Vaillant aroTHERM VWL 125/6 A 400V spare parts

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In brief

Instalpunt supplies 111 original parts for the Vaillant aroTHERM VWL 125/6 A 400V, including fans, sensors, pressure sensors. Order online.

111Spare parts
7In stock
€13.57From
20Types
availableExploded view

Looking for parts for the Vaillant aroTHERM VWL 125/6 A 400V (heat pump)? Below are all 111 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 aroTHERM VWL 125/6 A 400V

Part	From	Delivery
Fan Vaillant fan for e.g. aroTHERM VWL 75/6 A 0010034495	€495.85	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).

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 aroTHERM VWL 125/6 A 400V (1) all Vaillant fans →

Part	Item no. / mfr. no.	Price	Stock
Vaillant fan for e.g. aroTHERM VWL 75/6 A 0010034495	80502093 Mfr. no. 0010034495	€495.85	In stock	View & order

Sensors for the Vaillant aroTHERM VWL 125/6 A 400V (6) all Vaillant sensors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant temperature sensor	8050664 Mfr. no. 0020148022	€37.44	Made-to-order item	View & order
Vaillant sensor for e.g. aroTHERM Pro VWL 75/7.1 A 230V 0020269357	80501001 Mfr. no. 0020269357	€24.59	In stock	View & order
Vaillant frost protection, condensate drain	80501135 Mfr. no. 0010027548	€159.54	Made-to-order item	View & order
Vaillant temperature limiter	80501661 Mfr. no. 0010033541	€76.00	Made-to-order item	View & order
Vaillant sensor	80501675 Mfr. no. 0010033542	€120.98	Made-to-order item	View & order
Vaillant sensor 0010033543	80502053 Mfr. no. 0010033543	€124.20	Made-to-order item	View & order

Pressure sensors for the Vaillant aroTHERM VWL 125/6 A 400V (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

Pressure switches and differential pressure switches for the Vaillant aroTHERM VWL 125/6 A 400V (1) all Vaillant pressure switches and differential pressure switches →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pressure switch 0010033539	80501979 Mfr. no. 0010033539	€96.35	Made-to-order item	View & order

Pumps for the Vaillant aroTHERM VWL 125/6 A 400V (2) all Vaillant pumps →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pump (units up to 11/2020)	80502106 Mfr. no. 0010034353	€409.10	Made-to-order item	View & order
Vaillant pump G1 (units from 12-2020)	80599906 Mfr. no. 0010038438	€409.10	Made-to-order item	View & order

Heat exchangers for the Vaillant aroTHERM VWL 125/6 A 400V (1) all Vaillant heat exchangers →

Part	Item no. / mfr. no.	Price	Stock
Vaillant condenser 0010033532	80502098 Mfr. no. 0010033532	€900.72	Made-to-order item	View & order

PCBs and controls for the Vaillant aroTHERM VWL 125/6 A 400V (1) all Vaillant PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant PCB, installer board 3PH	80501140 Mfr. no. 0020233814	€182.03	In stock	View & order

Expansion valves for the Vaillant aroTHERM VWL 125/6 A 400V (1) all Vaillant expansion valves →

Part	Item no. / mfr. no.	Price	Stock
Vaillant expansion valve 0010033535	80501978 Mfr. no. 0010033535	€95.28	Made-to-order item	View & order

Compressors for the Vaillant aroTHERM VWL 125/6 A 400V (1) all Vaillant compressors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant compressor 0010033529	80502096 Mfr. no. 0010033529	€1,401.98	Made-to-order item	View & order

Siphons and condensate drains for the Vaillant aroTHERM VWL 125/6 A 400V (1) all Vaillant siphons and condensate drains →

Part	Item no. / mfr. no.	Price	Stock
Vaillant condensate drain	80500990 Mfr. no. 0020268739	€21.37	Made-to-order item	View & order

Filters for the Vaillant aroTHERM VWL 125/6 A 400V (3) all Vaillant filters →

Part	Item no. / mfr. no.	Price	Stock
Vaillant filter for e.g. aroTHERM Pro VWL 75/7.1 A 230V 0020266439	80501069 Mfr. no. 0020266439	€51.36	In stock	View & order
Vaillant mains filter, ferrite for e.g. aroTHERM VWL 125/6 A 400V 0010034964	80501648 Mfr. no. 0010034964	€31.01	Made-to-order item	View & order
Vaillant filter for e.g. aroTHERM Pro VWL 75/7.1 A 230V 0020175862	8051919 Mfr. no. 0020175862	€29.94	Made-to-order item	View & order

Valves for the Vaillant aroTHERM VWL 125/6 A 400V (3) all Vaillant valves →

Part	Item no. / mfr. no.	Price	Stock
Vaillant air vent for e.g. aroTHERM VWL 75/6 A 0020278074	80500932 Mfr. no. 0020278074	€38.51	In stock	View & order
Vaillant valve, Schrader (x5)	80500948 Mfr. no. 0010027681	€32.09	Made-to-order item	View & order
Vaillant valve - for e.g. aroTHERM VWL 125/6 A 400V 0010033538	80501665 Mfr. no. 0010033538	€123.12	Made-to-order item	View & order

Heating elements for the Vaillant aroTHERM VWL 125/6 A 400V (1) all Vaillant heating elements →

Part	Item no. / mfr. no.	Price	Stock
Vaillant resistor, compressor 0010033559	80501982 Mfr. no. 0010033559	€65.28	Made-to-order item	View & order

Electrical parts for the Vaillant aroTHERM VWL 125/6 A 400V (4) all Vaillant electrical parts →

Part	Item no. / mfr. no.	Price	Stock
Vaillant coil for e.g. aroTHERM VWL 75/6 A 0020266434	80501067 Mfr. no. 0020266434	€61.00	Made-to-order item	View & order
Vaillant coil for e.g. aroTHERM VWL 125/6 A 400V 0020266489	80501222 Mfr. no. 0020266489	€304.14	Made-to-order item	View & order
Vaillant coil 0010033536	80501944 Mfr. no. 0010033536	€70.64	Made-to-order item	View & order
Vaillant fuse (10 pcs)	80508196 Mfr. no. 0020185728	€28.87	Made-to-order item	View & order

Cables and wiring harnesses for the Vaillant aroTHERM VWL 125/6 A 400V (11) all Vaillant cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant wiring harness for e.g. aroTHERM Pro VWL 75/7.1 A 230V 0020210656	90170125 Mfr. no. 0020210656	€34.22	Made-to-order item	View & order
Vaillant connector for e.g. aroTHERM Pro VWL 75/7.1 A 230V 0020266328	80500906 Mfr. no. 0020266328	€27.80	Made-to-order item	View & order
Vaillant wiring harness, pump	80501666 Mfr. no. 0010034927	€62.08	Made-to-order item	View & order
Vaillant connector, set 0010034415	80501844 Mfr. no. 0010034415	€48.14	Made-to-order item	View & order
Vaillant wiring harness, inverter compressor 0010034467	80502088 Mfr. no. 0010034467	€194.88	Made-to-order item	View & order
Vaillant wiring harness, 400V 0010034490	80502091 Mfr. no. 0010034490	€259.15	Made-to-order item	View & order
Vaillant wiring harness 0010034924	80501958 Mfr. no. 0010034924	€63.14	Made-to-order item	View & order
Vaillant connector, coding 0010035383	80501760 Mfr. no. 0010035383	€26.72	Made-to-order item	View & order
Vaillant connector, coding 0010035385	80501762 Mfr. no. 0010035385	€27.80	Made-to-order item	View & order
Vaillant cable 0010034470	80501763 Mfr. no. 0010034470	€25.66	Made-to-order item	View & order
Vaillant wiring harness, 24V 0010034933	80502061 Mfr. no. 0010034933	€208.81	Made-to-order item	View & order

Gaskets and seals for the Vaillant aroTHERM VWL 125/6 A 400V (5) all Vaillant gaskets and seals →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gasket for e.g. aroTHERM VWL 75/6 A 0020266357	80500981 Mfr. no. 0020266357	€33.16	Made-to-order item	View & order
Vaillant O-ring for e.g. aroTHERM VWL 75/6 A 981377	8059560 Mfr. no. 981377	€31.01	Made-to-order item	View & order
Vaillant sealing ring (10 pcs) VHR4565S for ecoTEC plus	8058890 Mfr. no. 981272	€31.01	Made-to-order item	View & order
Vaillant sealing ring for e.g. aroTHERM VWL 75/6 A 0020032001	8059534 Mfr. no. 0020032001	€25.66	Made-to-order item	View & order
Vaillant sealing ring 1.1/2"	8059563 Mfr. no. 0020038759	€27.80	Made-to-order item	View & order

Pipes, tubes and hoses for the Vaillant aroTHERM VWL 125/6 A 400V (10) all Vaillant pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pipe for e.g. aroTHERM VWL 75/6 A 0010034356	80501681 Mfr. no. 0010034356	€122.05	Made-to-order item	View & order
Vaillant pipe 0010033556	80501865 Mfr. no. 0010033556	€56.71	Made-to-order item	View & order
Vaillant pipe 0010033550	80502102 Mfr. no. 0010033550	€279.50	Made-to-order item	View & order
Vaillant pipe 0010033552	80502104 Mfr. no. 0010033552	€223.80	Made-to-order item	View & order
Vaillant pipe 0010034347	80502105 Mfr. no. 0010034347	€160.61	Made-to-order item	View & order
Vaillant pipe 0010034359	80502107 Mfr. no. 0010034359	€161.69	Made-to-order item	View & order
Vaillant pipe 0010034365	80502109 Mfr. no. 0010034365	€282.72	Made-to-order item	View & order
Vaillant pipe 0010033554	80501969 Mfr. no. 0010033554	€59.93	Made-to-order item	View & order
Vaillant pipe 0010033558	80501981 Mfr. no. 0010033558	€55.64	Made-to-order item	View & order
Vaillant hose for e.g. aroTHERM VWL 75/6 A 0020060808	8053979 Mfr. no. 0020060808	€25.66	Made-to-order item	View & order

Casing and panels for the Vaillant aroTHERM VWL 125/6 A 400V (18) all Vaillant casing and panels →

Part	Item no. / mfr. no.	Price	Stock
Vaillant cover, switch box	80501010 Mfr. no. 0020273321	€29.94	Made-to-order item	View & order
Vaillant cover, inverter	80501125 Mfr. no. 0020273330	€64.21	Made-to-order item	View & order
Vaillant logo plate for e.g. aroTHERM VWL 75/6 A 0020266395	80501065 Mfr. no. 0020266395	€68.50	Made-to-order item	View & order
Vaillant casing parts, corner L for e.g. aroTHERM VWL 125/6 A 400V 0010027561	80501183 Mfr. no. 0010027561	€321.28	Made-to-order item	View & order
Vaillant casing parts, corner L for e.g. aroTHERM VWL 125/6 A 400V 0010027562	80501184 Mfr. no. 0010027562	€323.41	Made-to-order item	View & order
Vaillant side panel, L for e.g. aroTHERM VWL 125/6 A 400V 0020266334	80501205 Mfr. no. 0020266334	€340.55	Made-to-order item	View & order
Vaillant side panel, L for e.g. aroTHERM VWL 125/6 A 400V 0020266365	80501215 Mfr. no. 0020266365	€338.41	Made-to-order item	View & order
Vaillant grille for e.g. aroTHERM VWL 35/5 AS 0020266370	80501216 Mfr. no. 0020266370	€300.92	Made-to-order item	View & order
Vaillant cover for e.g. aroTHERM VWL 75/6 A 0010026000	80501134 Mfr. no. 0010026000	€327.70	Made-to-order item	View & order
Vaillant grille, L for e.g. aroTHERM VWL 125/6 A 400V 0020266372	80501141 Mfr. no. 0020266372	€434.81	Made-to-order item	View & order
Vaillant grille, L for e.g. aroTHERM VWL 125/6 A 400V 0020266386	80501218 Mfr. no. 0020266386	€433.74	Made-to-order item	View & order
Vaillant front panel 0010034961	80502075 Mfr. no. 0010034961	€293.42	Made-to-order item	View & order
Vaillant casing parts, corner 0010034921	80502077 Mfr. no. 0010034921	€238.80	Made-to-order item	View & order
Vaillant front panel 0010034958	80502080 Mfr. no. 0010034958	€300.92	Made-to-order item	View & order
Vaillant cover 0010033562	80501983 Mfr. no. 0010033562	€70.64	Made-to-order item	View & order
Vaillant side panel 0010034945	80502071 Mfr. no. 0010034945	€298.78	Made-to-order item	View & order
Vaillant side panel 0010034948	80502073 Mfr. no. 0010034948	€309.49	Made-to-order item	View & order
Vaillant cover for e.g. aroTHERM VWL 75/6 A 0010038451	80508290 Mfr. no. 0010038451	€142.40	Made-to-order item	View & order

Insulation for the Vaillant aroTHERM VWL 125/6 A 400V (3) all Vaillant insulation →

Part	Item no. / mfr. no.	Price	Stock
Vaillant insulation, (2 pcs)	80500924 Mfr. no. 0020273331	€24.59	Made-to-order item	View & order
Vaillant insulation, casing parts	80500925 Mfr. no. 0020273332	€27.80	Made-to-order item	View & order
Vaillant insulation (set) for e.g. aroTHERM VWL 75/6 A 0020266358	80500982 Mfr. no. 0020266358	€34.22	Made-to-order item	View & order

Fixing material for the Vaillant aroTHERM VWL 125/6 A 400V (21) all Vaillant fixing material →

Part	Item no. / mfr. no.	Price	Stock
Vaillant screw m6x20 iso 14583	8050533 Mfr. no. 0020081364	€26.72	Made-to-order item	View & order
Vaillant screw 0020195593, 10 pcs	80500893 Mfr. no. 0020195593	€23.52	Made-to-order item	View & order
Vaillant screw 0020266342, 10 pcs	80500907 Mfr. no. 0020266342	€25.66	Made-to-order item	View & order
Vaillant clamp, (5 pcs)	80500922 Mfr. no. 0020273318	€25.66	Made-to-order item	View & order
Vaillant clip, (10 pcs) for e.g. aroTHERM VWL 75/6 A 0020273322	80500923 Mfr. no. 0020273322	€25.66	Made-to-order item	View & order
Vaillant screw (5 pcs)	80500921 Mfr. no. 0020273317	€27.80	Made-to-order item	View & order
Vaillant clamping band, (5 pcs)	80500980 Mfr. no. 0020266330	€29.94	Made-to-order item	View & order
Vaillant holder for e.g. aroTHERM VWL 75/6 A 0020273324	80501011 Mfr. no. 0020273324	€47.08	Made-to-order item	View & order
Vaillant clamp (x5) 0010036841	80501846 Mfr. no. 0010036841	€53.51	Made-to-order item	View & order
Vaillant screw 0010033567, 10 pcs	80501861 Mfr. no. 0010033567	€51.36	Made-to-order item	View & order
Vaillant vibration damper 0010034421	80501863 Mfr. no. 0010034421	€28.87	Made-to-order item	View & order
Vaillant holder, pump 0010034446	80501864 Mfr. no. 0010034446	€36.37	Made-to-order item	View & order
Vaillant nut (10 pcs) for e.g. aroTHERM Pro VWL 75/7.1 A 230V 0010033565	80501868 Mfr. no. 0010033565	€25.66	Made-to-order item	View & order
Vaillant screw connection 0010034376	80501869 Mfr. no. 0010034376	€58.86	Made-to-order item	View & order
Vaillant bolt (x2) 0010034966	80501746 Mfr. no. 0010034966	€24.59	Made-to-order item	View & order
Vaillant clamp (x5) 0010034975	80501758 Mfr. no. 0010034975	€23.52	Made-to-order item	View & order
Vaillant nut (10 pcs) for e.g. aroTHERM Pro VWL 75/7.1 A 230V 0010033566	80501764 Mfr. no. 0010033566	€28.87	Made-to-order item	View & order
Vaillant holder 0010034450	80501974 Mfr. no. 0010034450	€48.14	Made-to-order item	View & order
Vaillant fixing set, compressor 0010033548	80501980 Mfr. no. 0010033548	€71.71	Made-to-order item	View & order
Vaillant dismantling label	80599913 Mfr. no. 0010038459	€28.87	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	€34.22	Made-to-order item	View & order

Other parts for the Vaillant aroTHERM VWL 125/6 A 400V (16)

Part	Item no. / mfr. no.	Price	Stock
Vaillant Mono HP connection set for ground installation	0120313 Mfr. no. 0010027971	€544.06	In stock	View & order
Vaillant box, control box	80501012 Mfr. no. 0020273329	€48.14	Made-to-order item	View & order
Vaillant cable tie (100 pcs)	80501009 Mfr. no. 0020273320	€52.43	Made-to-order item	View & order
Vaillant counterweight	80501659 Mfr. no. 0010033564	€48.14	Made-to-order item	View & order
Vaillant sound insulation	80501684 Mfr. no. 0010035020	€100.63	Made-to-order item	View & order
Vaillant inverter 0010034459	80502087 Mfr. no. 0010034459	€994.98	Made-to-order item	View & order
Vaillant refrigerant receiver 0010033547	80502100 Mfr. no. 0010033547	€127.40	Made-to-order item	View & order
Vaillant spacer 0010035023	80501747 Mfr. no. 0010035023	€24.59	Made-to-order item	View & order
Vaillant retaining strap 0010036838	80501959 Mfr. no. 0010036838	€91.00	Made-to-order item	View & order
Vaillant sound insulation, set 0010033545	80501960 Mfr. no. 0010033545	€120.98	Made-to-order item	View & order
Vaillant insulation (set) for e.g. aroTHERM VWL 75/6 A 0020278361	90170670 Mfr. no. 0020278361	€55.64	Made-to-order item	View & order
Vaillant cable gland for e.g. aroTHERM VWL 75/6 A 0010046202	80502234 Mfr. no. 0010046202	€11.74	Made-to-order item	View & order
Vaillant cover for e.g. aroTHERM VWL 75/6 A 0010045164	80502211 Mfr. no. 0010045164	€116.70	Made-to-order item	View & order
Vaillant screw set of 10 pcs for e.g. aroTHERM VWL 75/6 A 0010046946	80502260 Mfr. no. 0010046946	€11.74	Made-to-order item	View & order
Vaillant rear wall for e.g. aroTHERM VWL 125/6 A 400V 0010047147	80502264 Mfr. no. 0010047147	€410.17	Made-to-order item	View & order
Vaillant retainer 10 pcs MAG11-2/014-2/017-2/0 for e.g. aroTHERM VWL 75/6 A 108601	8056706 Mfr. no. 108601	€35.29	Made-to-order item	View & order

Exploded views of the Vaillant aroTHERM VWL 125/6 A 400V

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

Fault code on your Vaillant aroTHERM VWL 125/6 A 400V? 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.

Other Vaillant heat pumps

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Frequently asked questions

Which parts are available for the Vaillant aroTHERM VWL 125/6 A 400V?

The catalogue lists 111 original parts for the Vaillant aroTHERM VWL 125/6 A 400V, including fans, sensors, pressure 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 aroTHERM VWL 125/6 A 400V cost?

The fans for this model cost €495.85 incl. VAT. Check the table "Fans" above for the right part number.

Are the parts for the Vaillant aroTHERM VWL 125/6 A 400V in stock?

7 of the 111 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 aroTHERM VWL 125/6 A 400V?

Search for the part by part number or use the exploded view of the Vaillant aroTHERM VWL 125/6 A 400V.

Are these original Vaillant parts?

Yes. All 111 parts in this list are original manufacturer parts for the Vaillant aroTHERM VWL 125/6 A 400V, delivered with the correct part number.

How much do parts for the Vaillant aroTHERM VWL 125/6 A 400V cost?

Parts for the Vaillant aroTHERM VWL 125/6 A 400V range from €11.74 to €1,401.98 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.