Nefit TrendLine (II) parts
Original parts for the Nefit TrendLine (II) series: 6 models, 192 different parts, 93 of them in stock. Below you will find the most frequently replaced parts by type first; choose your exact model for the complete list with exploded view.
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In brief
Instalpunt supplies 192 original parts for the Nefit TrendLine (II) (TrendLine HRC25 CW4, TrendLine HRC30 CW5, TrendLine II HRC25 CW4 II, TrendLine II HRC25 CW6 II and 2 andere models), with Nefit manufacturer part number and price van €7.45 to €1,721.17. 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).
- 7 November 2026Price level
Other Nefit series: Nefit ProLine (NxT)Nefit EcomLineNefit TopLine
Choose your Nefit TrendLine (II) model
- Nefit TrendLine HRC25 CW4122 parts · exploded view
- Nefit TrendLine HRC30 CW5123 parts · exploded view
- Nefit TrendLine II HRC25 CW4 II124 parts · exploded view
- Nefit TrendLine II HRC25 CW6 II162 parts · exploded view
- Nefit TrendLine II HRC30 CW5 II120 parts · exploded view
- Nefit TrendLine II HRC30 CW6 II162 parts · exploded view
Quick left to the right part
| Part | From | Delivery |
|---|---|---|
| Fan Nefit fan for ProLine and TrendLine | €266.11 | 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). |
| Ignition part Nefit ignition cable for Trendline II | €23.52 | 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). |
| Pressure sensor Nefit pressure sensor for TrendLine | €24.59 | 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). |
| Flow sensor Nefit flow sensor for TrendLine and ProLine etc. | €21.37 | 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). |
| Temperature sensor Nefit temperature sensor for Trendline II | €11.74 | 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). |
| Pump Nefit pump askoll for TrendLine | €232.91 | 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). |
| Heat exchanger Nefit plate heat exchanger for e.g. TrendLine HRC25 CW4 7746900466 | €135.97 | 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). |
| Burner control unit Nefit burner control unit TrendLine | €418.74 | 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, straight from the checkout. Choose your exact model below for the complete list.
Most frequently replaced parts
- Fans 2
- Sensors 3
- Temperature sensors and NTC sensors 1
- Pressure sensors 2
- Flow sensors and flow switches 2
- Pumps 2
- Heat exchangers 4
- Gas valves and gas control 3
- Burner control units 2
- Diverter valves and hydroblocks 5
- Ignition and ionisation 2
- Siphons and condensate drains 4
- Burners 1
- Filters 2
- Maintenance and service kits 1
- Valves 8
- Electrical parts 8
- Conversion kits 2
- Tap parts 1
- Cables and wiring harnesses 4
- Gaskets and seals 28
- Pipes, tubes and hoses 27
- Casing and panels 6
- Insulation 1
- Fixing material 42
- Other parts 29
Fans for the Nefit TrendLine (II) (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit fan for ProLine and TrendLine fits 6 models | 8028878 Mfr. no. 7746900446 | €266.11 | In stock | View |
| Rewind refurbished fan for Bosch Proline/Trendline (7746900446) fits 6 models | 8930170 | €242.02 | Made-to-order item | View |
Sensors for the Nefit TrendLine (II) (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit flow / return sensor for ProLine and TrendLine fits 6 models | 8028906 Mfr. no. 8718600249 | €14.94 | In stock | View |
| Nefit temperature sensor for TrendLine fits 2 models | 8029420 Mfr. no. 8718600829 | €86.71 | In stock | View |
| Nefit tank sensor for Trendline II fits 2 models | 8029790 Mfr. no. 87167653110 | €127.40 | In stock | View |
Temperature sensors and NTC sensors for the Nefit TrendLine (II) (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit temperature sensor for Trendline II fits 4 models | 8029738 Mfr. no. 7736700585 | €11.74 | In stock | View |
Pressure sensors for the Nefit TrendLine (II) (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit pressure sensor for TrendLine fits 4 models | 8029754 Mfr. no. 7736700588 | €24.59 | In stock | View |
| Nefit pressure sensor with click connection for TopLine and ProLine etc. fits 2 models | 8026706 Mfr. no. 8718600019 | €62.08 | In stock | View |
Flow sensors and flow switches for the Nefit TrendLine (II) (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit flow sensor for TrendLine and ProLine etc. fits 4 models | 8027721 Mfr. no. 8738902350 | €21.37 | In stock | View |
| Nefit flow sensor for TrendLine and TopLine fits 2 models | 8027653 Mfr. no. 8738901168 | €51.36 | Made-to-order item | View |
Pumps for the Nefit TrendLine (II) (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit pump askoll for TrendLine fits 6 models | 8029421 Mfr. no. 8738900494 | €232.91 | In stock | View |
| Nefit DHW pump for Trendline II fits 2 models | 8029797 Mfr. no. 87167631690 | €289.14 | In stock | View |
Heat exchangers for the Nefit TrendLine (II) (4)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit exchanger for Trendline II fits 6 models | 8029182 Mfr. no. 7736700575 | €522.64 | In stock | View |
| Nefit plate heat exchanger for 30kW fits 4 models | 8029310 Mfr. no. 8718600351 | €141.34 | In stock | View |
| Nefit plate heat exchanger for e.g. TrendLine HRC25 CW4 7746900466 fits 2 models | 8028898 Mfr. no. 7746900466 | €135.97 | In stock | View |
| Nefit heat exchanger bracket for TrendLine fits 3 models | 8029392 Mfr. no. 8718600761 | €35.29 | Made-to-order item | View |
Gas valves and gas control for the Nefit TrendLine (II) (3)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit venturi for TopLine and TrendLine etc. fits 6 models | 8026835 Mfr. no. 7099925 | €40.66 | In stock | View |
| Nefit gas control valve for e.g. TrendLine HRC25 CW4 8718600818 fits 6 models | 8029360 Mfr. no. 8718600818 | €136.51 | In stock | View |
| Nefit gas injector fits 6 models | 8029357 Mfr. no. 8718600814 | €38.51 | In stock | View |
Burner control units for the Nefit TrendLine (II) (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit burner control unit TrendLine fits 6 models | 8030390 Mfr. no. 8738901423 | €418.74 | In stock | View |
| Nefit burner control unit bracket set for TrendLine fits 6 models | 8029402 Mfr. no. 8718600793 | €33.16 | Made-to-order item | View |
Diverter valves and hydroblocks for the Nefit TrendLine (II) (5)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit three-way valve from December 2011 for TopLine and TrendLine etc. fits 6 models | 8029263 Mfr. no. 8718600694 | €86.71 | In stock | View |
| Nefit hydroblock flow for Trendline II fits 4 models | 8029779 Mfr. no. 7736700581 | €98.48 | In stock | View |
| Nefit hydroblock flow single for ProLine and TrendLine fits 2 models | 8028893 Mfr. no. 7746900461 | €128.48 | In stock | View |
| Nefit return connection block fits 2 models | 8028899 Mfr. no. 7746900467 | €162.76 | In stock | View |
| Nefit return connection block for TrendLine II fits 4 models | 8029795 Mfr. no. 7736700583 | €163.82 | Made-to-order item | View |
Ignition and ionisation for the Nefit TrendLine (II) (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit ignition unit for TrendLine fits 6 models | 8029393 Mfr. no. 8718600762 | €43.86 | In stock | View |
| Nefit ignition cable for Trendline II fits 6 models | 8029181 Mfr. no. 7736700095 | €23.52 | In stock | View |
Siphons and condensate drains for the Nefit TrendLine (II) (4)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit condensate tray gasket for TrendLine fits 6 models | 8029373 Mfr. no. 8718600755 | €19.22 | In stock | View |
| Nefit siphon set for TrendLine fits 6 models | 8029377 Mfr. no. 8718600744 | €23.52 | In stock | View |
| Nefit condensate tray for Trendline II fits 4 models | 8029789 Mfr. no. 7736700566 | €123.12 | In stock | View |
| Nefit condensate tray for TrendLine fits 2 models | 8029388 Mfr. no. 8718600745 | €50.29 | In stock | View |
Burners for the Nefit TrendLine (II) (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit burner set for TrendLine fits 6 models | 8029397 Mfr. no. 8718600775 | €104.92 | In stock | View |
Filters for the Nefit TrendLine (II) (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit filter for e.g. ProLine NxT HRC 24 CW4 7746900465 fits 6 models | 8028897 Mfr. no. 7746900465 | €26.72 | In stock | View |
| Nefit filter for e.g. TrendLine HRC25 CW4 7746900085 fits 4 models | 8026801 Mfr. no. 7746900085 | €35.29 | Made-to-order item | View |
Maintenance and service kits for the Nefit TrendLine (II) (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit gasket set E Trendline HRC I/II fits 6 models | 81901151 Mfr. no. 8738901298 | €65.28 | In stock | View |
Valves for the Nefit TrendLine (II) (8)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit automatic air vent fits 6 models | 8026707 Mfr. no. 7101428 | €27.80 | In stock | View |
| Nefit non-return valve set for TrendLine fits 6 models | 8029354 Mfr. no. 8718600806 | €49.22 | In stock | View |
| Nefit flow limiter set consisting of: 1x CW3 beige and 1x CW4 orange fits 4 models | 8028901 Mfr. no. 7746900469 | €42.79 | In stock | View |
| Nefit fill/drain cock fits 2 models | 8022855 Mfr. no. 7098282 | €43.86 | In stock | View |
| Nefit drain pipe for Trendline II fits 2 models | 8029792 Mfr. no. 87167651210 | €143.47 | Made-to-order item | View |
| Nefit flow limiter 15l/min for Trendline II fits 2 models | 8029748 Mfr. no. 8738900305 | €44.94 | Made-to-order item | View |
| Nefit check valve for e.g. TrendLine II HRC30 CW6 II 87185050200 fits 2 models | 8020857 Mfr. no. 87185050200 | €36.37 | Made-to-order item | View |
| Nefit non-return valve for Trendline II fits 2 models | 8029764 Mfr. no. 8738900306 | €58.86 | Made-to-order item | View |
Electrical parts for the Nefit TrendLine (II) (8)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit ignition transformer for TrendLine fits 6 models | 8029403 Mfr. no. 7736700599 | €52.43 | In stock | View |
| Nefit terminal connector blue fits 6 models | 8027316 Mfr. no. 73775 | €28.87 | In stock | View |
| Nefit connection terminal green fits 6 models | 8027314 Mfr. no. 73773 | €28.87 | In stock | View |
| Nefit fuse 5 AF/230V 10 pcs old number: 7099473 for TopLine and TrendLine etc. fits 4 models | 8026767 Mfr. no. 8718601966 | €43.86 | In stock | View |
| Nefit connection terminal orange fits 6 models | 8027318 Mfr. no. 73777 | €36.37 | Made-to-order item | View |
| Nefit terminal connector grey fits 6 models | 8027315 Mfr. no. 73774 | €36.37 | Made-to-order item | View |
| Nefit terminal connector red fits 6 models | 8027317 Mfr. no. 73776 | €36.37 | Made-to-order item | View |
| Nefit fuse 2,5AT for Proline 10 pcs fits 2 models | 8029221 Mfr. no. 8718601964 | €114.55 | Made-to-order item | View |
Conversion kits for the Nefit TrendLine (II) (2)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit conversion kit Trendline II fits 4 models | 8029177 Mfr. no. 7736700934 | €62.08 | In stock | View |
| Nefit gas conversion kit 3P/G31 for TrendLine fits 2 models | 8029187 Mfr. no. 8738900637 | €107.05 | Made-to-order item | View |
Tap parts for the Nefit TrendLine (II) (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit aerator for Trendline II fits 2 models | 8029193 Mfr. no. 87174052850 | €56.71 | Made-to-order item | View |
Cables and wiring harnesses for the Nefit TrendLine (II) (4)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit wiring harness 24v for Trendline II fits 6 models | 8029787 Mfr. no. 7736700595 | €109.20 | In stock | View |
| Nefit wiring harness 230V for TrendLine fits 6 models | 8029406 Mfr. no. 8718600798 | €70.64 | Made-to-order item | View |
| Nefit wiring harness for Trendline fits 2 models | 8029782 Mfr. no. 87167652820 | €117.77 | Made-to-order item | View |
| Nefit pump cable for Trendline II fits 2 models | 8029774 Mfr. no. 87167652830 | €101.70 | Made-to-order item | View |
Gaskets and seals for the Nefit TrendLine (II) (28)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit gasket set 2x 2 pcs for TrendLine and ProLine fits 6 models | 8028896 Mfr. no. 7746900464 | €27.80 | In stock | View |
| Nefit burner seal for TrendLine fits 6 models | 8029396 Mfr. no. 8718600774 | €54.58 | In stock | View |
| Nefit lip ring DN80 fits 6 models | 8026750 Mfr. no. 8738901447 | €11.74 | In stock | View |
| Nefit O-ring 9.92 x 2.62 mm 10 pcs fits 6 models | 8027376 Mfr. no. 7101646 | €27.80 | In stock | View |
| Nefit O-ring set three-way valve 8718600261 for TopLine and TrendLine etc. fits 6 models | 8027456 Mfr. no. 7746900280 | €42.79 | In stock | View |
| Nefit O-ring 17 x 4 mm 5 pcs fits 6 models | 8028900 Mfr. no. 7746900468 | €27.80 | In stock | View |
| Nefit sealing ring 24 x 16 x 2 mm 5 pcs fits 6 models | 8028904 Mfr. no. 7746900472 | €36.37 | In stock | View |
| Nefit lip seal 50 mm 5 pcs fits 6 models | 8029024 Mfr. no. 7099058 | €42.79 | In stock | View |
20 more gaskets and seals for the Nefit TrendLine (II): choose your exact model above for the complete list, or view all Nefit gaskets and seals.
Pipes, tubes and hoses for the Nefit TrendLine (II) (27)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit adapter 80-80 mm concentric fits 6 models | 8028867 Mfr. no. 7746900434 | €84.56 | In stock | View |
| Nefit gas hose for e.g. TrendLine HRC25 CW4 8718600813 fits 6 models | 8029356 Mfr. no. 8718600813 | €35.29 | In stock | View |
| Nefit flexible hose for e.g. TrendLine II HRC30 CW6 II 7736700567 fits 4 models | 8021016 Mfr. no. 7736700567 | €36.37 | In stock | View |
| Bosch internal flue S-bend fits 4 models | 80200505 Mfr. no. 7736702210 | €43.86 | In stock | View |
| Nefit adapter set for Trendline II fits 3 models | 8029763 Mfr. no. 8718600763 | €46.01 | In stock | View |
| Nefit flexible hose for e.g. TrendLine HRC25 CW4 8718600751 fits 2 models | 8029379 Mfr. no. 8718600751 | €23.52 | In stock | View |
| Nefit flue pipe set S-bend incl. lip seal fits 2 models | 8029367 Mfr. no. 8718600747 | €58.86 | In stock | View |
| Nefit flue pipe set incl. gaskets for TrendLine fits 2 models | 8029371 Mfr. no. 8718600746 | €116.70 | In stock | View |
19 more pipes, tubes and hoses for the Nefit TrendLine (II): choose your exact model above for the complete list, or view all Nefit pipes, tubes and hoses.
Casing and panels for the Nefit TrendLine (II) (6)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit casing for Trendline II fits 6 models | 8029796 Mfr. no. 7736700562 | €263.44 | In stock | View |
| Nefit base plate for TrendLine II fits 6 models | 8029767 Mfr. no. 7736700564 | €66.36 | Made-to-order item | View |
| Nefit cover electrical connections CUS fits 6 models | 8029413 Mfr. no. 8718600816 | €47.08 | Made-to-order item | View |
| Nefit casing insulation for TrendLine II fits 6 models | 8029772 Mfr. no. 7736700563 | €97.42 | Made-to-order item | View |
| Nefit cover plate Trendline for Aquapower fits 2 models | 8029178 Mfr. no. 87167652910 | €247.37 | Made-to-order item | View |
| Nefit cover for Trendline II fits 2 models | 8029793 Mfr. no. 87167653080 | €156.32 | Made-to-order item | View |
Insulation for the Nefit TrendLine (II) (1)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit plate heat exchanger insulation for Trendline II fits 6 models | 8029745 Mfr. no. 7736700579 | €23.52 | In stock | View |
Fixing material for the Nefit TrendLine (II) (42)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit air vent clip old number: 73973 fits 6 models | 8026756 Mfr. no. 7101430 | €18.16 | In stock | View |
| Nefit clamping spring 2 pcs fits 6 models | 8028902 Mfr. no. 7746900470 | €27.80 | In stock | View |
| Nefit clamping bracket 2 pcs for e.g. ProLine NxT HRC 24 CW4 7746900475 fits 6 models | 8028907 Mfr. no. 7746900475 | €27.80 | In stock | View |
| Nefit threaded stud short fits 6 models | 8029399 Mfr. no. 8718600777 | €23.52 | In stock | View |
| Nefit nut for Trendline II fits 6 models | 8029736 Mfr. no. 8718601952 | €11.74 | In stock | View |
| Nefit clamp for Trendline II fits 6 models | 8029743 Mfr. no. 8718600281 | €21.37 | In stock | View |
| Nefit bracket for e.g. TrendLine HRC25 CW4 8718600738 fits 6 models | 8029386 Mfr. no. 8718600738 | €21.37 | In stock | View |
| Nefit mounting bracket fits 4 models | 8028859 Mfr. no. 7746900426 | €65.28 | In stock | View |
34 more fixing material for the Nefit TrendLine (II): choose your exact model above for the complete list, or view all Nefit fixing material.
Other parts for the Nefit TrendLine (II) (29)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Nefit test nipple cap 2 pcs fits 6 models | 8028916 Mfr. no. 7746900487 | €51.36 | In stock | View |
| Nefit compression spring nut fits 6 models | 8029400 Mfr. no. 8718600778 | €58.86 | In stock | View |
| Nefit compression spring nut long fits 6 models | 8029488 Mfr. no. 8718600781 | €27.80 | In stock | View |
| Nefit key pin fits 6 models | 8029489 Mfr. no. 8718600779 | €18.16 | In stock | View |
| Nefit temperature limiter for e.g. TrendLine HRC25 CW4 7736700076 fits 6 models | 8029491 Mfr. no. 7736700076 | €22.44 | In stock | View |
| Nefit venturi sealing rings 5 pcs for TopLine and TrendLine etc. fits 6 models | 8029542 Mfr. no. 7099021 | €36.37 | In stock | View |
| Nefit threaded stud long for Trendline II fits 6 models | 8029755 Mfr. no. 8718600780 | €39.58 | In stock | View |
| Nefit inspection opening fits 4 models | 8020958 Mfr. no. 7736700568 | €11.74 | In stock | View |
21 more other parts for the Nefit TrendLine (II): choose your exact model above for the complete list.
Fault code on your Nefit TrendLine (II)?
Look up the fault code in our Nefit fault code-database: for each code you see the cause and the part that usually needs replacing.
Nefit TrendLine (II) 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.
Frequently asked questions
Which parts are replaced most often on a Nefit TrendLine (II)?
In the parts lists of the 6 Nefit TrendLine (II) models, fans, sensors, temperature sensors and ntc-sensors appear most often. In the event of a fault, the ignition electrode, fan, pump, diverter valve and sensors are the usual suspects; the appliance’s fault code usually points to the part.
How much does a fan for the Nefit TrendLine (II) cost?
At Instalpunt a new, original fan for the Nefit TrendLine (II) costs from €266.11 incl. VAT (Nefit fan for 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). The version that fits your appliance is shown in the parts list of your exact model.
How much does an ignition part for the Nefit TrendLine (II) cost?
At Instalpunt a new, original ignition part for the Nefit TrendLine (II) costs from €23.52 incl. VAT (Nefit ontsteekkabel for 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). The version that fits your appliance is shown in the parts list of your exact model.
How much does a pressure sensor for the Nefit TrendLine (II) cost?
At Instalpunt a new, original pressure sensor for the Nefit TrendLine (II) costs from €24.59 incl. VAT (Nefit pressure sensor for 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). The version that fits your appliance is shown in the parts list of your exact model.
How do I know which Nefit TrendLine (II) model I have?
Check the rating plate on the underside or inside of the casing: it shows the exact type (for example Nefit TrendLine HRC25 CW4) and the serial number. Then choose your model above for the complete parts list. Not sure which model you have? Contact the manufacturer.
Are these original Nefit parts?
Yes. All parts are genuine manufacturer parts and are listed under the Nefit manufacturer part number in the appliance’s parts list. Items in stock are shipped the same working day if ordered before 14:00 (delivery to EU countries usually 3–5 working days); parts to order have the stated lead time.