Vaillant uniTOWER VIH QW 190/1 E (0010019709) spare parts

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In brief

Instalpunt supplies 120 original parts for the Vaillant uniTOWER VIH QW 190/1 E (0010019709), including sensors, temperature sensors and NTC sensors, pressure sensors. Order online.

120Spare parts
9In stock
€6.71From
21Types
availableExploded view

Looking for parts for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (heat pump)? Below are all 120 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 →

Sensors for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (1) all Vaillant sensors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant sensor for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020187358	8050581 Mfr. no. 0020187358	€51.79	Made-to-order item	View & order

Temperature sensors and NTC sensors for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (2) all Vaillant temperature sensors and NTC sensors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant sensor for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020166931	8054357 Mfr. no. 0020166931	€117.67	Made-to-order item	View & order
Vaillant sensor for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020174524	8054369 Mfr. no. 0020174524	€30.19	Made-to-order item	View & order

Pressure sensors for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (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 uniTOWER VIH QW 190/1 E (0010019709) (2) all Vaillant heat exchangers →

Part	Item no. / mfr. no.	Price	Stock
Vaillant separation heat exchanger for uniTOWER 11 and 15 kW	0160914 Mfr. no. 0020220369	€1,435.27	Made-to-order item	View & order
Vaillant separation heat exchanger for uniTOWER 5 and 8 kW	0160915 Mfr. no. 0020217418	€1,240.87	Made-to-order item	View & order

PCBs and controls for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (2) all Vaillant PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant PCB for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233483	90170431 Mfr. no. 0020233483	€344.47	Made-to-order item	View & order
Vaillant PCB for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233613	80500516 Mfr. no. 0020233613	€259.15	Made-to-order item	View & order

Diverter valves and hydroblocks for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (1) all Vaillant diverter valves and hydroblocks →

Part	Item no. / mfr. no.	Price	Stock
Vaillant three-way valve for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020032008	8053592 Mfr. no. 0020032008	€259.15	Made-to-order item	View & order

Expansion vessels for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (3) all Vaillant expansion vessels →

Part	Item no. / mfr. no.	Price	Stock
Vaillant expansion vessel 15 litre	8050874 Mfr. no. 179048	€180.31	In stock	View & order
Vaillant brine expansion vessel 2 litre	0160014 Mfr. no. 0020218627	€128.47	Made-to-order item	View & order
Vaillant expansion vessel 2L	80500524 Mfr. no. 0020233668	€123.07	Made-to-order item	View & order

Displays and controls for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (1) all Vaillant displays and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant display for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233614	80500336 Mfr. no. 0020233614	€94.99	Made-to-order item	View & order

Valves for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (9) all Vaillant valves →

Part	Item no. / mfr. no.	Price	Stock
Vaillant air vent for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020198362	90170335 Mfr. no. 0020198362	€235.39	Made-to-order item	View & order
Vaillant drain cock for e.g. uniTOWER VIH QW 190/1 E (0010019709) 082244	80500263 Mfr. no. 082244	€59.35	Made-to-order item	View & order
Vaillant valve for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020199069	80500183 Mfr. no. 0020199069	€32.35	Made-to-order item	View & order
Vaillant service valve for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020199083	80500503 Mfr. no. 0020199083	€147.91	Made-to-order item	View & order
Vaillant service valve for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020199084	80500725 Mfr. no. 0020199084	€136.03	Made-to-order item	View & order
Vaillant drain valve for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020199480	80500954 Mfr. no. 0020199480	€35.59	Made-to-order item	View & order
Vaillant valve for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020174707	8050757 Mfr. no. 0020174707	€112.27	Made-to-order item	View & order
Vaillant valve for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020170628	8052571 Mfr. no. 0020170628	€51.79	Made-to-order item	View & order
Vaillant service valve for e.g. uniSTOR VIH RW 200/2 B 0020187026	8050582 Mfr. no. 0020187026	€34.51	Made-to-order item	View & order

Anodes for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (1) all Vaillant anodes →

Part	Item no. / mfr. no.	Price	Stock
Vaillant anode for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020107795	8050851 Mfr. no. 0020107795	€101.47	Made-to-order item	View & order

Heating elements for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (1) all Vaillant heating elements →

Part	Item no. / mfr. no.	Price	Stock
Vaillant heating element for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020231155	90170430 Mfr. no. 0020231155	€659.83	Made-to-order item	View & order

Pressure gauges for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (2) all Vaillant pressure gauges →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pressure gauge for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020199077	80500313 Mfr. no. 0020199077	€64.75	Made-to-order item	View & order
Vaillant pressure gauge for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233658	80500349 Mfr. no. 0020233658	€111.19	Made-to-order item	View & order

Motors for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (2) all Vaillant motors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant three-way valve motor 230V	8053508 Mfr. no. 0020038758	€186.79	In stock	View & order
Vaillant service valve insulation	8050704 Mfr. no. 0020038596	€24.79	Made-to-order item	View & order

Electrical parts for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (3) all Vaillant electrical parts →

Part	Item no. / mfr. no.	Price	Stock
Vaillant switch for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233485	90170042 Mfr. no. 0020233485	€24.79	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 uniTOWER VIH QW 190/1 E (0010019709) (6) all Vaillant cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant wiring harness for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233615	80500086 Mfr. no. 0020233615	€26.95	Made-to-order item	View & order
Vaillant wiring harness for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233618	80500216 Mfr. no. 0020233618	€53.95	Made-to-order item	View & order
Vaillant wiring harness 230V for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233625	80500339 Mfr. no. 0020233625	€72.31	Made-to-order item	View & order
Vaillant wiring harness 230V for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233664	80500351 Mfr. no. 0020233664	€97.15	Made-to-order item	View & order
Vaillant wiring harness 24V for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233619	80500217 Mfr. no. 0020233619	€53.95	Made-to-order item	View & order
Vaillant wiring harness 400V for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233624	80500219 Mfr. no. 0020233624	€60.43	Made-to-order item	View & order

Gasket sets for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (1) all Vaillant gasket sets →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gasket set for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233662	80500095 Mfr. no. 0020233662	€30.19	Made-to-order item	View & order

Gaskets and seals for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (9) 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 (10 pcs) for e.g. hrSOLIDE VHR 24-28 C 981163	8057046 Mfr. no. 981163	€16.15	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 10 pcs for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020107564	80500016 Mfr. no. 0020107564	€23.71	Made-to-order item	View & order
Vaillant gasket ring 10 pcs for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020057559	80500011 Mfr. no. 0020057559	€30.19	Made-to-order item	View & order
Vaillant gasket for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020057555	8050692 Mfr. no. 0020057555	€32.35	Made-to-order item	View & order
Vaillant sealing ring for e.g. uniTOWER VIH QW 190/1 E (0010019709) 981254	8059792 Mfr. no. 981254	€53.95	Made-to-order item	View & order
Vaillant sealing ring for e.g. aroTHERM VWL 75/6 A 0020032001	8059534 Mfr. no. 0020032001	€25.87	Made-to-order item	View & order

Pipes, tubes and hoses for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (29) all Vaillant pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant expansion vessel pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233622	80500218 Mfr. no. 0020233622	€43.15	In stock	View & order
Vaillant bend for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233659	80500225 Mfr. no. 0020233659	€58.27	Made-to-order item	View & order
Vaillant feed-through coupling	80500123 Mfr. no. 0020057162	€48.55	Made-to-order item	View & order
Vaillant compression fitting for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233672	80500228 Mfr. no. 0020233672	€50.71	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020204810	80500190 Mfr. no. 0020204810	€34.51	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233636	80500220 Mfr. no. 0020233636	€58.27	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233669	80500226 Mfr. no. 0020233669	€47.47	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233620	80500337 Mfr. no. 0020233620	€113.35	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233621	80500338 Mfr. no. 0020233621	€113.35	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233632	80500341 Mfr. no. 0020233632	€130.63	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233633	80500342 Mfr. no. 0020233633	€67.99	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233655	80500348 Mfr. no. 0020233655	€121.99	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233660	80500350 Mfr. no. 0020233660	€76.63	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233670	80500352 Mfr. no. 0020233670	€93.91	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233627	80500517 Mfr. no. 0020233627	€202.99	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233629	80500518 Mfr. no. 0020233629	€136.03	Made-to-order item	View & order
Vaillant pipe for uniTOWER VIH QW 190/1 E (0010019709) 0020233634	80500519 Mfr. no. 0020233634	€136.03	Made-to-order item	View & order
Vaillant nipple for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233649	80500094 Mfr. no. 0020233649	€29.11	Made-to-order item	View & order
Vaillant nipple for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233656	80500223 Mfr. no. 0020233656	€48.55	Made-to-order item	View & order
Vaillant nipple for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233628	80500340 Mfr. no. 0020233628	€70.15	Made-to-order item	View & order
Vaillant pipe set L=1109+460	80500179 Mfr. no. 0020196301	€52.87	Made-to-order item	View & order
Vaillant hose 25 m	80500055 Mfr. no. 0020199086	€30.19	Made-to-order item	View & order
Vaillant T-piece for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233654	80500222 Mfr. no. 0020233654	€60.43	Made-to-order item	View & order
Vaillant hose for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020254828	80500902 Mfr. no. 0020254828	€30.19	Made-to-order item	View & order
Vaillant uniTOWER connection set 10 bar	0160968 Mfr. no. 0020221263	€315.31	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020186835	8050732 Mfr. no. 0020186835	€67.99	Made-to-order item	View & order
Vaillant pipe for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020186836	8050731 Mfr. no. 0020186836	€67.99	Made-to-order item	View & order
Vaillant pipe l=51	8050478 Mfr. no. 0020174300	€24.79	Made-to-order item	View & order
Vaillant pipe l=95 d=18	8050481 Mfr. no. 0020174252	€11.83	Made-to-order item	View & order

Casing and panels for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (11) all Vaillant casing and panels →

Part	Item no. / mfr. no.	Price	Stock
Vaillant protective cap for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233657	80500224 Mfr. no. 0020233657	€31.27	Made-to-order item	View & order
Vaillant case for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233611	80500335 Mfr. no. 0020233611	€106.87	Made-to-order item	View & order
Vaillant logo plate for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233609	80500085 Mfr. no. 0020233609	€24.79	Made-to-order item	View & order
Vaillant side panel 200 L	80500493 Mfr. no. 0020188014	€209.47	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 front panel door	8050878 Mfr. no. 0020188019	€159.79	Made-to-order item	View & order
Vaillant front panel for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020188017	8050879 Mfr. no. 0020188017	€275.35	Made-to-order item	View & order
Vaillant front panel for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020188018	8054434 Mfr. no. 0020188018	€406.03	Made-to-order item	View & order
Vaillant side panel top	8050882 Mfr. no. 0020188015	€197.59	Made-to-order item	View & order

Insulation for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (4) all Vaillant insulation →

Part	Item no. / mfr. no.	Price	Stock
Vaillant insulation for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233630	80500087 Mfr. no. 0020233630	€25.87	Made-to-order item	View & order
Vaillant insulation for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233631	80500088 Mfr. no. 0020233631	€29.11	Made-to-order item	View & order
Vaillant insulation for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233637	80500089 Mfr. no. 0020233637	€29.11	Made-to-order item	View & order
Vaillant insulation for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233648	80500093 Mfr. no. 0020233648	€30.19	Made-to-order item	View & order

Fixing material for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (18) all Vaillant fixing material →

Part	Item no. / mfr. no.	Price	Stock
Vaillant screw 48 x 95 drill hole 4 mm	8050117 Mfr. no. 0020107695	€23.71	Made-to-order item	View & order
Vaillant screw 0020073877, 10 pcs	8055017 Mfr. no. 0020073877	€11.83	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 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 screw 0020136643, 10 pcs	8050297 Mfr. no. 0020136643	€23.71	Made-to-order item	View & order
Vaillant clip 10 pcs for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020174522	90170196 Mfr. no. 0020174522	€73.39	Made-to-order item	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 holder for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020233612	80500215 Mfr. no. 0020233612	€58.27	Made-to-order item	View & order
Vaillant nut for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020198245	80500053 Mfr. no. 0020198245	€24.79	Made-to-order item	View & order
Vaillant nut M10 10 pcs	80500334 Mfr. no. 0020233610	€60.43	Made-to-order item	View & order
Vaillant screw 0020233638, 10 pcs	80500090 Mfr. no. 0020233638	€29.11	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 case holder	80501374 Mfr. no. 0010028162	€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 case holder 2 pcs	8050308 Mfr. no. 0020144611	€24.79	Made-to-order item	View & order
Vaillant closure (4 pcs)	8053998 Mfr. no. 0020196308	€60.43	Made-to-order item	View & order
Vaillant plug for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020064686	8059565 Mfr. no. 0020064686	€31.27	Made-to-order item	View & order
Vaillant plug for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020186861	8054036 Mfr. no. 0020186861	€24.79	Made-to-order item	View & order

Other parts for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) (11)

Part	Item no. / mfr. no.	Price	Stock
Vaillant connection for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020198004	80500051 Mfr. no. 0020198004	€31.27	Made-to-order item	View & order
Vaillant connection G 3/4-G 3/4	80500124 Mfr. no. 0020057171	€36.67	Made-to-order item	View & order
Vaillant collector	80500523 Mfr. no. 0020233661	€140.35	Made-to-order item	View & order
Vaillant storage cylinder 200L	80500522 Mfr. no. 0020233650	€1,750.63	Made-to-order item	View & order
Vaillant insulation for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0010048250	80502284 Mfr. no. 0010048250	€26.95	Made-to-order item	View & order
Vaillant junction box for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020179948	8051106 Mfr. no. 0020179948	€49.63	Made-to-order item	View & order
Vaillant instrument panel for e.g. uniTOWER VIH QW 190/1 E (0010019709) 0020198238	8052166 Mfr. no. 0020198238	€70.15	Made-to-order item	View & order
Vaillant gland m25-17	8052956 Mfr. no. 0020175809	€30.19	Made-to-order item	View & order
Vaillant adjustable foot	8054027 Mfr. no. 0020198221	€23.71	Made-to-order item	View & order
Vaillant adapter piece for e.g. uniTOWER VIH QW 190/1 E (0010019709) 179053	8050567 Mfr. no. 179053	€25.87	Made-to-order item	View & order
Vaillant restrictor	8050721 Mfr. no. 117215	€61.51	Made-to-order item	View & order

Exploded views of the Vaillant uniTOWER VIH QW 190/1 E (0010019709)

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

Fault code on your Vaillant uniTOWER VIH QW 190/1 E (0010019709)? 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.042	Break in the heat exchanger wiring harness	Heat exchangers

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 uniTOWER VIH QW 190/1 E (0010019709)?

The catalogue lists 120 original parts for the Vaillant uniTOWER VIH QW 190/1 E (0010019709), including sensors, temperature sensors and NTC sensors, pressure sensors, heat exchangers. All parts are listed above, grouped by type, with part number and price.

How much does a sensor for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) cost?

The sensors for this model cost €39.52 incl. VAT. Check the table "Sensors" above for the right part number.

Are the parts for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) in stock?

9 of the 120 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 uniTOWER VIH QW 190/1 E (0010019709)?

Search for the part by part number or use the exploded view of the Vaillant uniTOWER VIH QW 190/1 E (0010019709).

Are these original Vaillant parts?

Yes. All 120 parts in this list are original manufacturer parts for the Vaillant uniTOWER VIH QW 190/1 E (0010019709), delivered with the correct part number.

How much do parts for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) cost?

Parts for the Vaillant uniTOWER VIH QW 190/1 E (0010019709) range from €6.71 to €2,304.72 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.