Vaillant Combi Boiler

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Pro 28

EcoTEC Pro 28 Burner

ecoTEC pro 24 Burner

IDPart DescriptionPart NumberIndicationType, Remarks
0Conversion set0020010641H -> P (not shown)
0Conversion set0020010642P -> H (not shown)
1Burner049345 VUW 286/3-3 R1, with parts 02, 03
1Burner049345VUW 286/3-3 R2, with parts 02, 03
2Sealing ring981103
3Screw (PK10)105900
4Nut M6 (PK5)0020026537
5Inspection glass161245
6Ignition/monitoring electrode090709with parts 07, 08
7Gasket electrode980961
8Flat head screw ISO 7045118883
9Ignition cable193590
10Fan193593with parts 11, 12
11Gasket981104
12Packing ring193594
13Gas section053471VUW 286/3-3 R1, with parts 11, 14, 29
13Gas section053471VUW 286/3-3 R2, with parts 11, 14, 29
14Washer (PK10)981142
15no longer available, replacement see pos. 27
16Harness193586
17Insulation193595with parts 02, 03
18not available as spare part, see pos. 30
19Packing ring981107
20Screw (PK10)193597
21Sealing gasket0020038679
22Air inlet duct103404VUW 286/3-3 R1, with part 23
22Air inlet duct103404VUW 286/3-3 R2, with part 23
23Packing ring981111
24Support103405
25Tapping screw (ST 4,8x19)235756
26not available as spare part, see pos. 30
27Gas pipe180945VUW 286/3-3 R1, until 01/07 (with part 28)
28Adaptor piece (gas valve)20010868
29O-ring982319
30Flange (set)0020010867with parts 02 - 05, 07, 08, 12, 14, 17 - 19, 20, 21, 26
31Gas pipe0020046863VUW 286/3-3 R1, from 02/07 (with part 28)
31Gas pipe0020046863VUW 286/3-3 R2, with part 28
32not necessary
33Screw (PK10)509685
34not necessary

EcoTEC Pro 28 Heat Exchanger

ecoTEC pro 24 Heat Exchanger

IDPart DescriptionPart NumberIndicationType, Remarks
1Heat exchanger103411VUW 286/3-3, with parts 02, 03, 04, 05, 06
1Insulation210779for heat exchanger, not shown
2Gasket981227
3Insulation193595
4Sealing gasket0020038679
5O-ring (PK10)103415
6Clip (PK10)103417
7see main component 08a
8not available as spare part, see pos. 12
9not necessary
10Support (PK2)180989with part 11
11Screw (PK10)178968
12Condensate trap180984with part 08
13not necessary
14not necessary
15Cable tree (harness)0020052332

EcoTEC Pro 28 Casing Parts

ecoTEC pro 24 Casing Parts

IDPart DescriptionPart NumberIndicationType, Remarks
1Flue adapter 60/100180932with parts 02, 03, 04
2Cap (PK5)147392
3Gasket981232
4Packing ring981233
5Covering180934with part 06
6Badge118096
7not necessary
8not necessary
9not necessary
10not necessary
11not necessary
12not necessary
13Support180987
14Screw (PK10)105839
15Screw500046
16not necessary
17not necessary

EcoTEC Pro 28 Connection parts Hydroblock

ecoTEC pro 24 Connection parts Hydroblock

IDPart DescriptionPart NumberIndicationType, Remarks
1Support178965 with parts 02, 03, 04, 05, 07, 08, 10, 19, 22, 26, 44
2Washer (PK10)178969
3Washer (PK10)193535
4O-ring (PK10)178991
5Washer (PK10)981142
6Heat exchanger dhw (13 plates)20020018with parts 02, 07
7Screw (PK10)178967
8Guide (PK2)193536
9Connection piece179031with parts 03, 07, 10, 11, 12, 13, 14
10O-ring (PK10)193537
11Clip (PK10)178992
12Clip154150
13O-ring (PK10)178993
14Filter179030with parts 10, 11
15Sensor (water pressure)20059717with parts 12, 13
16Pipe179033with parts 10, 26
17Pipe179034with part 26
18Flow sensor178988with parts 04, 11, 19, 22
19Clip178966
20Connection piece179032with parts 05, 11, 22
21Limiter 9.4l/min012976VUW 286/3-3
21O-ring (PK10)981163
21Pipe179037with parts 05, 21, 26, 46
23Diverter valve178978VUW 286/3-3, with parts 02, 03, 07, 10, 11, 12, 30, 36
24Pipe179036with parts 10, 26
24Washer (PK10)981140
25Connection piece179035with part 26
26Pump178983with parts 02, 03,10, 11, 13, 29, 31, 34, 47
27Automatic air vent104521
28Bypass178980with part 12
29O-ring (PK10)193539
31Clip178981
32Pressure relief valve (3 bar)178985with part 11
34O-ring (PK10)981165
35Grommet980765
36Packing ring (PK10)509120
37Packing ring (PK10)509121
40Harness193587VUW 286/3-3
40not necessary
40NTC sensor (DHW heat exchanger)103430heat exchanger
41Support178984
42Tapping screw (ST 4,8x 9,5) ISO 7049235715
43Nut (PK4)193598
44Filter074514
45Tapping screw (ST 4,8x19)235756
46not necessary
47Three way valve0020020015VUW 286/3-3 R2, with parts 02, 03, 07, 10, 11, 12, 30, 36
48not necessary

EcoTEC Pro 28 Connection parts

ecoTEC pro 24 Connection parts

IDPart DescriptionPart NumberType, RemarksPurchase
2O-ring (PK10)193537
3O-ring (PK10)103415
4Clip (PK10)103417
5Clip (PK10)178992
7O-ring (PK10)193539
9O-ring (PK10)178993
10Washer (PK10)981149
11Clip154150
12Expansion vessel18105110 Litre
13Sensor NTC (CH flow/CH return)193592
14Harness193586
15Pressure gauge180982
16O-ring (PK10)981155
17Pressure gauge clip085751
18not necessary
19Connection tube0020025045 with parts 10, 11,16, 17
20not necessary
21Pump178983
22Connection tube0020068956 with parts 02, 03
23Connection tube0020068958withs parts 02, 07

EcoTEC Pro 28 Connection parts acc

ecoTEC pro 24 Connection parts acc

IDPart DescriptionPart NumberIndicationType, Remarks
1Gas shut-off valve082782
2Pipe with part 030020010290
3Washer (PK10)981140
4not necessary, see pos. 13
5not necessary
6not necessary
7not necessary
8not necessary
9not necessary
10not necessary
11not necessary
12not necessary
13Service cock0020010296with part 03
14Pipe0020010297with part 15
15Washer (PK10)0020010298
16not available as spare part
17Valve014714

EcoTEC Pro 28 Control Box

ecoTEC pro 24 Control Box

IDPart DescriptionPart NumberIndicationType, Remarks
1Casing193582with parts 02, 03
2Fuse 2.0A T (PK10) 2.0 AT251955
3Knobs grey (PK3)117319
4Printed circuit with part 020020052093
5Display0020040154
6Pressure gauge180982
6aPressure gauge clip085751
6bO-ring (PK10)981155
7Harness appliance193586
7Harness193587VUW 286/3-3, hydraulik
8Cable fixation078533
9not necessary
10not necessary
11not necessary
12Support193583
13not necessary
14not necessary

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