Vaillant Combi boiler VCW 254/3 spare parts

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In brief

Instalpunt supplies 82 original parts for the Vaillant Combi boiler VCW 254/3, including sensors, temperature sensors and NTC sensors, flow sensors and flow switches. Order online.

82Spare parts
25In stock
€6.71From
22Types
availableExploded view

Looking for parts for the Vaillant Combi boiler VCW 254/3 (boiler)? Below are all 82 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 254/3

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. VC-VCW 255/3 0010030634	€310.99	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 Vaillant heat exchanger VC-VCW254/3	€407.11	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).
Display Vaillant knob grey 3 pcs VC/W254-255/3CWK245/3VHR45	€42.07	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.

Sensors for the Vaillant Combi boiler VCW 254/3 (2) all Vaillant sensors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant temperature limiter VC/W254/3	8056336 Mfr. no. 253537	€92.83	Made-to-order item	View & order
Vaillant Hall sensor	8057016 Mfr. no. 711933	€66.91	Made-to-order item	View & order

Temperature sensors and NTC sensors for the Vaillant Combi boiler VCW 254/3 (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

Flow sensors and flow switches for the Vaillant Combi boiler VCW 254/3 (1) all Vaillant flow sensors and flow switches →

Part	Item no. / mfr. no.	Price	Stock
Vaillant flow sensor VCW254-255/3 CWK245/3	8056588 Mfr. no. 194836	€167.35	Made-to-order item	View & order

Pressure switches and differential pressure switches for the Vaillant Combi boiler VCW 254/3 (1) all Vaillant pressure switches and differential pressure switches →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pressure switch VCW254-255/3CWK 245/3 VHR 45	8056587 Mfr. no. 712087	€56.11	In stock	View & order

Pumps for the Vaillant Combi boiler VCW 254/3 (1) all Vaillant pumps →

Part	Item no. / mfr. no.	Price	Stock
Vaillant high-efficiency pump excl. pump cable for e.g. VC-VCW 255/3 0010030634	80508258 Mfr. no. 0010030634	€310.99	In stock	View & order

Heat exchangers for the Vaillant Combi boiler VCW 254/3 (2) all Vaillant heat exchangers →

Part	Item no. / mfr. no.	Price	Stock
Vaillant plate heat exchanger VCW254-255/3 VHR 35c	8056609 Mfr. no. 065132	€435.19	Made-to-order item	View & order
Vaillant heat exchanger VC-VCW254/3	8056608 Mfr. no. 065130	€407.11	In stock	View & order

Gas valves and gas control for the Vaillant Combi boiler VCW 254/3 (1) all Vaillant gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gas section A25 CWK245/3254255/3	8056605 Mfr. no. 053519	€226.75	In stock	View & order

PCBs and controls for the Vaillant Combi boiler VCW 254/3 (2) all Vaillant PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant main PCB VC/W254/255/3CWK 245/3	8057073 Mfr. no. 130819	€572.35	In stock	View & order
Vaillant controller protection grey	8050527 Mfr. no. 0020130491	€28.03	Made-to-order item	View & order

Diverter valves and hydroblocks for the Vaillant Combi boiler VCW 254/3 (2) all Vaillant diverter valves and hydroblocks →

Part	Item no. / mfr. no.	Price	Stock
Vaillant bypass 17 m VC/W254-255/3 CWK245/3	8058306 Mfr. no. 150242	€66.91	Made-to-order item	View & order
Vaillant bypass 35 m VC/W 254-255/3 CWK 245/3	8058307 Mfr. no. 150243	€64.75	Made-to-order item	View & order

Ignition and ionisation for the Vaillant Combi boiler VCW 254/3 (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 254/3 (1) all Vaillant burners →

Part	Item no. / mfr. no.	Price	Stock
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 254/3 (4) all Vaillant displays and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant knob grey 3 pcs VC/W254-255/3CWK245/3VHR45	8056624 Mfr. no. 114288	€42.07	In stock	View & order
Vaillant PCB VC/W254-255/3 VHR 3545	8056585 Mfr. no. 130822	€103.63	Made-to-order item	View & order
Vaillant front control panel VC/W 254-255/3 CWK 245/3	8056561 Mfr. no. 295259	€147.91	Made-to-order item	View & order
Vaillant front panel VC/W254-255/3 CWK245/3	8050964 Mfr. no. 078345	€124.15	Made-to-order item	View & order

Valves for the Vaillant Combi boiler VCW 254/3 (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 bypass valve VC/W254-255/3 CWK245/3	8056617 Mfr. no. 150240	€62.59	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
Vaillant water flow limiter 7,3l VCW254-255/3	8056623 Mfr. no. 012984	€48.55	Made-to-order item	View & order

Pressure gauges for the Vaillant Combi boiler VCW 254/3 (1) all Vaillant pressure gauges →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pressure gauge VHR18243545 after 2005 254-255/3CWK 245/3	8057017 Mfr. no. 101271	€73.39	Made-to-order item	View & order

Motors for the Vaillant Combi boiler VCW 254/3 (1) all Vaillant motors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant three-way valve motor VCW254/255-3CWK245/3VHR after 2005	8057072 Mfr. no. 140429	€115.51	In stock	View & order

Electrical parts for the Vaillant Combi boiler VCW 254/3 (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 254/3 (1) all Vaillant cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant cable complete 24V VC/W254-255/2/3 CWK245/3 VHR35	8058574 Mfr. no. 255775	€101.47	Made-to-order item	View & order

Gaskets and seals for the Vaillant Combi boiler VCW 254/3 (10) all Vaillant gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gasket 3/4" (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8052292 Mfr. no. 981140	€17.23	In stock	View & order
Vaillant gasket 1/2" (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8057027 Mfr. no. 981142	€16.15	In stock	View & order
Vaillant O-ring R 7x15 (10 pcs)	8057040 Mfr. no. 981155	€16.15	In stock	View & order
Vaillant O-ring (10 pcs) for e.g. hrSOLIDE VHR 24-28 C 981163	8057046 Mfr. no. 981163	€16.15	In stock	View & order
Vaillant pump O-ring 23 x 3 mm 254/2XE 10 pcs	8055146 Mfr. no. 981234	€18.31	In stock	View & order
Vaillant gasket (10 pcs) for e.g. hrSOLIDE VHR 24-28 C 981151	8057036 Mfr. no. 981151	€16.15	In stock	View & order
Vaillant O-ring (10 pcs) for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 981165	8057048 Mfr. no. 981165	€21.55	In stock	View & order
Vaillant O-ring for e.g. thermoCOMPACT VCW 254/4-7 0020107693	8050081 Mfr. no. 0020107693	€30.19	Made-to-order item	View & order
Vaillant O-ring (10 pcs) for e.g. thermoCOMPACT VCW 254/4-7 981170	8052705 Mfr. no. 981170	€18.31	In stock	View & order
Vaillant gasket (10 pcs) for e.g. hrEXCLUSIEF VHR 35 S 981154	8057039 Mfr. no. 981154	€24.79	Made-to-order item	View & order

Pipes, tubes and hoses for the Vaillant Combi boiler VCW 254/3 (8) all Vaillant pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant air vent nipple	8051596 Mfr. no. 140015	€24.79	Made-to-order item	View & order
Vaillant connection pipe complete for e.g. VC-VCW 254/3 022524	8057399 Mfr. no. 022524	€126.31	Made-to-order item	View & order
Vaillant connection pipe complete for e.g. VC-VCW 254/3 022694	8057415 Mfr. no. 022694	€107.95	Made-to-order item	View & order
Vaillant connection pipe VC/W254-255/3 CWK245/3 for e.g. VC-VCW 255/3 019390	8057194 Mfr. no. 019390	€55.03	Made-to-order item	View & order
Vaillant connection pipe for e.g. combi boiler Turbo VCW 255/3 R1 022782	8057419 Mfr. no. 022782	€91.75	Made-to-order item	View & order
Vaillant connection pipe heating flow	8057420 Mfr. no. 022784	€116.59	Made-to-order item	View & order
Vaillant connection pipe VC/W254-255/3 CWK245/3 for e.g. VC-VCW 255/3 123420	8058160 Mfr. no. 123420	€94.99	Made-to-order item	View & order
Vaillant cooling pipe VC/W254/3	8054115 Mfr. no. 118597	€131.71	Made-to-order item	View & order

Casing and panels for the Vaillant Combi boiler VCW 254/3 (6) 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 rear case connection cover	8057241 Mfr. no. 136882	€60.43	Made-to-order item	View & order
Vaillant cover complete VC/W254/3	8057751 Mfr. no. 078946	€109.03	Made-to-order item	View & order
Vaillant casing cover VC/W254-255/3 CWK245/3	8055861 Mfr. no. 078954	€208.39	Made-to-order item	View & order
Vaillant logo plate VC/W254-255/3 CWK245/3	8057191 Mfr. no. 118096	€48.55	Made-to-order item	View & order
Vaillant casing complete VCW254-255/3 CWK245/3	8056541 Mfr. no. 067314	€555.07	Made-to-order item	View & order

Insulation for the Vaillant Combi boiler VCW 254/3 (1) all Vaillant insulation →

Part	Item no. / mfr. no.	Price	Stock
Vaillant burner insulation atmo 24kw set	8053383 Mfr. no. 0020068069	€53.95	In stock	View & order

Fixing material for the Vaillant Combi boiler VCW 254/3 (16) all Vaillant fixing material →

Part	Item no. / mfr. no.	Price	Stock
Vaillant retainer for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 0020107694	8050116 Mfr. no. 0020107694	€29.11	In stock	View & order
Vaillant screw 48 x 95 drill hole 4 mm	8050117 Mfr. no. 0020107695	€23.71	Made-to-order item	View & order
Vaillant retaining ring VUW VCW254-255/2/3 CWK 245/3 VHR45	8050119 Mfr. no. 0020107709	€11.83	Made-to-order item	View & order
Vaillant retaining spring 10 pcs for e.g. combi boiler Turbo VCW 255/3 R1 219620	8054722 Mfr. no. 219620	€28.03	Made-to-order item	View & order
Vaillant clamp set 10 pcs VHR35VC/W../3CWK245/3	8056607 Mfr. no. 219622	€50.71	Made-to-order item	View & order
Vaillant clamping spring 10 pcs VC/W254-255/3, CWK245/3	8054721 Mfr. no. 219619	€36.67	Made-to-order item	View & order
Vaillant spring 2 pcs VC/W254-255/3 CWK245/3	8056611 Mfr. no. 188742	€34.51	Made-to-order item	View & order
Vaillant screw VC/W254/3	8058080 Mfr. no. 105902	€45.31	Made-to-order item	View & order
Vaillant screw 10 pcs VC/W254-255/3 CWK245/3	8058152 Mfr. no. 118968	€25.87	Made-to-order item	View & order
Vaillant bolt 133930	8056496 Mfr. no. 0020107733	€11.83	Made-to-order item	View & order
Vaillant screw 0020235950, 10 pcs	90170466 Mfr. no. 0020235950	€24.79	Made-to-order item	View & order
Vaillant retaining spring 10 pcs VC/W254-255/3 CWK245/3	8056619 Mfr. no. 219623	€36.67	Made-to-order item	View & order
Vaillant holder for e.g. VC-VCW 254/3 0020073576	8059492 Mfr. no. 0020073576	€23.71	Made-to-order item	View & order
Vaillant clamp 4 pcs VC/W254-255/3	8058682 Mfr. no. 290811	€31.27	Made-to-order item	View & order
Vaillant hanging bracket VC/W/3CWK/3VHR Solide	8057102 Mfr. no. 098919	€28.03	Made-to-order item	View & order
Vaillant plug VCW254-255/3 CWK245/3	8058259 Mfr. no. 139471	€25.87	Made-to-order item	View & order

Other parts for the Vaillant Combi boiler VCW 254/3 (11)

Part	Item no. / mfr. no.	Price	Stock
Vaillant water strainer VCW254-255/3CWK245/3	8056622 Mfr. no. 074514	€16.15	In stock	View & order
Vaillant three-way valve VHR VCW254-255/3 CWK 245/3	8057003 Mfr. no. 252457	€217.03	In stock	View & order
Vaillant pressure closure VCW254/255/3 088734	8054086 Mfr. no. 088734	€58.27	Made-to-order item	View & order
Vaillant ignition cable	90170701 Mfr. no. 0010042323	€31.27	Made-to-order item	View & order
Vaillant combustion chamber VC-VCW254/3	8056600 Mfr. no. 031522	€379.03	Made-to-order item	View & order
Vaillant bottom cover for e.g. combi boiler Turbo VCW 255/3 R1 079533	8057762 Mfr. no. 079533	€45.31	Made-to-order item	View & order
Vaillant quick-release clip 10 pcs VC/W254-255/3 CWK245/3 132925	8056625 Mfr. no. 132925	€48.55	Made-to-order item	View & order
Vaillant draught diverter VC/W254/3	8058059 Mfr. no. 102529	€137.11	Made-to-order item	View & order
Vaillant combustion chamber complete with insulation	8058134 Mfr. no. 117553	€109.03	Made-to-order item	View & order
Vaillant catch bracket VC/W184-244XE185-245E254XE/2/3	8057748 Mfr. no. 078539	€24.79	Made-to-order item	View & order
Vaillant pre-injector 2x 480 VC/W254/3	8057491 Mfr. no. 049729	€24.79	Made-to-order item	View & order

Exploded views of the Vaillant Combi boiler VCW 254/3

Click an exploded view to enlarge it. The position numbers are shown next to each part.

Fault code on your Vaillant Combi boiler VCW 254/3? 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.

Other Vaillant boilers

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Frequently asked questions

Which parts are available for the Vaillant Combi boiler VCW 254/3?

The catalogue lists 82 original parts for the Vaillant Combi boiler VCW 254/3, including sensors, temperature sensors and NTC sensors, flow sensors and flow switches, pressure switches and differential pressure switches. All parts are listed above, grouped by type, with part number and price.

How much does a sensor for the Vaillant Combi boiler VCW 254/3 cost?

The sensors for this model cost between €67.74 and €87.50 incl. VAT. Check the table "Sensors" above for the right part number.

Are the parts for the Vaillant Combi boiler VCW 254/3 in stock?

25 of the 82 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 Vaillant Combi boiler VCW 254/3?

Search for the part by part number or use the exploded view of the Vaillant Combi boiler VCW 254/3.

Are these original Vaillant parts?

Yes. All 82 parts in this list are original manufacturer parts for the Vaillant Combi boiler VCW 254/3, delivered with the correct part number.

How much do parts for the Vaillant Combi boiler VCW 254/3 cost?

Parts for the Vaillant Combi boiler VCW 254/3 range from €6.71 to €776.24 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.