Vaillant ecoCOMPACT VSC 306/4-5 90 R1 spare parts

Find your Vaillant part

Choose your appliance step by step

1 Brand

2 Application

3 Type / series

4 Type of part

Or search directly

By part number, appliance type or name

Popular brands

Loading catalogue…

In brief

Instalpunt supplies 150 original parts for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1, including fans, sensors, temperature sensors and NTC sensors. Order online.

150Spare parts
43In stock
€13.57From
24Types
availableExploded view

Looking for parts for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (boiler)? Below are all 150 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 ecoCOMPACT VSC 306/4-5 90 R1

Part	From	Delivery
Fan Vaillant fan VHR/5 30-34 for ecoTEC plus	€251.11	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 Vaillant electrode for ecoTEC plus and ecoTEC pro etc.	€40.66	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.	€22.44	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 domestic hot water VHR 3/C	€27.80	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 27 plates for e.g. ecoTEC plus VHR 30-34/5-5 0020144601	€137.05	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.

Fans for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (1) all Vaillant fans →

Part	Item no. / mfr. no.	Price	Stock
Vaillant fan VHR/5 30-34 for ecoTEC plus	8050188 Mfr. no. 0020135138	€251.11	In stock	View & order

Sensors for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (1) all Vaillant sensors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant sensor for e.g. ecoCOMPACT VSC 306/4-5 90 0020194075	8050579 Mfr. no. 0020194075	€48.14	Made-to-order item	View & order

Temperature sensors and NTC sensors for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (3) all Vaillant temperature sensors and NTC sensors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant NTC domestic hot water VHR 3/C	8058966 Mfr. no. 103429	€27.80	In stock	View & order
Vaillant NTC sensor 19 mm for ecoTEC plus	8051369 Mfr. no. 0020068120	€27.80	In stock	View & order
Vaillant sensor Vortex dn15 for ecoTEC	8053223 Mfr. no. 0020045923	€101.70	Made-to-order item	View & order

Pressure sensors for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (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	€22.44	In stock	View & order

Pumps for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (2) all Vaillant pumps →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pump for e.g. ecoCOMPACT VSC 306/4-5 90 0020174293	8050972 Mfr. no. 0020174293	€285.92	Made-to-order item	View & order
Vaillant pump for e.g. ecoCOMPACT VSC 306/4-5 90 0020186879	8050885 Mfr. no. 0020186879	€290.21	Made-to-order item	View & order

Heat exchangers for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (2) all Vaillant heat exchangers →

Part	Item no. / mfr. no.	Price	Stock
Vaillant plate heat exchanger 27 plates for e.g. ecoTEC plus VHR 30-34/5-5 0020144601	8050177 Mfr. no. 0020144601	€137.05	In stock	View & order
Vaillant heat exchanger CW5/5-3 for ecoTEC pro and ecoTEC plus	8056088 Mfr. no. 0020209546	€695.08	Made-to-order item	View & order

Gas valves and gas control for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (3) all Vaillant gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
Vaillant venturi 35-38 for ecoTEC plus	8050173 Mfr. no. 0020135124	€191.68	In stock	View & order
Vaillant gas section A25 natural gas	8050174 Mfr. no. 0020135144	€269.33	In stock	View & order
Vaillant gas section + regulator propane / natural gas	8050187 Mfr. no. 0020146733	€414.46	In stock	View & order

PCBs and controls for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (1) all Vaillant PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant PCB for e.g. ecoCOMPACT VSC 306/4-5 90 0020173977	8050973 Mfr. no. 0020173977	€247.37	Made-to-order item	View & order

Ignition and ionisation for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (1) all Vaillant ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
Vaillant electrode for ecoTEC plus and ecoTEC pro etc.	8050206 Mfr. no. 0020133816	€40.66	In stock	View & order

Expansion vessels for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (1) all Vaillant expansion vessels →

Part	Item no. / mfr. no.	Price	Stock
Vaillant expansion vessel 15 litre	8050874 Mfr. no. 179048	€178.82	In stock	View & order

Siphons and condensate drains for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (1) all Vaillant siphons and condensate drains →

Part	Item no. / mfr. no.	Price	Stock
Vaillant siphon for e.g. ecoCOMPACT VSC 306/4-5 90 0020130931	8051038 Mfr. no. 0020130931	€155.26	Made-to-order item	View & order

Burners for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (2) all Vaillant burners →

Part	Item no. / mfr. no.	Price	Stock
Vaillant burner VHR35-45 for ecoTEC plus and ecoTEC pro etc.	8057000 Mfr. no. 050430	€320.20	In stock	View & order
Vaillant burner plate for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020135118	8050176 Mfr. no. 0020135118	€173.46	In stock	View & order

Displays and controls for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (1) all Vaillant displays and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant display for e.g. ecoCOMPACT VSC 306/4-5 90 0020173978	8050814 Mfr. no. 0020173978	€111.35	Made-to-order item	View & order

Filters for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (1) all Vaillant filters →

Part	Item no. / mfr. no.	Price	Stock
Vaillant heating strainer complete	8051433 Mfr. no. 179030	€12.80	In stock	View & order

Valves for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (5) all Vaillant valves →

Part	Item no. / mfr. no.	Price	Stock
Vaillant bypass valve assembly	8051484 Mfr. no. 178980	€40.66	In stock	View & order
Vaillant air vent for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 0010033857	80501293 Mfr. no. 0010033857	€44.94	Made-to-order item	View & order
Vaillant drain valve for e.g. ecoCOMPACT VSC 306/4-5 90 0020186841	8050453 Mfr. no. 0020186841	€27.80	Made-to-order item	View & order
Vaillant service valve for e.g. uniSTOR VIH RW 200/2 B 0020187026	8050582 Mfr. no. 0020187026	€34.22	Made-to-order item	View & order
Vaillant non-return valve for e.g. ecoCOMPACT VSC 306/4-5 90 0020038605	8050866 Mfr. no. 0020038605	€47.08	Made-to-order item	View & order

Anodes for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (1) all Vaillant anodes →

Part	Item no. / mfr. no.	Price	Stock
Vaillant anode (g1 l=315)	8050714 Mfr. no. 295821	€71.71	Made-to-order item	View & order

Motors for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (1) all Vaillant motors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant service valve insulation	8050704 Mfr. no. 0020038596	€24.59	Made-to-order item	View & order

Electrical parts for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (3) all Vaillant electrical parts →

Part	Item no. / mfr. no.	Price	Stock
Vaillant coding plug PRO e set	8050246 Mfr. no. 0020136646	€50.29	Made-to-order item	View & order
Vaillant strain relief	8051468 Mfr. no. 078533	€48.14	Made-to-order item	View & order
Vaillant fuse 40at 10 pcs VHR10 to 45 for ecoTEC plus	8058553 Mfr. no. 251957	€31.01	Made-to-order item	View & order

Cables and wiring harnesses for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (4) all Vaillant cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant wiring harness for e.g. ecoCOMPACT VSC 306/4-5 150 R1 0020188637	90170198 Mfr. no. 0020188637	€93.13	Made-to-order item	View & order
Vaillant display cable for ecoTEC plus and ecoTEC pro etc.	8050314 Mfr. no. 0020136630	€24.59	Made-to-order item	View & order
Vaillant cable for e.g. ecoCOMPACT VSC 306/4-5 150 R1 0020186831	8050594 Mfr. no. 0020186831	€56.71	Made-to-order item	View & order
Vaillant wiring harness for e.g. ecoCOMPACT VSC 306/4-5 90 0020186878	8050727 Mfr. no. 0020186878	€65.28	Made-to-order item	View & order

Gaskets and seals for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (25) all Vaillant gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
Vaillant ignition pin gasket VHR for ecoTEC plus and ecoTEC pro etc.	8052535 Mfr. no. 981330	€16.02	In stock	View & order
Vaillant sealing ring C-type (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8051435 Mfr. no. 178969	€20.30	In stock	View & order
Vaillant burner gasket 102 x 59 x 1 VHR1018-2224-28SC3545 for ecoTEC plus and ecoTEC pro etc.	8054355 Mfr. no. 981103	€12.80	In stock	View & order
Vaillant gasket 3/4" (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8052292 Mfr. no. 981140	€17.09	In stock	View & order
Vaillant lip ring 80mm VHR354565	8057020 Mfr. no. 981227	€19.76	In stock	View & order
Vaillant gasket 1/2" (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8057027 Mfr. no. 981142	€16.02	In stock	View & order
Vaillant O-ring per 10 pcs for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 178991	8051432 Mfr. no. 178991	€24.59	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	€34.22	In stock	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) 193535	8051467 Mfr. no. 193535	€36.37	In stock	View & order
Vaillant siphon hose gasket	8052026 Mfr. no. 0020078062	€17.09	In stock	View & order
Vaillant fan gasket VHR 3/C for ecoTEC plus and ecoTEC pro etc.	8058959 Mfr. no. 193594	€17.09	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	€31.01	In stock	View & order
Vaillant gasket ring set 10 pcs for ecoTEC plus and ecoTEC pro etc.	8051476 Mfr. no. 193539	€44.94	In stock	View & order
Vaillant air intake pipe gasket for ecoTEC plus and ecoTEC	8050224 Mfr. no. 0020135149	€16.02	In stock	View & order
Vaillant gasket ring 10 pcs for ecoTEC plus (e.g. hrSOLIDE VHR 24-28 C) 981158	8057156 Mfr. no. 981158	€24.59	Made-to-order item	View & order
Vaillant O-ring (10 pcs) for e.g. hrSOLIDE VHR 24-28 C 981166	8057049 Mfr. no. 981166	€24.59	Made-to-order item	View & order
Vaillant lip seal 60mm VC/W/HR/3	8055143 Mfr. no. 981233	€36.37	Made-to-order item	View & order
Vaillant O-ring 10 pcs for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020135135	8050234 Mfr. no. 0020135135	€46.01	Made-to-order item	View & order
Vaillant O-ring venturi 5 pcs for ecoTEC plus	8058992 Mfr. no. 0020135120	€76.00	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	€23.52	Made-to-order item	View & order
Vaillant gasket for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020057555	8050692 Mfr. no. 0020057555	€32.09	Made-to-order item	View & order
Vaillant gasket for e.g. aroTHERM VWZ MEH 61 0020174525	8050477 Mfr. no. 0020174525	€24.59	Made-to-order item	View & order
Vaillant gasket for e.g. ecoCOMPACT VSC 306/4-5 90 0020186833	8050456 Mfr. no. 0020186833	€27.80	Made-to-order item	View & order
Vaillant gasket for e.g. ecoCOMPACT VSC 306/4-5 90 0020186834	8050454 Mfr. no. 0020186834	€24.59	Made-to-order item	View & order
Vaillant gasket 1/2g 10 pcs	8050536 Mfr. no. 0020073879	€24.59	Made-to-order item	View & order

Pipes, tubes and hoses for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (26) all Vaillant pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant concentric adapter Ø 60 / 100 mm PP ecoTEC excl. clamping band	0160793 Mfr. no. 0020144596	€24.05	In stock	View & order
Vaillant adapter piece 80/80mm	8050205 Mfr. no. 0020144597	€51.36	In stock	View & order
Vaillant air vent nipple	8051596 Mfr. no. 140015	€24.59	Made-to-order item	View & order
Vaillant gas pipe for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020135136	8050272 Mfr. no. 0020135136	€56.71	Made-to-order item	View & order
Vaillant gas pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020186844	8050728 Mfr. no. 0020186844	€71.71	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020174258	8050479 Mfr. no. 0020174258	€28.87	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020186835	8050732 Mfr. no. 0020186835	€67.43	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020186836	8050731 Mfr. no. 0020186836	€67.43	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020186840	8050729 Mfr. no. 0020186840	€71.71	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020186842	8050588 Mfr. no. 0020186842	€34.22	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020186845	8050587 Mfr. no. 0020186845	€46.01	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020186846	8050584 Mfr. no. 0020186846	€51.36	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020186847	8050583 Mfr. no. 0020186847	€47.08	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020198235	8050574 Mfr. no. 0020198235	€57.79	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020198236	8050573 Mfr. no. 0020198236	€56.71	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020198237	8050572 Mfr. no. 0020198237	€48.14	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020198248	8050437 Mfr. no. 0020198248	€27.80	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020173798	8050647 Mfr. no. 0020173798	€36.37	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020174259	8050646 Mfr. no. 0020174259	€48.14	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020186837	8050592 Mfr. no. 0020186837	€61.00	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020186838	8050591 Mfr. no. 0020186838	€61.00	Made-to-order item	View & order
Vaillant pipe for e.g. ecoCOMPACT VSC 306/4-5 90 0020186898	8050452 Mfr. no. 0020186898	€27.80	Made-to-order item	View & order
Vaillant pipe set l=548+513	8056979 Mfr. no. 0020196305	€51.36	Made-to-order item	View & order
Vaillant pipe l=51	8050478 Mfr. no. 0020174300	€24.59	Made-to-order item	View & order
Vaillant pipe l=95 d=18	8050481 Mfr. no. 0020174252	€11.74	Made-to-order item	View & order
Vaillant union	8050448 Mfr. no. 0020186899	€23.52	Made-to-order item	View & order

Casing and panels for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (12) all Vaillant casing and panels →

Part	Item no. / mfr. no.	Price	Stock
Vaillant cap 5 pcs VHR354565	8058292 Mfr. no. 147392	€36.37	In stock	View & order
Vaillant logo plate ecoCOMPACT	8050444 Mfr. no. 0020198240	€28.87	Made-to-order item	View & order
Vaillant cover for e.g. ecoCOMPACT VSC 306/4-5 90 0020188638	8054644 Mfr. no. 0020188638	€111.35	Made-to-order item	View & order
Vaillant protective cap for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020136647	8050307 Mfr. no. 0020136647	€24.59	Made-to-order item	View & order
Vaillant diagnostic connector cover	8050301 Mfr. no. 0020136640	€24.59	Made-to-order item	View & order
Vaillant controller cover	8050344 Mfr. no. 0020136633	€31.01	Made-to-order item	View & order
Vaillant cover for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020141346	8050672 Mfr. no. 0020141346	€34.22	Made-to-order item	View & order
Vaillant front panel door	8050878 Mfr. no. 0020188019	€158.47	Made-to-order item	View & order
Vaillant plate	8058255 Mfr. no. 139438	€12.80	Made-to-order item	View & order
Vaillant front panel for e.g. ecoCOMPACT VSC 306/4-5 90 0020188016	8050881 Mfr. no. 0020188016	€357.68	Made-to-order item	View & order
Vaillant side panel 90 litre cylinder	8050884 Mfr. no. 0020188012	€155.26	Made-to-order item	View & order
Vaillant side panel top	8050882 Mfr. no. 0020188015	€195.96	Made-to-order item	View & order

Insulation for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (6) all Vaillant insulation →

Part	Item no. / mfr. no.	Price	Stock
Vaillant burner plate insulation	8051481 Mfr. no. 193595	€58.32	In stock	View & order
Vaillant insulation 16mm with clips	8055024 Mfr. no. 0020143489	€48.68	In stock	View & order
Vaillant insulation for e.g. ecoCOMPACT VSC 306/4-5 90 0020194664	8050578 Mfr. no. 0020194664	€44.94	Made-to-order item	View & order
Vaillant insulation for e.g. ecoCOMPACT VSC 306/4-5 90 0020194665	8050576 Mfr. no. 0020194665	€44.94	Made-to-order item	View & order
Vaillant insulation for e.g. ecoCOMPACT VSC 306/4-5 90 0020194666	8050575 Mfr. no. 0020194666	€36.37	Made-to-order item	View & order
Vaillant insulation for e.g. ecoCOMPACT VSC 306/4-5 90 0020198244	8050439 Mfr. no. 0020198244	€23.52	Made-to-order item	View & order

Fixing material for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (31) all Vaillant fixing material →

Part	Item no. / mfr. no.	Price	Stock
Vaillant mounting plate plate heat exchanger	8051502 Mfr. no. 178965	€135.97	In stock	View & order
Vaillant screw 10 pcs burner VHR Solide for ecoTEC plus and ecoTEC pro etc.	8055903 Mfr. no. 105900	€25.66	In stock	View & order
Vaillant retainer for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 0020107694	8050116 Mfr. no. 0020107694	€28.87	In stock	View & order
Vaillant retaining spring 5 pcs VU/WVC/WVHR254XE	8050032 Mfr. no. 0020107702	€24.59	Made-to-order item	View & order
Vaillant screw 0020073877, 10 pcs	8055017 Mfr. no. 0020073877	€11.74	Made-to-order item	View & order
Vaillant screw 10 pcs MAG11-2/014-2/017-2/0	8056717 Mfr. no. 108628	€25.66	Made-to-order item	View & order
Vaillant Torx screw M6 x 20 mm per 10 pcs	8051431 Mfr. no. 193597	€32.09	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	€39.58	In stock	View & order
Vaillant screw complete set 10 pcs	8051549 Mfr. no. 509685	€24.59	Made-to-order item	View & order
Vaillant screw 0020136643, 10 pcs	8050297 Mfr. no. 0020136643	€23.52	Made-to-order item	View & order
Vaillant screw 0020133833, 10 pcs	8050305 Mfr. no. 0020133833	€23.52	Made-to-order item	View & order
Vaillant screw 0020133828, 10 pcs	8050316 Mfr. no. 0020133828	€23.52	Made-to-order item	View & order
Vaillant screw 0020173984, 10 pcs	8053905 Mfr. no. 0020173984	€23.52	Made-to-order item	View & order
Vaillant retaining spring for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 178981	8051422 Mfr. no. 178981	€25.66	Made-to-order item	View & order
Vaillant retaining spring for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 178966	8051421 Mfr. no. 178966	€25.66	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	€48.14	Made-to-order item	View & order
Vaillant clip for e.g. aroTHERM VWL 55/3 A 230V 0020174526	8050476 Mfr. no. 0020174526	€28.87	Made-to-order item	View & order
Vaillant clip 10 pcs for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020136636	8050278 Mfr. no. 0020136636	€51.36	Made-to-order item	View & order
Vaillant clip rivet for e.g. ecoCOMPACT VSC 306/4-5 90 0020186839	8050589 Mfr. no. 0020186839	€56.71	Made-to-order item	View & order
Vaillant grommet for e.g. ecoCOMPACT VSC 306/4-5 90 0020198249	8050429 Mfr. no. 0020198249	€24.59	Made-to-order item	View & order
Vaillant grommet 10 pcs	8050571 Mfr. no. 0020198252	€28.87	Made-to-order item	View & order
Vaillant holder for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020135114	8050241 Mfr. no. 0020135114	€35.29	Made-to-order item	View & order
Vaillant holder complete for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 178984	8051485 Mfr. no. 178984	€76.00	Made-to-order item	View & order
Vaillant gas valve holder for ecoTEC plus	8058993 Mfr. no. 0020135145	€48.14	Made-to-order item	View & order
Vaillant case holder 2 pcs	8050308 Mfr. no. 0020144611	€24.59	Made-to-order item	View & order
Vaillant air intake pipe holder VHR/5 25-38	8050315 Mfr. no. 0020135151	€24.59	Made-to-order item	View & order
Vaillant holder per 2 pcs	8051413 Mfr. no. 193536	€23.52	Made-to-order item	View & order
Vaillant clamping band for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020135121	8050303 Mfr. no. 0020135121	€23.52	Made-to-order item	View & order
Vaillant nut 5 pcs for e.g. hrSOLIDE VHR 24-28 C 0020026537	8059506 Mfr. no. 0020026537	€27.80	Made-to-order item	View & order
Vaillant ring 10 pcs for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020135152	8050302 Mfr. no. 0020135152	€23.52	Made-to-order item	View & order
Vaillant closure (4 pcs)	8053998 Mfr. no. 0020196308	€59.93	Made-to-order item	View & order

Other parts for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 (15)

Part	Item no. / mfr. no.	Price	Stock
Vaillant gasket set I for ecoTEC plus and ecoTEC pro etc.	8055580 Mfr. no. 0020025929	€22.44	In stock	View & order
Vaillant three-way valve VHR CW34/3 ecoTEC plus R4	8058951 Mfr. no. 0020020015	€132.23	In stock	View & order
Vaillant spark plug cap	8058980 Mfr. no. 0020075412	€22.44	In stock	View & order
Vaillant sight glass VHR1018-2224-283545	8057022 Mfr. no. 161245	€18.16	In stock	View & order
Vaillant pre-injector (blue) natural gas	8050217 Mfr. no. 0020135127	€53.51	In stock	View & order
Vaillant pre-injector (grey) propane	8050218 Mfr. no. 0020135128	€56.71	In stock	View & order
Vaillant connection for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020140559	8050284 Mfr. no. 0020140559	€57.79	Made-to-order item	View & order
Vaillant retainer for e.g. ecoTEC plus VHR 30-34/5-5 R3 0020135117	8050318 Mfr. no. 0020135117	€25.66	Made-to-order item	View & order
Vaillant box front wall	8050216 Mfr. no. 0020136631	€71.71	Made-to-order item	View & order
Vaillant instrument panel for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020198238	8052166 Mfr. no. 0020198238	€69.58	Made-to-order item	View & order
Vaillant adjustable foot	8054027 Mfr. no. 0020198221	€23.52	Made-to-order item	View & order
Vaillant adapter piece for e.g. uniTOWER VIH QW 190/1 E (0010019709) 179053	8050567 Mfr. no. 179053	€25.66	Made-to-order item	View & order
Vaillant restrictor	8050721 Mfr. no. 117215	€61.00	Made-to-order item	View & order
Vaillant grease (copper grease) 10 pcs of 2 grams	8050491 Mfr. no. 0020166692	€27.80	Made-to-order item	View & order
Vaillant storage cylinder 90l	8050877 Mfr. no. 0020188482	€1,189.92	Made-to-order item	View & order

Exploded views of the Vaillant ecoCOMPACT VSC 306/4-5 90 R1

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

Vaillant ecoCOMPACT VSC 306/4-5 90 R1 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 ecoCOMPACT VSC 306/4-5 90 R1? 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

← All Vaillant parts

Frequently asked questions

Which parts are available for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1?

The catalogue lists 150 original parts for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1, including fans, sensors, temperature sensors and NTC sensors, pressure sensors. All parts are listed above, grouped by type, with part number and price.

How much does a fan for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 cost?

The fans for this model cost €251.11 incl. VAT. Check the table "Fans" above for the right part number.

Are the parts for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 in stock?

43 of the 150 parts are in stock; shipping €9.95 to Austria, Denmark, Italy, Spain and Sweden and €12.95 to the other EU countries, free from €199, 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 ecoCOMPACT VSC 306/4-5 90 R1?

Search for the part by part number or use the exploded view of the Vaillant ecoCOMPACT VSC 306/4-5 90 R1.

Are these original Vaillant parts?

Yes. All 150 parts in this list are original manufacturer parts for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1, delivered with the correct part number.

How much do parts for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 cost?

Parts for the Vaillant ecoCOMPACT VSC 306/4-5 90 R1 range from €11.74 to €1,189.92 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.