Vaillant
Vaillant O-Ring (PK 10) 0020135135
Vaillant 0020135135 O-ring pack of 10 for ecoTEC PLUS gas boilers, used to seal connections and prevent leaks.
At a glance
- Also known as 1383439
Showing prices
£20.36
£16.97 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vaillant 0020135135 is an O-ring pack containing 10 O-rings. It is used on Vaillant ecoTEC PLUS gas boilers. O-rings seal connections within the appliance to prevent leaks.
Signs this part needs replacing
- Visible cracks, splits or flattening on the O-ring
- Hardened or brittle O-ring that has lost elasticity
- Water weeping or dripping from the sealed joint
- Limescale or debris build-up on the O-ring surface
- Repeated pressure loss or leak detection at the connection
Before you order
- Confirm your boiler model and variant match the fitment list.
- Check how many O-rings are required for the repair; this pack contains 10.
- Inspect the sealing surface and mating parts for damage before fitting.
- Refer to the manufacturer's parts list if you are unsure of compatibility.
Compliance
| Barcode / EAN | 4024074617434 |
|---|---|
| Alternative numbers | 1383439 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VAILLANT ECOTEC PLUS 612 VU 126-5-5 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 612 VU 126-5-5 R1 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 612 VU 126-5-5 R2 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 615 VU 156-5-5 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 615 VU 156-5-5 R1 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 615 VU 156-5-5 R2 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 618 VU 186-5-5 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 618 VU 186-5-5 R1 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 618 VU 186-5-5 R2 | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 624 VU 246-5-5 | — | — | — |
Showing 10 of 184 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
manual
VAILLANT appliance manual — VU 126/5-5 (GC 41-044-60), VU 126/5-5 R1 (GC 41-044-60), VU 126/5-5 R2 (GC 41-044-60), VU 126/5-5 R4 (GC 41-044-60), VU 156/5-5 (GC 41-044-61), VU 156/5-5 R1 (GC 41-044-61), VU 156/5-5 R2 (GC 41-044-61), VU 156/5-5 R4 (GC 41-044-61), VU 186/5-5 (GC 41-044-62), VU 186/5-5 R1 (GC 41-044-62), VU 186/5-5 R2 (GC 41-044-62), VU 186/5-5 R4 (GC 41-044-62), VU 246/5-5 (GC 41-044-63), VU 246/5-5 R1 (GC 41-044-63), VU 246/5-5 R2 (GC 41-044-63), VU 246/5-5 R4 (GC 41-044-63), VU 306/5-5 (GC 41-044-63), VU 306/5-5 R1 (GC 41-044-64), VU 306/5-5 R2 (GC 41-044-64), VU 306/5-5 R4 (GC 41-044-64), VU 376/5-5 (GC 41-044-65), VU 376/5-5 R1 (GC 41-044-65), VU 376/5-5 R2 (GC 41-044-65), VU 376/5-5 R4 (GC 41-044-65), VUW 246/5-5 (GC 47-044-40), VUW 246/5-5 R1 (GC 47-044-40), VUW 246/5-5 R2 (GC 41-044-63), VUW 246/5-5 R4 (GC 47-044-40), VUW 316/5-5 (GC 47-044-41), VUW 316/5-5 R1 (GC 47-044-41), VUW 316/5-5 R2 (GC 47-044-41), VUW 316/5-5 R4 (GC 47-044-41), VUW 376/5-5 (GC 47-044-42), VUW 376/5-5 R1 (GC 47-044-42), VUW 376/5-5 R2 (GC 47-044-42), VUW 376/5-5 R4 (GC 47-044-42), ecoTEC PLUS 612 VU 126/5-5 (2012-2012) (GC 41-044-60), ecoTEC PLUS 612 VU 126/5-5 R1 (2012-2013) (GC 41-044-60), ecoTEC PLUS 612 VU 126/5-5 R2 (2013-2015) (GC 41-044-60), ecoTEC PLUS 612 VU 126/5-5 R4 (2015-2015) (GC 41-044-60), ecoTEC PLUS 615 VU 156/5-5 (2012-2012) (GC 41-044-61), ecoTEC PLUS 615 VU 156/5-5 R1 (2012-2013) (GC 41-044-61), ecoTEC PLUS 615 VU 156/5-5 R2 (2013-2015) (GC 41-044-61), ecoTEC PLUS 615 VU 156/5-5 R4 (2015-2015) (GC 41-044-61), ecoTEC PLUS 618 VU 186/5-5 (2012-2012) (GC 41-044-62), ecoTEC PLUS 618 VU 186/5-5 R1 (2012-2013) (GC 41-044-62), ecoTEC PLUS 618 VU 186/5-5 R2 (2013-2015) (GC 41-044-62), ecoTEC PLUS 618 VU 186/5-5 R4 (2015-2015) (GC 41-044-62), ecoTEC PLUS 624 VU 246/5-5 (2012-2012) (GC 41-044-63), ecoTEC PLUS 624 VU 246/5-5 R1 (2012-2013) (GC 41-044-63), ecoTEC PLUS 624 VU 246/5-5 R2 (2013-2015) (GC 41-044-63), ecoTEC PLUS 624 VU 246/5-5 R4 (2015-2015) (GC 41-044-63), ecoTEC PLUS 630 VU 306/5-5 (2012-2012) (GC 41-044-63), ecoTEC PLUS 630 VU 306/5-5 R1 (2012-2013) (GC 41-044-64), ecoTEC PLUS 630 VU 306/5-5 R2 (2013-2014) (GC 41-044-64), ecoTEC PLUS 630 VU 306/5-5 R4 (2015-2015) (GC 41-044-64), ecoTEC PLUS 637 VU 376/5-5 (2012-2012) (GC 41-044-65), ecoTEC PLUS 637 VU 376/5-5 R1 (2012-2013) (GC 41-044-65), ecoTEC PLUS 637 VU 376/5-5 R2 (2013-2014) (GC 41-044-65), ecoTEC PLUS 637 VU 376/5-5 R4 (2014-2015) (GC 41-044-65), ecoTEC PLUS 824 VUW 246/5-5 (2012-2012) (GC 47-044-40), ecoTEC PLUS 824 VUW 246/5-5 R1 (2012-2013) (GC 47-044-40), ecoTEC PLUS 824 VUW 246/5-5 R2 (2013-2015) (GC 41-044-63), ecoTEC PLUS 824 VUW 246/5-5 R4 (2015-2015) (GC 47-044-40), ecoTEC PLUS 831 VUW 316/5-5 (2012-2012) (GC 47-044-41), ecoTEC PLUS 831 VUW 316/5-5 R1 (2012-2013) (GC 47-044-41), ecoTEC PLUS 831 VUW 316/5-5 R2 (2013-2015) (GC 47-044-41), ecoTEC PLUS 831 VUW 316/5-5 R4 (2015-2015) (GC 47-044-41), ecoTEC PLUS 837 VUW 376/5-5 (2012-2012) (GC 47-044-42), ecoTEC PLUS 837 VUW 376/5-5 R1 (2012-2013) (GC 47-044-42), ecoTEC PLUS 837 VUW 376/5-5 R2 (2013-2014) (GC 47-044-42), ecoTEC PLUS 837 VUW 376/5-5 R4 (2015-2015) (GC 47-044-42)
manualmanualVAILLANT appliance manual — VU 126/5-5 A R4 (GC 41-044-78), VU 156/5-5 A R4 (GC 41-044-79), VU 186/5-5 A R4 (GC 41-044-80), VU 246/5-5 A R4 (GC 41-044-82), VU 306/5-5 A R4 (GC 41-044-83), VU 376/5-5 A R4 (GC 41-044-85), VUW 256/5-5 R4 (GC 47-044-57), VUW 326/5-5 R4 (GC 47-044-58), VUW 356/5-5 R4 (GC 47-044-53), VUW 386/5-5 R4 (GC 47-044-60), ecoTEC PLUS 612 VU 126/5-5 A R4 (2015) (GC 41-044-78), ecoTEC PLUS 615 VU 156/5-5 A R4 (2015) (GC 41-044-79), ecoTEC PLUS 618 VU 186/5-5 A R4 (2015) (GC 41-044-80), ecoTEC PLUS 624 VU 246/5-5 A R4 (2015) (GC 41-044-82), ecoTEC PLUS 630 VU 306/5-5 A R4 (2015) (GC 41-044-83), ecoTEC PLUS 637 VU 376/5-5 A R4 (2015) (GC 41-044-85), ecoTEC PLUS 825 VUW 256/5-5 R4 (2015) (GC 47-044-57), ecoTEC PLUS 832 VUW 326/5-5 R4 (2015) (GC 47-044-58), ecoTEC PLUS 835 VUW 356/5-5 R4 (2015) (GC 47-044-53), ecoTEC PLUS 838 VUW 386/5-5 R4 (2015) (GC 47-044-60)
manualmanualVAILLANT appliance manual — VU 126/5-5 R6 (GC 41-694-20), VU 156/5-5 R6 (GC 41-694-21), VU 186/5-5 R6 (GC 41-694-22), VU 186/5-5 R6 LPG (GC 41-694-23), VU 246/5-5 R6 (GC 41-694-24), VU 306/5-5 R6 (GC 41-694-25), VU 306/5-5 R6 LPG (GC 41-694-26), VU 386/5-5 R6 (GC 41-694-27), VUW 196/5-5 R6 (GC 47-044-83), VUW 246/5-5 R6 (GC 47-044-84), VUW 246/5-5 R6 LPG (GC 47-044-85), VUW 286/5-5 R6 (GC 47-044-86), VUW 306/5-5 R6 (GC 47-044-82), ecoTEC PLUS 612 VU 126/5-5 R6 (2017) (GC 41-694-20), ecoTEC PLUS 615 VU 156/5-5 R6 (2017) (GC 41-694-21), ecoTEC PLUS 618 VU 186/5-5 R6 (2017) (GC 41-694-22), ecoTEC PLUS 618 VU 186/5-5 R6 LPG (2017) (GC 41-694-23), ecoTEC PLUS 624 VU 246/5-5 R6 (2017) (GC 41-694-24), ecoTEC PLUS 630 VU 306/5-5 R6 (2017) (GC 41-694-25), ecoTEC PLUS 630 VU 306/5-5 R6 LPG (2017) (GC 41-694-26), ecoTEC PLUS 637 VU 386/5-5 R6 (2017) (GC 41-694-27), ecoTEC PLUS 825 VUW 196/5-5 R6 (2017) (GC 47-044-83), ecoTEC PLUS 832 VUW 246/5-5 R6 (2017) (GC 47-044-84), ecoTEC PLUS 832 VUW 246/5-5 R6 LPG (2017) (GC 47-044-85), ecoTEC PLUS 835 VUW 306/5-5 R6 (2017) (GC 47-044-82), ecoTEC PLUS 838 VUW 286/5-5 R6 (2017) (GC 47-044-86)
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