Vaillant thermoCOMPACT VC 254/4-7 spare parts

In brief

Instalpunt supplies 111 original parts for the Vaillant thermoCOMPACT VC 254/4-7, including temperature sensors and NTC sensors, pressure sensors, flow sensors and flow switches. Order online.

111Spare parts
40In stock
€5.89From
21Types
availableExploded view

Looking for parts for the Vaillant thermoCOMPACT VC 254/4-7 (boiler)? 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 thermoCOMPACT VC 254/4-7

Part	From	Delivery
Ignition part Vaillant monitoring electrode	€33.95	In stock
Flow sensor Vaillant flow sensor complete VHR18-22/3C24-28/3C VHR CW3 4/3 for ecoTEC plus and ecoTEC pro etc.	€55.95	In stock
Temperature sensor Vaillant NTC domestic hot water VHR 3/C	€25.95	In stock
Pump Vaillant high-efficiency circulation pump for ecoTEC pro	€268.95	In stock
Heat exchanger Vaillant plate heat exchanger 35 plates	€192.95	In stock
Display Vaillant knobs white 3 pcs	€23.95	In stock

Prices incl. VAT, taken directly from our checkout. Below is the complete parts list for this model.

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Temperature sensors and NTC sensors for the Vaillant thermoCOMPACT VC 254/4-7 (5) all Vaillant temperature sensors and NTC sensors →

Part	Item no. / mfr. no.	Price	Stock
Vaillant NTC sensor plate heat exchanger VHR/3C for ecoTEC pro and ecoTEC plus etc.	8058947 Mfr. no. 103430	€33.95	In stock	View & order
Vaillant NTC domestic hot water VHR 3/C	8058966 Mfr. no. 103429	€25.95	In stock	View & order
Vaillant NTC sensor 19 mm for ecoTEC plus	8051369 Mfr. no. 0020068120	€25.95	In stock	View & order
Vaillant flue gas sensor	8053386 Mfr. no. 0020073796	€92.95	Made-to-order item	View & order
Vaillant flow sensor 24kw	8053384 Mfr. no. 0020068080	€68.95	Not available	View & order

Pressure sensors for the Vaillant thermoCOMPACT VC 254/4-7 (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	€20.95	Made-to-order item	View & order

Flow sensors and flow switches for the Vaillant thermoCOMPACT VC 254/4-7 (1) all Vaillant flow sensors and flow switches →

Part	Item no. / mfr. no.	Price	Stock
Vaillant flow sensor complete VHR18-22/3C24-28/3C VHR CW3 4/3 for ecoTEC plus and ecoTEC pro etc.	8058952 Mfr. no. 178988	€55.95	In stock	View & order

Pumps for the Vaillant thermoCOMPACT VC 254/4-7 (3) all Vaillant pumps →

Part	Item no. / mfr. no.	Price	Stock
Vaillant high-efficiency pump excl. pump cable for ecoTEC pro (e.g. hrSOLIDE plus VHR 30-34/3-5) 0010030632	80508257 Mfr. no. 0010030632	€296.95	In stock	View & order
Vaillant high-efficiency circulation pump for ecoTEC pro	8056932 Mfr. no. 8000011227	€268.95	In stock	View & order
Vaillant high-efficiency pump excl. pump cable for ecoTEC pro	80502116 Mfr. no. 0010030636	€386.95	Made-to-order item	View & order

Heat exchangers for the Vaillant thermoCOMPACT VC 254/4-7 (2) all Vaillant heat exchangers →

Part	Item no. / mfr. no.	Price	Stock
Vaillant plate heat exchanger 35 plates	8053389 Mfr. no. 0020025041	€192.95	In stock	View & order
Vaillant heat exchanger VC-VCW254/3	8056608 Mfr. no. 065130	€376.95	In stock	View & order

Gas valves and gas control for the Vaillant thermoCOMPACT VC 254/4-7 (1) all Vaillant gas valves and gas control →

Part	Item no. / mfr. no.	Price	Stock
Vaillant gas section H with regulator	8053396 Mfr. no. 0020053968	€284.95	In stock	View & order

PCBs and controls for the Vaillant thermoCOMPACT VC 254/4-7 (2) all Vaillant PCBs and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant PCB for e.g. thermoCOMPACT VCW 254/4-7 0020059213	8051366 Mfr. no. 0020059213	€317.95	In stock	View & order
Vaillant controller protection white	8055021 Mfr. no. 0020130231	€26.95	Made-to-order item	View & order

Diverter valves and hydroblocks for the Vaillant thermoCOMPACT VC 254/4-7 (1) all Vaillant diverter valves and hydroblocks →

Part	Item no. / mfr. no.	Price	Stock
Vaillant three-way valve R3 brass (without adapter cable) for ecoTEC plus and ecoTEC	8050175 Mfr. no. 0020132683	€142.45	In stock	View & order

Ignition and ionisation for the Vaillant thermoCOMPACT VC 254/4-7 (2) all Vaillant ignition and ionisation →

Part	Item no. / mfr. no.	Price	Stock
Vaillant electrode double ignition	8051367 Mfr. no. 0020068041	€70.95	In stock	View & order
Vaillant monitoring electrode	8051372 Mfr. no. 0020068043	€33.95	In stock	View & order

Burners for the Vaillant thermoCOMPACT VC 254/4-7 (2) all Vaillant burners →

Part	Item no. / mfr. no.	Price	Stock
Vaillant burner atmo 24kw hl	8053347 Mfr. no. 0020068030	€229.95	Made-to-order item	View & order
Vaillant burner rail 24kw l	8053346 Mfr. no. 0020068039	€189.95	Made-to-order item	View & order

Displays and controls for the Vaillant thermoCOMPACT VC 254/4-7 (2) all Vaillant displays and controls →

Part	Item no. / mfr. no.	Price	Stock
Vaillant display for ecoTEC plus (e.g. hrSOLIDE plus VHR 24-28/3-5 R3) 0020060811	8050021 Mfr. no. 0020060811	€129.95	In stock	View & order
Vaillant knobs white 3 pcs	8053353 Mfr. no. 0020048920	€23.95	In stock	View & order

Filters for the Vaillant thermoCOMPACT VC 254/4-7 (1) all Vaillant filters →

Part	Item no. / mfr. no.	Price	Stock
Vaillant heating strainer complete	8051433 Mfr. no. 179030	€11.95	In stock	View & order

Valves for the Vaillant thermoCOMPACT VC 254/4-7 (4) all Vaillant valves →

Part	Item no. / mfr. no.	Price	Stock
Vaillant safety valve 3 bar	8058974 Mfr. no. 178985	€38.95	In stock	View & order
Vaillant bypass valve assembly	8051484 Mfr. no. 178980	€37.95	In stock	View & order
Vaillant air vent for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 0010033857	80501293 Mfr. no. 0010033857	€41.95	Made-to-order item	View & order
Vaillant water flow limiter 7,3l VCW254-255/3	8056623 Mfr. no. 012984	€44.95	Made-to-order item	View & order

Pressure gauges for the Vaillant thermoCOMPACT VC 254/4-7 (1) all Vaillant pressure gauges →

Part	Item no. / mfr. no.	Price	Stock
Vaillant pressure gauge for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 180982	8053355 Mfr. no. 180982	€41.95	In stock	View & order

Electrical parts for the Vaillant thermoCOMPACT VC 254/4-7 (2) all Vaillant electrical parts →

Part	Item no. / mfr. no.	Price	Stock
Vaillant fuse 2.0A T2H 10 pcs for ecoTEC plus and ecoTEC pro etc.	8050127 Mfr. no. 0020067507	€17.95	In stock	View & order
Vaillant strain relief	8051468 Mfr. no. 078533	€44.95	Made-to-order item	View & order

Cables and wiring harnesses for the Vaillant thermoCOMPACT VC 254/4-7 (4) all Vaillant cables and wiring harnesses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant cable for e.g. thermoCOMPACT VCW 254/4-7 0020041932	8053358 Mfr. no. 0020041932	€25.95	Made-to-order item	View & order
Vaillant wiring harness atmo	8053356 Mfr. no. 0020068075	€84.95	Made-to-order item	View & order
Vaillant wiring harness VCW 0020128700	8050286 Mfr. no. 0020128700	€96.95	Made-to-order item	View & order
Vaillant connecting plugs VC/W254/2XE255/2E	8058570 Mfr. no. 253815	€48.95	Made-to-order item	View & order

Gaskets and seals for the Vaillant thermoCOMPACT VC 254/4-7 (18) 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	€18.95	In stock	View & order
Vaillant gasket 3/4" (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8052292 Mfr. no. 981140	€15.95	In stock	View & order
Vaillant gasket 1/2" (10 pcs) for ecoTEC plus and ecoTEC pro etc.	8057027 Mfr. no. 981142	€14.95	In stock	View & order
Vaillant O-ring R 7x15 (10 pcs)	8057040 Mfr. no. 981155	€14.95	In stock	View & order
Vaillant O-ring (10 pcs) for e.g. hrSOLIDE VHR 24-28 C 981163	8057046 Mfr. no. 981163	€14.95	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	€22.95	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	€31.95	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	€33.95	In stock	View & order
Vaillant gasket ring set 10 pcs for ecoTEC plus and ecoTEC pro etc.	8051476 Mfr. no. 193539	€41.95	In stock	View & order
Vaillant O-ring (10 pcs) for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 981165	8057048 Mfr. no. 981165	€19.95	In stock	View & order
Vaillant O-ring for e.g. thermoCOMPACT VCW 254/4-7 0020107693	8050081 Mfr. no. 0020107693	€27.95	Made-to-order item	View & order
Vaillant O-ring (10 pcs) for e.g. hrSOLIDE VHR 24-28 C 981166	8057049 Mfr. no. 981166	€22.95	Made-to-order item	View & order
Vaillant O-ring (10 pcs) for e.g. thermoCOMPACT VCW 254/4-7 981170	8052705 Mfr. no. 981170	€16.95	In stock	View & order
Vaillant gasket (10 pcs) for e.g. thermoCOMPACT VCW 254/4-7 981146	8057031 Mfr. no. 981146	€22.95	Made-to-order item	View & order
Vaillant gasket for e.g. hrSOLIDE VHR 24-28 C 0020085467	8054634 Mfr. no. 0020085467	€21.95	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	€22.95	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	€21.95	Made-to-order item	View & order
Vaillant gasket 10 pcs for e.g. thermoCOMPACT VCW 254/4-7 0020068130	8053366 Mfr. no. 0020068130	€21.95	Made-to-order item	View & order

Pipes, tubes and hoses for the Vaillant thermoCOMPACT VC 254/4-7 (19) all Vaillant pipes, tubes and hoses →

Part	Item no. / mfr. no.	Price	Stock
Vaillant connector VHR3/C	8058964 Mfr. no. 179031	€71.95	In stock	View & order
Vaillant connection pipe (flow)	8051473 Mfr. no. 179033	€40.95	In stock	View & order
Vaillant connection pipe (return) for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 180999	8051474 Mfr. no. 180999	€41.95	In stock	View & order
Vaillant connection pipe (cold water) for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 117306	8051477 Mfr. no. 117306	€41.95	In stock	View & order
Vaillant connection pipe (hot water)	8051479 Mfr. no. 179034	€45.95	In stock	View & order
Vaillant air vent nipple	8051596 Mfr. no. 140015	€22.95	Made-to-order item	View & order
Vaillant connection pipe (cold water) for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 179037	8051583 Mfr. no. 179037	€85.95	Made-to-order item	View & order
Vaillant connection pipe (return) for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 179036	8051577 Mfr. no. 179036	€45.95	Made-to-order item	View & order
Vaillant connection piece complete for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 179032	8051578 Mfr. no. 179032	€64.95	Made-to-order item	View & order
Vaillant connection piece complete for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 179035	8051581 Mfr. no. 179035	€66.95	Made-to-order item	View & order
Vaillant cooling pipe VC/W254/3	8054115 Mfr. no. 118597	€121.95	Made-to-order item	View & order
Vaillant pipe for e.g. thermoCOMPACT VCW 254/4-7 0020068051	8059814 Mfr. no. 0020068051	€63.95	Made-to-order item	View & order
Vaillant pipe for e.g. thermoCOMPACT VCW 254/4-7 0020068099	8053361 Mfr. no. 0020068099	€66.95	Made-to-order item	View & order
Vaillant pipe for e.g. thermoCOMPACT VCW 254/4-7 0020068103	8053362 Mfr. no. 0020068103	€53.95	Made-to-order item	View & order
Vaillant pipe for e.g. thermoCOMPACT VCW 254/4-7 0020068110	8053349 Mfr. no. 0020068110	€91.95	Made-to-order item	View & order
Vaillant pipe for e.g. thermoCOMPACT VCW 254/4-7 0020068111	8053363 Mfr. no. 0020068111	€33.95	Made-to-order item	View & order
Vaillant pipe for e.g. thermoCOMPACT VCW 254/4-7 0020068117	8053348 Mfr. no. 0020068117	€63.95	Made-to-order item	View & order
Vaillant gas pipe for e.g. thermoCOMPACT VCW 254/4-7 0020039061	8053388 Mfr. no. 0020039061	€62.95	Made-to-order item	View & order
Vaillant pressure gauge T-piece for e.g. thermoCOMPACT VCW 254/4-7 0020068118	8053364 Mfr. no. 0020068118	€24.95	Made-to-order item	View & order

Casing and panels for the Vaillant thermoCOMPACT VC 254/4-7 (9) all Vaillant casing and panels →

Part	Item no. / mfr. no.	Price	Stock
Vaillant protection for e.g. thermoCOMPACT VCW 254/4-7 0020068073	8053378 Mfr. no. 0020068073	€31.95	Made-to-order item	View & order
Vaillant cover for e.g. thermoCOMPACT VCW 254/4-7 0020039076	8053376 Mfr. no. 0020039076	€128.95	Made-to-order item	View & order
Vaillant cover 24kW	8053318 Mfr. no. 0020068084	€111.95	Made-to-order item	View & order
Vaillant case white	8053352 Mfr. no. 0020048919	€93.95	Made-to-order item	View & order
Vaillant logo plate VC/W254-255/3 CWK245/3	8057191 Mfr. no. 118096	€44.95	Made-to-order item	View & order
Vaillant panel for e.g. thermoCOMPACT VCW 254/4-7 0020039074	8053373 Mfr. no. 0020039074	€89.95	Made-to-order item	View & order
Vaillant plate	8058255 Mfr. no. 139438	€11.95	Not available	View & order
Vaillant plate set	8053374 Mfr. no. 0020068070	€27.95	Made-to-order item	View & order
Vaillant front panel for e.g. thermoCOMPACT VCW 254/4-7 0020039073	8053372 Mfr. no. 0020039073	€193.95	Made-to-order item	View & order

Insulation for the Vaillant thermoCOMPACT VC 254/4-7 (1) all Vaillant insulation →

Part	Item no. / mfr. no.	Price	Stock
Vaillant burner insulation atmo 24kw set	8053383 Mfr. no. 0020068069	€49.95	In stock	View & order

Fixing material for the Vaillant thermoCOMPACT VC 254/4-7 (25) all Vaillant fixing material →

Part	Item no. / mfr. no.	Price	Stock
Vaillant mounting plate plate heat exchanger	8051502 Mfr. no. 178965	€126.95	In stock	View & order
Vaillant retainer for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 0020107694	8050116 Mfr. no. 0020107694	€26.95	In stock	View & order
Vaillant screw 48 x 95 drill hole 4 mm	8050117 Mfr. no. 0020107695	€21.95	Made-to-order item	View & order
Vaillant retaining ring VUW VCW254-255/2/3 CWK 245/3 VHR45	8050119 Mfr. no. 0020107709	€10.95	Made-to-order item	View & order
Vaillant screw 10 pcs VHR354565	8058079 Mfr. no. 105839	€29.95	Made-to-order item	View & order
Vaillant screw VC/W254/3	8058080 Mfr. no. 105902	€41.95	Not available	View & order
Vaillant screw complete per 10 pcs	8051418 Mfr. no. 178967	€23.95	Made-to-order item	View & order
Vaillant screw long	8053369 Mfr. no. 0020041941	€28.95	Made-to-order item	View & order
Vaillant bolt 133930	8056496 Mfr. no. 0020107733	€10.95	Made-to-order item	View & order
Vaillant screw 0020133833, 10 pcs	8050305 Mfr. no. 0020133833	€21.95	Made-to-order item	View & order
Vaillant retaining spring 10 pcs for e.g. thermoCOMPACT VCW 254/4-7 0020068126	8053365 Mfr. no. 0020068126	€23.95	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	€23.95	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	€23.95	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	€44.95	Made-to-order item	View & order
Vaillant handle for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 0020068071	8053375 Mfr. no. 0020068071	€54.95	Made-to-order item	View & order
Vaillant holder for e.g. thermoCOMPACT VCW 254/4-7 0020039072	8053382 Mfr. no. 0020039072	€48.95	Made-to-order item	View & order
Vaillant holder for e.g. thermoCOMPACT VCW 254/4-7 0020039079	8053379 Mfr. no. 0020039079	€21.95	Made-to-order item	View & order
Vaillant holder for e.g. thermoCOMPACT VCW 254/4-7 0020068056	8053351 Mfr. no. 0020068056	€23.95	Made-to-order item	View & order
Vaillant holder for e.g. thermoCOMPACT VCW 254/4-7 0020068086	8053385 Mfr. no. 0020068086	€25.95	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	€70.95	Made-to-order item	View & order
Vaillant holder per 2 pcs	8051413 Mfr. no. 193536	€21.95	Made-to-order item	View & order
Vaillant nut (4 pcs) VHR	8058113 Mfr. no. 193598	€28.95	Made-to-order item	View & order
Vaillant hinge for e.g. thermoCOMPACT VCW 254/4-7 0020039077	8053377 Mfr. no. 0020039077	€43.95	Made-to-order item	View & order
Vaillant plug for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 0020020489	8053414 Mfr. no. 0020020489	€21.95	Made-to-order item	View & order
Vaillant plug for e.g. thermoCOMPACT VCW 254/4-7 0020041940	8053359 Mfr. no. 0020041940	€21.95	Made-to-order item	View & order

Other parts for the Vaillant thermoCOMPACT VC 254/4-7 (5)

Part	Item no. / mfr. no.	Price	Stock
Vaillant water strainer VCW254-255/3CWK245/3	8056622 Mfr. no. 074514	€14.95	In stock	View & order
Vaillant lever	8058973 Mfr. no. 178974	€21.95	Made-to-order item	View & order
Vaillant magnet for e.g. hrSOLIDE plus VHR 24-28/3-5 R3 0020068136	8059531 Mfr. no. 0020068136	€25.95	Made-to-order item	View & order
Vaillant combustion chamber complete with insulation	8058134 Mfr. no. 117553	€100.95	Made-to-order item	View & order
Vaillant spacer for e.g. thermoCOMPACT VCW 254/4-7 0020039080	8053381 Mfr. no. 0020039080	€21.95	Made-to-order item	View & order

Exploded views of the Vaillant thermoCOMPACT VC 254/4-7

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

Fault code on your Vaillant thermoCOMPACT VC 254/4-7? 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.05	High-limit fault, flow temperature too high (pump not running, but has voltage)	Pumps
F.070	Replacement of the control PCB and display PCB	PCBs and controls
F.086	Contact S20 on heat pump main PCB (HMU) open, incorrect high-limit thermostat setting, flow temperature sensor (heat pump, gas boiler, system sensor) reading too low	PCBs and controls
F.103	Wrong thermostat PCB installed on the outdoor unit	PCBs and controls

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 thermoCOMPACT VC 254/4-7?

The catalogue lists 111 original parts for the Vaillant thermoCOMPACT VC 254/4-7, including temperature sensors and NTC sensors, pressure sensors, flow sensors and flow switches, pumps. All parts are listed above, grouped by type, with part number and price.

How much does a temperature sensor for the Vaillant thermoCOMPACT VC 254/4-7 cost?

The temperature sensors and NTC sensors for this model cost between €25.49 and €90.17 incl. VAT. Check the table "Temperature sensors and NTC sensors" above for the right part number.

Are the parts for the Vaillant thermoCOMPACT VC 254/4-7 in stock?

40 of the 111 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 thermoCOMPACT VC 254/4-7?

Search for the part by part number or use the exploded view of the Vaillant thermoCOMPACT VC 254/4-7.

Are these original Vaillant parts?

Yes. All 111 parts in this list are original manufacturer parts for the Vaillant thermoCOMPACT VC 254/4-7, supplied through the official technical wholesale channel and with the correct part number.

How much do parts for the Vaillant thermoCOMPACT VC 254/4-7 cost?

Parts for the Vaillant thermoCOMPACT VC 254/4-7 range from €5.89 to €520.11 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.