Vaillant Combi Boiler

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Plus 637

EcoTEC plus 637 Burner

ecoTEC plus 637 burner

IDPart DescriptionPart NumberNotePurchase
0Conversion set0020010641H -> P (not shown)
0Conversion set0020010642P -> H (not shown)
1Burner VU050430 376/3-5 R1, with parts 02, 03
2Sealing ring981103
3Screw (PK10)105900
4Nut M6 (PK5)0020026537
5Inspection glass161245
6Ignition/monitoring electrode090709
7Gasket electrode980961
8Flat head screw ISO 7045118883
9Ignition cable193590
10Fan193593with parts 11, 12
11Gasket981104
12Packing ring193594
13Gas section053500VU 376/3-5 R1, with parts 11, 14, 29
14Washer (PK10)981142
16Harness0020025036VU 376/3-5 R1
17Insulation193595with parts 02, 03
18not available as spare part, see pos. 30
19Packing ring981107
20Screw (PK10)193597
21Sealing gasket0020038679
22Air inlet duct0020025039VU 376/3-5 R1, with part 23
23Packing ring981111
24Support103405
256 Tapping screw (ST 4,8x19)23575
26not available as spare part, see pos. 30
27Gas pipe180945until 01/07 (with part 28)
28Adaptor piece (gas valve)0020010868
29O-ring982319
30Flange (set)0020010867with parts 02 - 05, 07, 08, 12, 14, 17 - 19, 20, 21, 26
31Gas pipe0020046863from 02/07 (with part 28)
32not necessary
33Screw (PK10)509685
34not necessary

ecoTEC plus 637 heat exchanger

IDPart DescriptionPart NumberNotePurchase
1Heat exchanger0020025040 VU 376/3-5 R1, 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. 09
9Siphonic condensate trap180985with part 08
10Support (PK2)180989with part 11
11Screw (PK10)178968
12not necessary
13not necessary
14not necessary
15Cable tree (harness)0020052332

ecoTEC plus 637 Casing parts

IDPart DescriptionPart NumberNotePurchase
1Flue adapter 60/100180932 with parts 02, 03, 04
2Cap (PK5)147392
3Gasket981232
4Packing ring981233
5Covering180937 VU 376/3-5 R1, with parts 06, 07, 08, 09, 10, 11
6Badge118096
7Cover180940with parts 09, 10, 11
8Hinge180944with part 11
9Magnet (PK2)180941
10Handle (white)180942
11Screw (PK10)193538
12Cover180988
13Support180987
14Screw (PK10)105839
15Screw500046
16not necessary
17not necessary

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