Vaillant ecoTEC plus VHR 35/40 CS/1-5 spare parts

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In brief

Instalpunt supplies 102 original parts for the Vaillant ecoTEC plus VHR 35/40 CS/1-5, including temperature sensors and NTC sensors, pressure sensors, heat exchangers. Order online.

102Spare parts
29In stock
€6.71From
17Types
availableExploded view

Looking for parts for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (boiler)? Below are all 102 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 ecoTEC plus VHR 35/40 CS/1-5

Part	From	Delivery
Ignition part Vaillant igniter for ecoTEC plus and ecoTEC	€38.83	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 Vaillant pressure sensor VHR18-22/3C24-28/3C VHR CW3 4/3 for ecoTEC plus and ecoTEC pro etc.	€22.63	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 flow/return VHR18-22/3C24-28/3C for ecoTEC plus and ecoTEC pro etc.	€21.55	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 plate heat exchanger 35 plates	€208.39	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.

Temperature sensors and NTC sensors 2
Pressure sensors 1
Heat exchangers 1
Gas valves and gas control 2
Diverter valves and hydroblocks 1
Ignition and ionisation 3
Siphons and condensate drains 1
Burners 1
Valves 1
Pressure gauges 1
Electrical parts 3
Cables and wiring harnesses 7
Gaskets and seals 22
Pipes, tubes and hoses 9
Casing and panels 5
Insulation 1
Fixing material 31
Other parts 10

Temperature sensors and NTC sensors for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (2) all Vaillant temperature sensors and NTC sensors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant NTC sensor flow/return VHR18-22/3C24-28/3C for ecoTEC plus and ecoTEC pro etc.	8058955 Mfr. no. 193592	€21.55	In stock	View & order
Vaillant NTC domestic hot water VHR 3/C	8058966 Mfr. no. 103429	€28.03	In stock	View & order

Pressure sensors for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (1)

Part	Item no. / mfr. no.	Price	Stock
Vaillant pressure sensor VHR18-22/3C24-28/3C VHR CW3 4/3 for ecoTEC plus and ecoTEC pro etc.	8058957 Mfr. no. 0020059717	€22.63	In stock	View & order

Heat exchangers for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (1) all Vaillant heat exchangers →

Part	Item no. / mfr. no.	Price	Stock
Vaillant plate heat exchanger 35 plates	8053389 Mfr. no. 0020025041	€208.39	In stock	View & order

Gas valves and gas control for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (2) all Vaillant gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gas valve	80501685 Mfr. no. 0010029282	€182.47	In stock	View & order
Vaillant gas pipe	80501657 Mfr. no. 0010029284	€59.35	Made-to-order item	View & order

Diverter valves and hydroblocks for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (1) all Vaillant diverter valves and hydroblocks →

Part	Item no. / mfr. no.	Price	Stock
Vaillant 3-way valve for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020213146	80500324 Mfr. no. 0020213146	€101.47	In stock	View & order

Ignition and ionisation for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (3) all Vaillant ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
Vaillant igniter for ecoTEC plus and ecoTEC	80501382 Mfr. no. 0010029280	€38.83	In stock	View & order
Vaillant ionisation electrode for ecoTEC plus and ecoTEC	80501427 Mfr. no. 0010029270	€40.99	In stock	View & order
Vaillant ignition electrode	80501672 Mfr. no. 0010029271	€50.71	In stock	View & order

Siphons and condensate drains for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (1) all Vaillant siphons and condensate drains →

Part	Item no. / mfr. no.	Price	Stock
Vaillant siphon for ecoTEC plus and ecoTEC	80508145 Mfr. no. 0020254539	€58.27	Made-to-order item	View & order

Burners for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (1) all Vaillant burners →

Part	Item no. / mfr. no.	Price	Stock
Vaillant burner for ecoTEC plus and ecoTEC	80501453 Mfr. no. 0010029061	€70.15	Made-to-order item	View & order

Valves for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (1) all Vaillant valves →

Part	Item no. / mfr. no.	Price	Stock
Vaillant bypass valve assembly	8051484 Mfr. no. 178980	€40.99	In stock	View & order

Pressure gauges for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (1) all Vaillant pressure gauges →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pressure gauge for ecoTEC plus and ecoTEC pro etc.	8055028 Mfr. no. 0020144606	€57.19	Made-to-order item	View & order

Electrical parts for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (3) all Vaillant electrical parts →

Part	Item no. / mfr. no.	Price	Stock
Vaillant cable gland for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020144603	8050223 Mfr. no. 0020144603	€24.79	Made-to-order item	View & order
Vaillant coding plug PRO e set	8050246 Mfr. no. 0020136646	€50.71	Made-to-order item	View & order
Vaillant strain relief	8051468 Mfr. no. 078533	€48.55	Made-to-order item	View & order

Cables and wiring harnesses for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (7) all Vaillant cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pump power cable for ecoTEC plus	90170489 Mfr. no. 0020218794	€31.27	Made-to-order item	View & order
Vaillant cable for e.g. ecoTEC plus VHR 35/40 CS/1-5 0010029346	80501323 Mfr. no. 0010029346	€24.79	Made-to-order item	View & order
Vaillant lead	80501386 Mfr. no. 0010029434	€52.87	Made-to-order item	View & order
Vaillant wiring harness igniter ionisation for ecoTEC and ecoTEC plus	80501394 Mfr. no. 0010029273	€53.95	Made-to-order item	View & order
Vaillant wiring harness, 2 of 7 0010030850 (230V) for ecoTEC and ecoTEC plus	80501849 Mfr. no. 0010030850	€47.47	Made-to-order item	View & order
Vaillant power cable	8050249 Mfr. no. 0020135164	€47.47	Made-to-order item	View & order
Vaillant display cable for ecoTEC plus and ecoTEC pro etc.	8050314 Mfr. no. 0020136630	€24.79	Made-to-order item	View & order

Gaskets and seals for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (22) all Vaillant gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
Vaillant sealing ring C-type (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8051435 Mfr. no. 178969	€20.47	In stock	View & order
Vaillant gasket 3/4" (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8052292 Mfr. no. 981140	€17.23	In stock	View & order
Vaillant lip ring 80mm VHR354565	8057020 Mfr. no. 981227	€19.93	In stock	View & order
Vaillant O-ring per 10 pcs for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 193537	8051461 Mfr. no. 193537	€34.51	In stock	View & order
Vaillant O-ring per 10 pcs for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 103415	8051426 Mfr. no. 103415	€31.27	In stock	View & order
Vaillant air intake pipe gasket for ecoTEC plus and ecoTEC	8050224 Mfr. no. 0020135149	€16.15	In stock	View & order
Vaillant O-ring for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020231195	80500212 Mfr. no. 0020231195	€29.11	In stock	View & order
Vaillant ionisation electrode gasket for ecoTEC plus and ecoTEC	80501329 Mfr. no. 0010029268	€17.23	In stock	View & order
Vaillant gasket, electrode (ignition) for ecoTEC plus and ecoTEC	80501640 Mfr. no. 0010029269	€19.39	In stock	View & order
Vaillant sealing ring 10 pcs for ecoTEC plus and ecoTEC	8050363 Mfr. no. 0020010298	€30.19	Made-to-order item	View & order
Vaillant O-ring 10 pcs for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020213147	80500068 Mfr. no. 0020213147	€23.71	Made-to-order item	View & order
Vaillant O-ring 10 pcs for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020213160	80500075 Mfr. no. 0020213160	€26.95	Made-to-order item	View & order
Vaillant gasket for ecoTEC plus and ecoTEC (e.g. ecoTEC plus VHR 35/40 CS/1-5) 0020229663	80500898 Mfr. no. 0020229663	€24.79	Made-to-order item	View & order
Vaillant burner gasket for ecoTEC plus and ecoTEC	80501314 Mfr. no. 0010029062	€24.79	Made-to-order item	View & order
Vaillant gasket for ecoTEC plus and ecoTEC (e.g. ecoTEC plus VHR 35/40 CS/1-5) 0010029279	80501330 Mfr. no. 0010029279	€24.79	Made-to-order item	View & order
Vaillant gasket for ecoTEC plus and ecoTEC (e.g. ecoTEC plus VHR 35/40 CS/1-5) 0010029267	80501341 Mfr. no. 0010029267	€25.87	Made-to-order item	View & order
Vaillant seal 10 pcs for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 178986	8053371 Mfr. no. 178986	€24.79	Made-to-order item	View & order
Vaillant O-ring for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020166927	8050484 Mfr. no. 0020166927	€23.71	Made-to-order item	View & order
Vaillant O-ring 10 pcs MAG11-2/014-2/017-2/0 for e.g. ecoTEC plus VHR 35/40 CS/1-5 108602	8056707 Mfr. no. 108602	€25.87	Made-to-order item	View & order
Vaillant gasket (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8057034 Mfr. no. 981149	€24.79	Made-to-order item	View & order
Vaillant sealing ring per 10 pcs for ecoTEC plus and ecoTEC pro etc. (e.g. hrSOLIDE plus VHR 24-28/3-5 R3) 178993	8051419 Mfr. no. 178993	€23.71	Made-to-order item	View & order
Vaillant gasket for ecoTEC plus and ecoTEC pro etc.	8050296 Mfr. no. 0020039723	€23.71	Made-to-order item	View & order

Pipes, tubes and hoses for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (9) all Vaillant pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant adapter piece 80/80mm	8050205 Mfr. no. 0020144597	€51.79	In stock	View & order
Vaillant pipe incl. gasket for safety valve (plastic) (ecoTEC plus and ecoTEC)	8056908 Mfr. no. 0020244425	€20.47	In stock	View & order
Vaillant hose for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020215129	80500895 Mfr. no. 0020215129	€25.87	Made-to-order item	View & order
Vaillant pipe for e.g. ecoTEC plus VHR 35/40 CS/1-5 0010029323	80501388 Mfr. no. 0010029323	€52.87	Made-to-order item	View & order
Vaillant gas pipe flexible	80501449 Mfr. no. 0010029285	€66.91	Made-to-order item	View & order
Vaillant air intake pipe	80501662 Mfr. no. 0010029275	€53.95	Made-to-order item	View & order
Vaillant pipe 0010029436	80501847 Mfr. no. 0010029436	€57.19	Made-to-order item	View & order
Vaillant adapter piece for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020144608	8055031 Mfr. no. 0020144608	€25.87	Made-to-order item	View & order
Vaillant adapter piece for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 0020087657	8059566 Mfr. no. 0020087657	€33.43	Made-to-order item	View & order

Casing and panels for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (5) all Vaillant casing and panels →

Part	Item no. / mfr. no.	Price	Stock
Vaillant protective cap (5 pcs)	80500892 Mfr. no. 0020195490	€26.95	Made-to-order item	View & order
Vaillant logo plate x5	80501443 Mfr. no. 0010031281	€65.83	Made-to-order item	View & order
Vaillant front panel for e.g. ecoTEC plus VHR 35/40 CS/1-5 0010029301	80501515 Mfr. no. 0010029301	€247.27	Made-to-order item	View & order
Vaillant side panel for e.g. ecoTEC plus VHR 35/40 CS/1-5 0010029308	80501549 Mfr. no. 0010029308	€125.23	Made-to-order item	View & order
Vaillant cover plate 0010029306	80501850 Mfr. no. 0010029306	€35.59	Made-to-order item	View & order

Insulation for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (1) all Vaillant insulation →

Part	Item no. / mfr. no.	Price	Stock
Vaillant insulation for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020252122	80500413 Mfr. no. 0020252122	€89.59	In stock	View & order

Fixing material for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (31) all Vaillant fixing material →

Part	Item no. / mfr. no.	Price	Stock
Vaillant screw 10 pcs burner VHR Solide for ecoTEC plus and ecoTEC pro etc.	8055903 Mfr. no. 105900	€25.87	In stock	View & order
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 holder complete for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 180987	8051428 Mfr. no. 180987	€23.71	In stock	View & order
Vaillant fixing set for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 0020130588	8055023 Mfr. no. 0020130588	€24.79	Made-to-order item	View & order
Vaillant screw 10 pcs MAG11-2/014-2/017-2/0	8056717 Mfr. no. 108628	€25.87	Made-to-order item	View & order
Vaillant retaining spring per 10 pcs for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 103417	8051439 Mfr. no. 103417	€39.91	In stock	View & order
Vaillant clip for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020204813	80500056 Mfr. no. 0020204813	€28.03	Made-to-order item	View & order
Vaillant nut 3 pcs	80500072 Mfr. no. 0020213157	€11.83	Made-to-order item	View & order
Vaillant screw 0020213163, 10 pcs	80500078 Mfr. no. 0020213163	€11.83	Made-to-order item	View & order
Vaillant plug for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020210117	80500059 Mfr. no. 0020210117	€11.83	Made-to-order item	View & order
Vaillant plug for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020213894	80500079 Mfr. no. 0020213894	€23.71	Made-to-order item	View & order
Vaillant holder, storage connection pipes	80500885 Mfr. no. 0010025790	€24.79	Made-to-order item	View & order
Vaillant screw 0020195482, 10 pcs	80501262 Mfr. no. 0020195482	€24.79	Made-to-order item	View & order
Vaillant holder x2 for e.g. ecoTEC plus VHR 35/40 CS/1-5 0010029335	80501311 Mfr. no. 0010029335	€24.79	Made-to-order item	View & order
Vaillant screw 0010029056, 10 pcs	80501312 Mfr. no. 0010029056	€24.79	Made-to-order item	View & order
Vaillant clip 5 pcs for e.g. ecoTEC plus VHR 35/40 CS/1-5 0010029312	80501313 Mfr. no. 0010029312	€24.79	Made-to-order item	View & order
Vaillant screw 0010029057, 10 pcs	80501316 Mfr. no. 0010029057	€24.79	Made-to-order item	View & order
Vaillant screw 0010029266, 10 pcs	80501322 Mfr. no. 0010029266	€24.79	Made-to-order item	View & order
Vaillant holder for e.g. ecoTEC plus VHR 35/40 CS/1-5 0010029058	80501325 Mfr. no. 0010029058	€24.79	Made-to-order item	View & order
Vaillant plug 10 pcs	80501326 Mfr. no. 0010029435	€24.79	Made-to-order item	View & order
Vaillant holder for e.g. ecoTEC plus VHR 35/40 CS/1-5 0010029344	80501343 Mfr. no. 0010029344	€25.87	Made-to-order item	View & order
Vaillant screw 0010034866, 10 pcs	80501406 Mfr. no. 0010034866	€29.11	Made-to-order item	View & order
Vaillant spacer 2 pcs for e.g. ecoTEC plus VHR 35/40 CS/1-5 0010029337	80501407 Mfr. no. 0010029337	€25.87	Made-to-order item	View & order
Vaillant air intake pipe holder	80501410 Mfr. no. 0010032065	€24.79	Made-to-order item	View & order
Vaillant retaining spring per 10 pcs for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 178992	8051436 Mfr. no. 178992	€48.55	Made-to-order item	View & order
Vaillant clip (10 pcs) for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020174521	8051602 Mfr. no. 0020174521	€28.03	Made-to-order item	View & order
Vaillant clip 5 pcs for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020144599	8050243 Mfr. no. 0020144599	€29.11	Made-to-order item	View & order
Vaillant grommet per 10 pcs for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 509120	8051469 Mfr. no. 509120	€52.87	Made-to-order item	View & order
Vaillant nut (4 pcs) VHR	8058113 Mfr. no. 193598	€31.27	Made-to-order item	View & order
Vaillant plug for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 0020020489	8053414 Mfr. no. 0020020489	€23.71	Made-to-order item	View & order
Vaillant plug for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020144604	8050222 Mfr. no. 0020144604	€23.71	Made-to-order item	View & order

Other parts for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 (10)

Part	Item no. / mfr. no.	Price	Stock
Vaillant gasket set for ecoTEC plus and ecoTEC	80501383 Mfr. no. 0010029264	€26.95	In stock	View & order
Vaillant VR33 OpenTherm module	80599971 Mfr. no. 8000020151	€77.71	In stock	View & order
Vaillant impeller for e.g. ecoTEC plus VHR 35/40 CS/1-5 0020211945	80500323 Mfr. no. 0020211945	€37.21	Made-to-order item	View & order
Vaillant burner flange	80501547 Mfr. no. 0010029265	€114.43	In stock	View & order
Vaillant box for e.g. ecoTEC plus VHR 35/40 CS/1-5 0010029331	80501399 Mfr. no. 0010029331	€57.19	Made-to-order item	View & order
Vaillant connection cim	80501426 Mfr. no. 0010029343	€66.91	Made-to-order item	View & order
Vaillant sound insulation	80501499 Mfr. no. 0010029309	€156.55	Made-to-order item	View & order
Vaillant box	80501658 Mfr. no. 0010029330	€33.43	Made-to-order item	View & order
Vaillant retainer for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020135117	8050318 Mfr. no. 0020135117	€25.87	Made-to-order item	View & order
Vaillant catch bracket 5 pcs MAG17-2/0	8056738 Mfr. no. 240720	€35.59	Made-to-order item	View & order

Exploded views of the Vaillant ecoTEC plus VHR 35/40 CS/1-5

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

Vaillant ecoTEC plus VHR 35/40 CS/1-5 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.

Fault code on your Vaillant ecoTEC plus VHR 35/40 CS/1-5? 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.01	Ignition fault (no flame detection), no gas / gas tap closed, no ignition	Ignition and ionisation
F.042	Break in the heat exchanger wiring harness	Heat exchangers
F.105	Gas valve offset in D.052 set incorrectly	Gas valves and gas control
F.25	Break in the wiring harness of the burner, fan and gas valve	Gas valves and gas control
F.26	Gas valve stepper motor current implausible	Gas valves and gas control
F.27	Incorrect ionisation measurement	Ignition and ionisation

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

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Frequently asked questions

Which parts are available for the Vaillant ecoTEC plus VHR 35/40 CS/1-5?

The catalogue lists 102 original parts for the Vaillant ecoTEC plus VHR 35/40 CS/1-5, including temperature sensors and NTC sensors, pressure sensors, heat exchangers, gas valves and gas control. All parts are listed above, grouped by type, with part number and price.

How much does a temperature sensor for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 cost?

The temperature sensors and NTC sensors for this model cost between €18.35 and €29.64 incl. VAT. Check the table "Temperature sensors and NTC sensors" above for the right part number.

Are the parts for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 in stock?

29 of the 102 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 ecoTEC plus VHR 35/40 CS/1-5?

Search for the part by part number or use the exploded view of the Vaillant ecoTEC plus VHR 35/40 CS/1-5.

Are these original Vaillant parts?

Yes. All 102 parts in this list are original manufacturer parts for the Vaillant ecoTEC plus VHR 35/40 CS/1-5, delivered with the correct part number.

How much do parts for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 cost?

Parts for the Vaillant ecoTEC plus VHR 35/40 CS/1-5 range from €6.71 to €275.21 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.