Vaillant
Vaillant O-Ring 0020195539
Vaillant O-ring, part 0020195539, for EcoTEC Plus, Ecofit Pure, Ecofit Sustain and Home Regular gas boilers.
At a glance
- Part type: O-ring
- Also known as 1387940
Showing prices
£10.26
£8.55 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 0020195539 is an O-ring supplied as a sealing component for Vaillant gas boilers. It is listed under O-rings, washers and gaskets within the manufacturer's boiler spares range. The O-ring provides a fluid-tight seal at the joint or connection where it is fitted.
Signs this part needs replacing
- Visible cracking, flattening or hardening of the O-ring
- Weeping or dampness around the joint the O-ring seals
- Water or gas traces at the connection after reassembly
- The O-ring has been disturbed during servicing and no longer seats correctly
- Discolouration or swelling of the rubber
Before you order
- Confirm the part number 0020195539 matches the one shown in your appliance's parts list
- Check your boiler model against the fitment list above
- Inspect the joint being sealed to confirm the O-ring is the correct component for that location
- Have the appliance isolated and depressurised before fitting
Compliance
| Alternative numbers | 1387940 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT HOME REGULAR 12 -A | 41-044-88 | 41-044-88 | — | — |
| VAILLANT HOME REGULAR 15 -A | 41-044-89 | 41-044-89 | — | — |
| VAILLANT HOME REGULAR 18 -A | 41-044-90 | 41-044-90 | — | — |
| VAILLANT HOME REGULAR 25 -A | 41-044-92 | 41-044-92 | — | — |
| VAILLANT HOME REGULAR 30 -A | 41-044-93 | 41-044-93 | — | — |
| VAILLANT VU 126/6-5 OV | 41-044-71 | 41-044-71 | — | — |
| VAILLANT VU 126/6-5 OVZ | 41-694-13 | 41-694-13 | — | — |
| VAILLANT VU 156/6-5 OV | 41-044-72 | 41-044-72 | — | — |
| VAILLANT VU 156/6-5 OVZ | 41-694-14 | 41-694-14 | — | — |
| VAILLANT VU 186/6-5 OV | 41-044-73 | 41-044-73 | — | — |
Showing 10 of 38 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 — HOME REGULAR 12 -A (GC 41-044-88), HOME REGULAR 15 -A (GC 41-044-89), HOME REGULAR 18 -A (GC 41-044-90), HOME REGULAR 25 -A (GC 41-044-92), HOME REGULAR 30 -A (GC 41-044-93)
manualmanualVAILLANT appliance manual — VU 126/6-5 OV (GC 41-044-71), VU 156/6-5 OV (GC 41-044-72), VU 186/6-5 OV (GC 41-044-73), VU 246/6-5 OV (GC 41-044-74), VU 306/6-5 OV (GC 41-044-75), ecoTEC PLUS 412 VU 126/6-5 OV (2015) (GC 41-044-71), ecoTEC PLUS 415 VU 156/6-5 OV (2015) (GC 41-044-72), ecoTEC PLUS 418 VU 186/6-5 OV (2015) (GC 41-044-73), ecoTEC PLUS 424 VU 246/6-5 OV (2015) (GC 41-044-74), ecoTEC PLUS 430 VU 306/6-5 OV (2015) (GC 41-044-75)
manualmanualVAILLANT appliance manual — VU 126/6-5 OVZ (GC 41-694-13), VU 156/6-5 OVZ (GC 41-694-14), VU 186/6-5 OVZ (GC 41-694-15), VU 246/6-5 OVZ (GC 41-694-16), VU 306/6-5 OVZ (GC 41-694-17), VU 356/6-5 OVZ (GC 41-044-76), ecoTEC PLUS 412 VU 126/6-5 OVZ (2016) (GC 41-694-13), ecoTEC PLUS 415 VU 156/6-5 OVZ (2016) (GC 41-694-14), ecoTEC PLUS 418 VU 186/6-5 OVZ (2016) (GC 41-694-15), ecoTEC PLUS 424 VU 246/6-5 OVZ (2016) (GC 41-694-16), ecoTEC PLUS 430 VU 306/6-5 OVZ (2016) (GC 41-694-17), ecoTEC PLUS 435 VU 356/6-5 OVZ (2016) (GC 41-044-76)
manualmanualVAILLANT appliance manual — ecoFIT PURE 412 - VU 126/6-3 OV (2016) (GC 41-694-08), ecoFIT PURE 415 - VU 156/6-3 OV (2016) (GC 41-694-09), ecoFIT PURE 418 - VU 186/6-3 OV (2016) (GC 41-694-10), ecoFIT PURE 425 - VU 256/6-3 OV (2016) (GC 41-694-11), ecoFIT PURE 430 - VU 306/6-3 OV (2016) (GC 41-694-12), ecoFIT PURE 435 - VU 356/6-3 OV (2016) (GC 41-694-19)
manualmanualVAILLANT appliance manual — ecoFIT SUSTAIN 415 - VU 156/6-3 OV (2018) (GC 41-694-33), ecoFIT SUSTAIN 418 - VU 186/6-3 OV (2018) (GC 41-694-34), ecoFIT SUSTAIN 430 - VU 306/6-3 OV (2018) (GC 41-694-35)
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