Vaillant ecoTEC plus VC 806/5-5 R3 spare parts

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In brief

Instalpunt supplies 102 original parts for the Vaillant ecoTEC plus VC 806/5-5 R3, including fans, sensors, temperature sensors and NTC sensors. Order online.

102Spare parts
10In stock
€6.36From
20Types
availableExploded view

Looking for parts for the Vaillant ecoTEC plus VC 806/5-5 R3 (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 VC 806/5-5 R3

Part	From	Delivery
Temperature sensor Vaillant sensor for ecoTEC plus (e.g. ecoTEC plus VHR 45/4 S A) 0020045972	€45.31	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 display for ecoTEC plus (e.g. ecoTEC plus VHR 30-34/5-5 R3) 0020136628	€89.59	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).

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 ecoTEC plus VC 806/5-5 R3 (1) all Vaillant fans →

Part	Item no. / mfr. no.	Price	Stock
Vaillant fan for ecoTEC plus (ecoTEC plus VC 806/5-5 R3) 0020197027	80500496 Mfr. no. 0020197027	€426.55	Made-to-order item	View & order

Sensors for the Vaillant ecoTEC plus VC 806/5-5 R3 (2) all Vaillant sensors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant temperature limiter for e.g. ecoTEC plus VC 806/5-5 R3 0020143455	80500287 Mfr. no. 0020143455	€60.43	Made-to-order item	View & order
Vaillant temperature limiter for e.g. ecoTEC plus VC 806/5-5 R3 0020143456	80500288 Mfr. no. 0020143456	€70.15	Made-to-order item	View & order

Temperature sensors and NTC sensors for the Vaillant ecoTEC plus VC 806/5-5 R3 (2) all Vaillant temperature sensors and NTC sensors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant sensor for ecoTEC plus (e.g. ecoTEC plus VHR 45/4 S A) 0020045972	8059820 Mfr. no. 0020045972	€45.31	In stock	View & order
Vaillant sensor for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020143502	80500292 Mfr. no. 0020143502	€56.11	In stock	View & order

Pressure switches and differential pressure switches for the Vaillant ecoTEC plus VC 806/5-5 R3 (1) all Vaillant pressure switches and differential pressure switches →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pressure switch for e.g. ecoTEC plus VC 806/5-5 R3 0020195223	80500309 Mfr. no. 0020195223	€121.99	Made-to-order item	View & order

Pumps for the Vaillant ecoTEC plus VC 806/5-5 R3 (1) all Vaillant pumps →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pump for ecoTEC plus (ecoTEC plus VC 806/5-5 R3) 0020143540	80500484 Mfr. no. 0020143540	€592.87	Made-to-order item	View & order

Heat exchangers for the Vaillant ecoTEC plus VC 806/5-5 R3 (1) all Vaillant heat exchangers →

Part	Item no. / mfr. no.	Price	Stock
Vaillant heat exchanger for ecoTEC plus (ecoTEC plus VC 806/5-5 R3) 0020173388	80500488 Mfr. no. 0020173388	€2,112.43	Made-to-order item	View & order

Gas valves and gas control for the Vaillant ecoTEC plus VC 806/5-5 R3 (1) all Vaillant gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gas valve	80500473 Mfr. no. 0020143438	€298.03	Made-to-order item	View & order

PCBs and controls for the Vaillant ecoTEC plus VC 806/5-5 R3 (1) all Vaillant PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant PCB for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020140423	80500472 Mfr. no. 0020140423	€208.39	Made-to-order item	View & order

Siphons and condensate drains for the Vaillant ecoTEC plus VC 806/5-5 R3 (1) all Vaillant siphons and condensate drains →

Part	Item no. / mfr. no.	Price	Stock
Vaillant siphon for ecoTEC plus	80500163 Mfr. no. 0020143505	€60.43	Made-to-order item	View & order

Burners for the Vaillant ecoTEC plus VC 806/5-5 R3 (1) all Vaillant burners →

Part	Item no. / mfr. no.	Price	Stock
Vaillant burner for ecoTEC plus (ecoTEC plus VC 806/5-5 R3) 0020143447	80500474 Mfr. no. 0020143447	€265.63	Made-to-order item	View & order

Displays and controls for the Vaillant ecoTEC plus VC 806/5-5 R3 (2) all Vaillant displays and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant display for ecoTEC plus (e.g. ecoTEC plus VHR 30-34/5-5 R3) 0020136628	8050221 Mfr. no. 0020136628	€89.59	In stock	View & order
Vaillant off switch knob	8050306 Mfr. no. 0020136642	€29.11	Made-to-order item	View & order

Valves for the Vaillant ecoTEC plus VC 806/5-5 R3 (3) all Vaillant valves →

Part	Item no. / mfr. no.	Price	Stock
Vaillant air vent for e.g. ecoTEC plus VC 806/5-5 R3 0020143508	80500293 Mfr. no. 0020143508	€64.75	Made-to-order item	View & order
Vaillant safety valve 6 bar	80500303 Mfr. no. 0020174846	€97.15	Made-to-order item	View & order
Vaillant drain valve VHR4565	8058081 Mfr. no. 106350	€48.55	Made-to-order item	View & order

Pressure gauges for the Vaillant ecoTEC plus VC 806/5-5 R3 (1) all Vaillant pressure gauges →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pressure gauge for ecoTEC plus	80500290 Mfr. no. 0020143495	€61.51	Made-to-order item	View & order

Electrical parts for the Vaillant ecoTEC plus VC 806/5-5 R3 (5) all Vaillant electrical parts →

Part	Item no. / mfr. no.	Price	Stock
Vaillant transformer	80500151 Mfr. no. 0020143448	€48.55	Made-to-order item	View & order
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
Vaillant fuse 40at 10 pcs VHR10 to 45 for ecoTEC plus	8058553 Mfr. no. 251957	€31.27	Made-to-order item	View & order

Cables and wiring harnesses for the Vaillant ecoTEC plus VC 806/5-5 R3 (5) all Vaillant cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant cable for e.g. ecoTEC plus VC 806/5-5 R3 0020143533	80500042 Mfr. no. 0020143533	€24.79	Made-to-order item	View & order
Vaillant wiring harness for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020143464	80500155 Mfr. no. 0020143464	€61.51	Made-to-order item	View & order
Vaillant wiring harness for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020143465	80500156 Mfr. no. 0020143465	€53.95	Made-to-order item	View & order
Vaillant wiring harness for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020144361	80500299 Mfr. no. 0020144361	€109.03	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

Gasket sets for the Vaillant ecoTEC plus VC 806/5-5 R3 (3) all Vaillant gasket sets →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gasket set for ecoTEC plus (ecoTEC plus VC 806/5-5 R3) 0020143498	80500161 Mfr. no. 0020143498	€57.19	Made-to-order item	View & order
Vaillant gasket set for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020143522	80500297 Mfr. no. 0020143522	€94.99	Made-to-order item	View & order
Vaillant gasket set 80 kW for ecoTEC plus	80501551 Mfr. no. 0020272054	€154.39	Made-to-order item	View & order

Gaskets and seals for the Vaillant ecoTEC plus VC 806/5-5 R3 (15) all Vaillant gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gasket gas valve/fan VHR1018-2224-28SC3545 for ecoTEC plus	8052557 Mfr. no. 981104	€20.47	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 gasket ring 10 pcs for ecoTEC plus (e.g. hrSOLIDE VHR 24-28 C) 981158	8057156 Mfr. no. 981158	€24.79	Made-to-order item	View & order
Vaillant lip ring air intake pipe VHR1018-2224-28SC3545	8057024 Mfr. no. 981111	€12.91	In stock	View & order
Vaillant O-ring 10 pcs for ecoTEC plus VC 806/5-5 R3 0020143459	80500152 Mfr. no. 0020143459	€59.35	Made-to-order item	View & order
Vaillant gasket for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020085468	80500015 Mfr. no. 0020085468	€29.11	Made-to-order item	View & order
Vaillant gasket for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020143442	80500028 Mfr. no. 0020143442	€28.03	Made-to-order item	View & order
Vaillant gasket for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020143444	80500029 Mfr. no. 0020143444	€28.03	Made-to-order item	View & order
Vaillant gasket for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020143461	80500031 Mfr. no. 0020143461	€24.79	Made-to-order item	View & order
Vaillant gasket for ecoTEC plus (ecoTEC plus VC 806/5-5 R3) 0020197032	80500180 Mfr. no. 0020197032	€48.55	Made-to-order item	View & order
Vaillant burner door gasket	80500306 Mfr. no. 0020188930	€90.67	In stock	View & order
Vaillant sealing ring 10 pcs for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020143526	80500039 Mfr. no. 0020143526	€25.87	Made-to-order item	View & order
Vaillant sealing ring 10 pcs for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020143460	80500153 Mfr. no. 0020143460	€35.59	Made-to-order item	View & order
Vaillant sealing ring 10 pcs for ecoTEC plus (e.g. ecoTEC plus VC 806/5-5 R3) 0020143503	80500162 Mfr. no. 0020143503	€34.51	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

Pipes, tubes and hoses for the Vaillant ecoTEC plus VC 806/5-5 R3 (13) all Vaillant pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant adapter piece 110/160 mm	80500296 Mfr. no. 0020143521	€114.43	Made-to-order item	View & order
Vaillant gas pipe for ecoTEC plus VC 806/5-5 R3 0020143457	80500475 Mfr. no. 0020143457	€131.71	Made-to-order item	View & order
Vaillant gas pipe for e.g. ecoTEC plus VC 806/5-5 R3 0020143458	80500476 Mfr. no. 0020143458	€209.47	Made-to-order item	View & order
Vaillant pipe for e.g. ecoTEC plus VC 806/5-5 R3 0020143511	80500165 Mfr. no. 0020143511	€50.71	Made-to-order item	View & order
Vaillant pipe for e.g. ecoTEC plus VC 806/5-5 R3 0020143542	80500298 Mfr. no. 0020143542	€97.15	Made-to-order item	View & order
Vaillant pipe for e.g. ecoTEC plus VC 806/5-5 R3 0020143471	80500479 Mfr. no. 0020143471	€197.59	Made-to-order item	View & order
Vaillant pipe for e.g. ecoTEC plus VC 806/5-5 R3 0020143538	80500483 Mfr. no. 0020143538	€214.87	Made-to-order item	View & order
Vaillant air intake pipe for ecoTEC plus VC 806/5-5 R3 0020143452	80500286 Mfr. no. 0020143452	€72.31	Made-to-order item	View & order
Vaillant flue pipe for ecoTEC plus VC 806/5-5 R3 0020143499	80500291 Mfr. no. 0020143499	€99.31	Made-to-order item	View & order
Vaillant hose for e.g. ecoTEC plus VC 806/5-5 R3 0020143491	80500036 Mfr. no. 0020143491	€35.59	In stock	View & order
Vaillant hose for e.g. ecoTEC plus VC 806/5-5 R3 0020069075	80500133 Mfr. no. 0020069075	€36.67	Made-to-order item	View & order
Vaillant pipe with sensor for ecoTEC plus	80501680 Mfr. no. 0010031609	€150.07	Made-to-order item	View & order
Vaillant gas coupling 1"	8050990 Mfr. no. 080075	€57.19	Made-to-order item	View & order

Casing and panels for the Vaillant ecoTEC plus VC 806/5-5 R3 (10) all Vaillant casing and panels →

Part	Item no. / mfr. no.	Price	Stock
Vaillant fan cover for ecoTEC plus	80500170 Mfr. no. 0020173396	€46.39	Made-to-order item	View & order
Vaillant cover for e.g. ecoTEC plus VC 806/5-5 R3 0020143517	80500294 Mfr. no. 0020143517	€92.83	Made-to-order item	View & order
Vaillant front panel for e.g. ecoTEC plus VC 806/5-5 R3 0020143518	80500482 Mfr. no. 0020143518	€207.31	Made-to-order item	View & order
Vaillant side panel for e.g. ecoTEC plus VC 806/5-5 R3 0020195224	80500495 Mfr. no. 0020195224	€155.47	Made-to-order item	View & order
Vaillant cover, combustion chamber 80 kW	80501242 Mfr. no. 0020272048	€214.87	Made-to-order item	View & order
Vaillant diagnostic connector cover	8050301 Mfr. no. 0020136640	€24.79	Made-to-order item	View & order
Vaillant controller cover	8050344 Mfr. no. 0020136633	€31.27	Made-to-order item	View & order
Vaillant cover for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020141346	8050672 Mfr. no. 0020141346	€34.51	Made-to-order item	View & order
Vaillant type designation plate ecoTEC	8050311 Mfr. no. 0020141349	€25.87	Made-to-order item	View & order
Vaillant plate	8058255 Mfr. no. 139438	€12.91	Made-to-order item	View & order

Fixing material for the Vaillant ecoTEC plus VC 806/5-5 R3 (30) 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 retaining spring 5 pcs VU/WVC/WVHR254XE	8050032 Mfr. no. 0020107702	€24.79	Made-to-order item	View & order
Vaillant screw 10 pcs VHR354565	8058079 Mfr. no. 105839	€32.35	Made-to-order item	View & order
Vaillant screw complete set 10 pcs	8051549 Mfr. no. 509685	€24.79	Made-to-order item	View & order
Vaillant screw set of 10 pcs for drill hole 3 mm	8051572 Mfr. no. 193538	€24.79	Made-to-order item	View & order
Vaillant screw 0020136643, 10 pcs	8050297 Mfr. no. 0020136643	€23.71	Made-to-order item	View & order
Vaillant screw m6x20 iso 14583	8050533 Mfr. no. 0020081364	€26.95	Made-to-order item	View & order
Vaillant spacer 2 pcs for e.g. ecoTEC plus VC 806/5-5 R3 0020144363	80500043 Mfr. no. 0020144363	€24.79	Made-to-order item	View & order
Vaillant fixing set for ecoTEC plus VC 806/5-5 R3 0020143453	80500030 Mfr. no. 0020143453	€28.03	Made-to-order item	View & order
Vaillant mounting set for e.g. ecoTEC plus VC 806/5-5 R3 0020143462	80500154 Mfr. no. 0020143462	€47.47	Made-to-order item	View & order
Vaillant clip for ecoTEC plus VC 806/5-5 R3 0020127454	80500022 Mfr. no. 0020127454	€23.71	Made-to-order item	View & order
Vaillant clip 10 pcs for e.g. aroTHERM Split plus VWL 55/8.2 AS 230V 0020143532	80500041 Mfr. no. 0020143532	€28.03	Made-to-order item	View & order
Vaillant grommet for e.g. ecoTEC plus VC 806/5-5 R3 0020143530	80500040 Mfr. no. 0020143530	€28.03	Made-to-order item	View & order
Vaillant grommet for e.g. ecoTEC plus VC 806/5-5 R3 0020173395	80500169 Mfr. no. 0020173395	€32.35	Made-to-order item	View & order
Vaillant holder for e.g. ecoTEC plus VC 806/5-5 R3 0020143481	80500034 Mfr. no. 0020143481	€23.71	Made-to-order item	View & order
Vaillant holder for e.g. ecoTEC plus VC 806/5-5 R3 0020143531	80500168 Mfr. no. 0020143531	€52.87	Made-to-order item	View & order
Vaillant nut for e.g. ecoTEC plus VC 806/5-5 R3 0020143506	80500037 Mfr. no. 0020143506	€24.79	Made-to-order item	View & order
Vaillant ring 10 pcs for ecoTEC plus VC 806/5-5 R3 0020143488	80500035 Mfr. no. 0020143488	€23.71	Made-to-order item	View & order
Vaillant ring 10 pcs for e.g. ecoTEC plus VC 806/5-5 R3 0020144366	80500044 Mfr. no. 0020144366	€26.95	Made-to-order item	View & order
Vaillant hinge for e.g. ecoTEC plus VC 806/5-5 R3 0020195222	80500178 Mfr. no. 0020195222	€46.39	Made-to-order item	View & order
Vaillant screw 0020143441, 10 pcs	80500027 Mfr. no. 0020143441	€23.71	Made-to-order item	View & order
Vaillant screw 0020143523, 10 pcs	80500038 Mfr. no. 0020143523	€23.71	Made-to-order item	View & order
Vaillant screw 0020160125, 10 pcs	80500046 Mfr. no. 0020160125	€24.79	Made-to-order item	View & order
Vaillant screw 105901, 10 pcs	80500265 Mfr. no. 105901	€29.11	Made-to-order item	View & order
Vaillant plug 2 pcs	80500167 Mfr. no. 0020143524	€34.51	Made-to-order item	View & order
Vaillant nut 10 pcs for e.g. ecoTEC plus VC 806/5-5 R3 0020272058	80501319 Mfr. no. 0020272058	€24.79	Made-to-order item	View & order
Vaillant retaining spring 10 pcs for e.g. aroTHERM Pro VWL 75/7.1 A 230V 219660	8059631 Mfr. no. 219660	€34.51	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 case holder 2 pcs	8050308 Mfr. no. 0020144611	€24.79	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	€23.71	Made-to-order item	View & order

Other parts for the Vaillant ecoTEC plus VC 806/5-5 R3 (3)

Part	Item no. / mfr. no.	Price	Stock
Vaillant electrode maintenance set for ecoTEC plus	80500284 Mfr. no. 0020143440	€86.35	In stock	View & order
Vaillant flap for e.g. ecoTEC plus VC 806/5-5 R3 0020143519	80500295 Mfr. no. 0020143519	€92.83	Made-to-order item	View & order
Vaillant box front wall	8050216 Mfr. no. 0020136631	€72.31	Made-to-order item	View & order

Exploded views of the Vaillant ecoTEC plus VC 806/5-5 R3

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

Vaillant ecoTEC plus VC 806/5-5 R3 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 VC 806/5-5 R3? 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	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
F.037	Obstruction in the product's air duct, fan motor defective or not connected, connection between the main PCB and the fan PCB damaged or interrupted	Fans

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 VC 806/5-5 R3?

The catalogue lists 102 original parts for the Vaillant ecoTEC plus VC 806/5-5 R3, including fans, sensors, temperature sensors and NTC sensors, pressure switches and differential pressure switches. All parts are listed above, grouped by type, with part number and price.

How much does a fan for the Vaillant ecoTEC plus VC 806/5-5 R3 cost?

The fans for this model cost €550.42 incl. VAT. Check the table "Fans" above for the right part number.

Are the parts for the Vaillant ecoTEC plus VC 806/5-5 R3 in stock?

10 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 VC 806/5-5 R3?

Search for the part by part number or use the exploded view of the Vaillant ecoTEC plus VC 806/5-5 R3.

Are these original Vaillant parts?

Yes. All 102 parts in this list are original manufacturer parts for the Vaillant ecoTEC plus VC 806/5-5 R3, delivered with the correct part number.

How much do parts for the Vaillant ecoTEC plus VC 806/5-5 R3 cost?

Parts for the Vaillant ecoTEC plus VC 806/5-5 R3 range from €6.36 to €2,780.35 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.