

Which parts are available for the Radson (Bosch) Nox HRC25?

The catalogue lists 26 original parts for the Radson (Bosch) Nox HRC25, including fans, temperature sensors and NTC sensors, ignition and ionisation, thermostats and controls. All parts are listed above, grouped by type, with part number and price.

How much does a fan for the Radson (Bosch) Nox HRC25 cost?

The fans for this model cost €359.37 incl. VAT. Check the table "Fans" above for the right part number.

Are the parts for the Radson (Bosch) Nox HRC25 in stock?

4 of the 26 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) Nox HRC25?

Search for the part by part number or use the parts list of the Radson (Bosch) Nox HRC25.

Are these original Radson (Bosch) parts?

Yes. All 26 parts in this list are original manufacturer parts for the Radson (Bosch) Nox HRC25, supplied through the official technical wholesale channel and with the correct part number.

How much do parts for the Radson (Bosch) Nox HRC25 cost?

Parts for the Radson (Bosch) Nox HRC25 range from €8.50 to €445.62 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.
Scroll to Top