Vaillant
Vaillant Adapter, By-Pass 0010028566
Vaillant by-pass adapter, part number 0010028566, for use with Ecotec and Ecotec PLUS condensing appliances.
At a glance
- Part type: adapter, by-pass
- Appliance family: Ecotec and Ecotec PLUS condensing boilers
- Also known as 1391640
£8.77
£7.31 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vaillant by-pass adapter, part number 0010028566, is a hydraulic component used within the appliance's by-pass arrangement. It forms part of the water circuit on Vaillant Ecotec and Ecotec PLUS condensing boilers, where it supports correct flow through the heat exchanger and system. It is a manufacturer-supplied part for service and repair work.
Signs this part needs replacing
- Visible leakage or weeping at the by-pass adapter connection
- Scale, corrosion or debris build-up restricting the by-pass passage
- Damaged or perished seals at the adapter
- System differential pressure that cannot be set correctly during commissioning or servicing
- Noise or vibration from the by-pass area under operating conditions
Before you order
- Confirm your appliance model against the fit list above
- Check the existing part number 0010028566 against the component being replaced
- Verify the appliance variant and generation, as fitment is limited to the models listed
- Inspect the surrounding hydraulic components for related damage before fitting
Compliance
| Alternative numbers | 1391640 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT ecoTEC 610 VU 10 CS/1-5 (2023) | 41-694-45 | 41-694-45 | — | — |
| VAILLANT ecoTEC 615 VU 15 CS/1-5 (2023) | 41-694-46 | 41-694-46 | — | — |
| VAILLANT ecoTEC 620 VU 20 CS/1-5 (2023) | 41-694-47 | 41-694-47 | — | — |
| VAILLANT ecoTEC 625 VU 25 CS/1-5 (2023) | 41-694-48 | 41-694-48 | — | — |
| VAILLANT ecoTEC 630 VU 30 CS/1-5 (2023) | 41-694-49 | 41-694-49 | — | — |
| VAILLANT ecoTEC 635 VU 35 CS/1-5 (2023) | 41-694-50 | 41-694-50 | — | — |
| VAILLANT ecoTEC PLUS 826 VUW 20/26 CS/1-5 (2023) | 47-044-92 | 47-044-92 | — | — |
| VAILLANT ecoTEC PLUS 832 VUW 25/32 CS/1-5 (2023) | 47-044-93 | 47-044-93 | — | — |
| VAILLANT ecoTEC PLUS 836 VUW 30/36 CS/1-5 (2023) | 47-044-94 | 47-044-94 | — | — |
| VAILLANT ecoTEC PLUS 840 VUW 30/40 CS/1-5 (2023) | 47-044-95 | 47-044-95 | — | — |
Showing 10 of 11 compatible appliances.
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.
VAILLANT appliance manual — ecoTEC 610 VU 10 CS/1-5 (2023) (GC 41-694-45), ecoTEC 615 VU 15 CS/1-5 (2023) (GC 41-694-46), ecoTEC 620 VU 20 CS/1-5 (2023) (GC 41-694-47), ecoTEC 625 VU 25 CS/1-5 (2023) (GC 41-694-48), ecoTEC 630 VU 30 CS/1-5 (2023) (GC 41-694-49), ecoTEC 635 VU 35 CS/1-5 (2023) (GC 41-694-50), ecoTEC PLUS 826 VUW 20/26 CS/1-5 (2023) (GC 47-044-92), ecoTEC PLUS 832 VUW 25/32 CS/1-5 (2023) (GC 47-044-93), ecoTEC PLUS 836 VUW 30/36 CS/1-5 (2023) (GC 47-044-94), ecoTEC PLUS 840 VUW 30/40 CS/1-5 (2023) (GC 47-044-95)
manualmanualVAILLANT appliance manual — ecoTEC PLUS 940 VUI 30/40 CS/1-5 (2023) (GC 47-044-96)
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