Vaillant Combi boiler VCW 254/2 XE spare parts
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Instalpunt supplies 97 original parts for the Vaillant Combi boiler VCW 254/2 XE, including sensors, temperature sensors and NTC sensors, pressure switches and differential pressure switches. Order online.
- 97Spare parts
- 20In stock
- €6.36From
- 18Types
- availableExploded view
Looking for parts for the Vaillant Combi boiler VCW 254/2 XE (boiler)? Below are all 97 original parts, grouped by part type, with the matching exploded view. Choose a type to jump straight to the right table.
View the interactive exploded view →Quick left to the right part for the Vaillant Combi boiler VCW 254/2 XE
| Part | From | Delivery |
|---|---|---|
| Ignition part Vaillant monitoring electrode VC/W184-244XE185-245E254XE/2/3 | €29.11 | 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). |
| Temperature sensor Vaillant NTC sensor VC/W T3110-282VU/WVHR | €52.87 | 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 Vaillant high-efficiency pump excl. pump cable for e.g. boiler VC 254/2 XE 0010032791 | €325.03 | 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.
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- Sensors 2
- Temperature sensors and NTC sensors 1
- Pressure switches and differential pressure switches 1
- Pumps 1
- Heat exchangers 1
- Gas valves and gas control 1
- PCBs and controls 1
- Ignition and ionisation 2
- Burners 2
- Displays and controls 3
- Valves 4
- Pressure gauges 1
- Electrical parts 3
- Cables and wiring harnesses 4
- Gaskets and seals 21
- Pipes, tubes and hoses 14
- Casing and panels 2
- Fixing material 20
- Other parts 13
Sensors for the Vaillant Combi boiler VCW 254/2 XE (2) all Vaillant sensors →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant safety switch VC/W254-255E | 8054560 Mfr. no. 100376 | €49.63 | Made-to-order item | View & order |
| Vaillant temperature limiter VC/W254/3 | 8056336 Mfr. no. 253537 | €92.83 | Made-to-order item | View & order |
Temperature sensors and NTC sensors for the Vaillant Combi boiler VCW 254/2 XE (1) all Vaillant temperature sensors and NTC sensors →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant NTC sensor VC/W T3110-282VU/WVHR | 8052090 Mfr. no. 252805 | €52.87 | In stock | View & order |
Pressure switches and differential pressure switches for the Vaillant Combi boiler VCW 254/2 XE (1) all Vaillant pressure switches and differential pressure switches →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant differential pressure switch gas section VC/W T3110-282E | 8051700 Mfr. no. 151017 | €63.67 | Made-to-order item | View & order |
Pumps for the Vaillant Combi boiler VCW 254/2 XE (1) all Vaillant pumps →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant high-efficiency pump excl. pump cable for e.g. boiler VC 254/2 XE 0010032791 | 80508273 Mfr. no. 0010032791 | €325.03 | In stock | View & order |
Heat exchangers for the Vaillant Combi boiler VCW 254/2 XE (1) all Vaillant heat exchangers →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant plate heat exchanger 254-255E 064947 | 8054440 Mfr. no. 064947 | €200.83 | Made-to-order item | View & order |
Gas valves and gas control for the Vaillant Combi boiler VCW 254/2 XE (1) all Vaillant gas valves and gas control →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant gas connection VC/W254-255E 082602 | 8056589 Mfr. no. 082602 | €166.27 | Made-to-order item | View & order |
PCBs and controls for the Vaillant Combi boiler VCW 254/2 XE (1) all Vaillant PCBs and controls →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant PCB complete VC/W 254/2XE255/2E | 8055505 Mfr. no. 130484 | €612.31 | Made-to-order item | View & order |
Ignition and ionisation for the Vaillant Combi boiler VCW 254/2 XE (2) all Vaillant ignition and ionisation →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant ignition electrode VC/W184-244XE185-245E254XE/2/3 | 8051122 Mfr. no. 090684 | €42.07 | In stock | View & order |
| Vaillant monitoring electrode VC/W184-244XE185-245E254XE/2/3 | 8051123 Mfr. no. 090685 | €29.11 | In stock | View & order |
Burners for the Vaillant Combi boiler VCW 254/2 XE (2) all Vaillant burners →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant combustion chamber VCW254XE | 8056508 Mfr. no. 041932 | €254.83 | Made-to-order item | View & order |
| Vaillant burner rail VC/W254 XE/2/3 | 8056432 Mfr. no. 183731 | €151.15 | Made-to-order item | View & order |
Displays and controls for the Vaillant Combi boiler VCW 254/2 XE (3) all Vaillant displays and controls →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant display PCB CWK245/3 | 8057089 Mfr. no. 130807 | €112.27 | Made-to-order item | View & order |
| Vaillant front panel VU/W VC/W254-255E/2 | 8055951 Mfr. no. 078103 | €267.79 | Made-to-order item | View & order |
| Vaillant knob VC/W254/2XE255/2E | 8056631 Mfr. no. 114285 | €32.35 | Made-to-order item | View & order |
Valves for the Vaillant Combi boiler VCW 254/2 XE (4) all Vaillant valves →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant automatic air vent | 8050850 Mfr. no. 061707 | €42.07 | In stock | View & order |
| Vaillant priority valve VUWVCW254-255E | 8050322 Mfr. no. 014631 | €132.79 | In stock | View & order |
| Vaillant bypass valve 2,5m VU/W, VC/W254-255E | 8051685 Mfr. no. 150221 | €53.95 | Made-to-order item | View & order |
| Vaillant pressure relief valve VCW254-255/3 CWK245/3 | 8056621 Mfr. no. 014692 | €30.19 | Made-to-order item | View & order |
Pressure gauges for the Vaillant Combi boiler VCW 254/2 XE (1) all Vaillant pressure gauges →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant pressure gauge including pipe cap VC/W 254255 | 8056105 Mfr. no. 101272 | €61.51 | Made-to-order item | View & order |
Electrical parts for the Vaillant Combi boiler VCW 254/2 XE (3) all Vaillant electrical parts →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant fuse 2.0A T2H 10 pcs for ecoTEC plus and ecoTEC pro etc. | 8050127 Mfr. no. 0020067507 | €19.39 | In stock | View & order |
| Vaillant fuse 125 at 10 pcs VC/W255/2E | 8057163 Mfr. no. 251961 | €21.55 | In stock | View & order |
| Vaillant transformer VC/W254-255/3 CWK 245/3 287450 | 8056584 Mfr. no. 287450 | €101.47 | Made-to-order item | View & order |
Cables and wiring harnesses for the Vaillant Combi boiler VCW 254/2 XE (4) all Vaillant cables and wiring harnesses →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant pump connection cable for e.g. boiler Turbo VC 255/2 E 0010032756 | 80501859 Mfr. no. 0010032756 | €35.59 | Made-to-order item | View & order |
| Vaillant cable complete 24V VC/W254-255/2/3 CWK245/3 VHR35 | 8058574 Mfr. no. 255775 | €101.47 | Made-to-order item | View & order |
| Vaillant ignition cable VC/W254/2XE | 8057091 Mfr. no. 091546 | €46.39 | Made-to-order item | View & order |
| Vaillant connecting plugs VC/W254/2XE255/2E | 8058570 Mfr. no. 253815 | €52.87 | Made-to-order item | View & order |
Gaskets and seals for the Vaillant Combi boiler VCW 254/2 XE (21) all Vaillant gaskets and seals →
Pipes, tubes and hoses for the Vaillant Combi boiler VCW 254/2 XE (14) all Vaillant pipes, tubes and hoses →
Casing and panels for the Vaillant Combi boiler VCW 254/2 XE (2) all Vaillant casing and panels →
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant cover | 80501646 Mfr. no. 0010034043 | €24.79 | Made-to-order item | View & order |
| Vaillant lower door VU/W VC/W254-255E/2 | 8055950 Mfr. no. 078104 | €168.43 | Made-to-order item | View & order |
Fixing material for the Vaillant Combi boiler VCW 254/2 XE (20) all Vaillant fixing material →
Other parts for the Vaillant Combi boiler VCW 254/2 XE (13)
| Part | Item no. / mfr. no. | Price | Stock | |
|---|---|---|---|---|
| Vaillant gland bush MAG/VCW | 8050050 Mfr. no. 012156 | €18.31 | In stock | View & order |
| Vaillant bush old no.:124870 | 8051395 Mfr. no. 0020228104 | €26.95 | Made-to-order item | View & order |
| Vaillant servo pressure regulator VC-W254XE | 8050652 Mfr. no. 050212 | €207.31 | Made-to-order item | View & order |
| Vaillant retainer VUW254/255E | 8055295 Mfr. no. 154149 | €11.83 | Made-to-order item | View & order |
| Vaillant hose clamp | 8059580 Mfr. no. 0020052092 | €26.95 | Made-to-order item | View & order |
| Vaillant fixing nipple VU/W VC/W254-255E | 8050114 Mfr. no. 0020107706 | €11.83 | Made-to-order item | View & order |
| Vaillant hook for e.g. boiler VC 254/2 XE 144306 | 8050407 Mfr. no. 144306 | €11.83 | Made-to-order item | View & order |
| Vaillant diaphragm housing VUW/VCW254XE255E | 8054660 Mfr. no. 295131 | €99.31 | Made-to-order item | View & order |
| Vaillant radiation shield cv/W254/2 | 8053275 Mfr. no. 280033 | €46.39 | Made-to-order item | View & order |
| Vaillant strip VU/VUW/VCW254XE | 8053522 Mfr. no. 195983 | €11.83 | Made-to-order item | View & order |
| Vaillant thermomagnet VC/W254 XE 170342 | 8054650 Mfr. no. 170342 | €100.39 | Made-to-order item | View & order |
| Vaillant water section VUW VCW 254XE255E | 8050195 Mfr. no. 011263 | €139.27 | Made-to-order item | View & order |
| Vaillant water strainer | 8059476 Mfr. no. 0020039717 | €23.71 | Made-to-order item | View & order |
Exploded views of the Vaillant Combi boiler VCW 254/2 XE











Click an exploded view to enlarge it. The position numbers are shown next to each part.
Fault code on your Vaillant Combi boiler VCW 254/2 XE? This is the part type involved
Common Vaillant fault codes and the part type that is usually the cause; the parts for this model are listed above. All codes explained: Vaillant fault codes.
| Code | What is going on | Part type |
|---|---|---|
| F.00 | The flow temperature sensor signal is interrupted. | Sensors |
| F.01 | Ignition fault (no flame detection), no gas / gas tap closed, no ignition | Ignition and ionisation |
| F.01 | The return temperature sensor signal is interrupted. | Sensors |
| F.02 | The hot water connection temperature sensor signal is interrupted. | Sensors |
| F.022 | Pressure loss in the heating circuit due to a leak or air lock, heating circuit pressure sensor defective | Sensors |
| F.03 | The cylinder temperature sensor signal is interrupted. | Sensors |
For guidance only: the same code can have a different cause depending on the situation.
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