Vaillant
Vaillant Gas Pipe 123535
Vaillant gas pipe, part number 123535, for Ecotec PLUS and Ecomax PRO gas boilers.
At a glance
- Also known as 1375728
- Gas-carrying components must be fitted and commissioned by a Gas Safe registered engineer
Showing prices
£35.47
£29.56 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 123535 is a gas pipe used in Vaillant gas boilers. It forms part of the appliance's gas circuit, conveying gas within the boiler. It is listed for the Ecotec PLUS and Ecomax PRO ranges.
Signs this part needs replacing
- Gas soundness test failure traced to the pipe or its joints
- Visible corrosion, pitting or surface damage on the pipe
- Kinks, dents or deformation restricting gas flow
- A smell of gas around the appliance
- Weeping or staining at pipe connections
Before you order
- Check your boiler's model and GC number against the fitment list above
- Confirm the existing pipe is marked 123535 or matches the layout for your model
- Gas-carrying components must be fitted and commissioned by a Gas Safe registered engineer
- Isolate the gas supply before any work begins
Compliance
| Barcode / EAN | 4024074432532 |
|---|---|
| Alternative numbers | 1375728 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VAILLANT ECOTEC PLUS 415 VU GB 156-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 418 VU GB 186-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 428 VU GB 286-2-0H | — | — | — | |
| VAILLANT VAILLANT ECOTEC PLUS 438 VU GB 386-2-0H | — | — | — | |
| VAILLANT VU 156 | 41-044-53 | 41-044-53 | — | — |
| VAILLANT VU 186 | 41-044-54 | 41-044-54 | — | — |
| VAILLANT VU 186-O | 41-044-30 | 41-044-30 | — | — |
| VAILLANT VU 286 | 41-044-55 | 41-044-55 | — | — |
| VAILLANT VU 286-O | 41-044-31 | 41-044-31 | — | — |
| VAILLANT VU 386 | 41-044-57 | 41-044-57 | — | — |
Showing 10 of 24 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 156 (GC 41-044-53), VU 186 (GC 41-044-54), VU 286 (GC 41-044-55), VU 286-O (GC 41-044-31), VU 386 (GC 41-044-57), ecoTEC PLUS 415 VU 156 (2006) (GC 41-044-53), ecoTEC PLUS 418 VU 186 (2006) (GC 41-044-54), ecoTEC PLUS 428 VU 286 (2006) (GC 41-044-55), ecoTEC PLUS 438 VU 386 (2006) (GC 41-044-57)
manualmanualVAILLANT appliance manual — VU 186-O (GC 41-044-30), ecoMAX PRO 18E VU 186-0 (2003-2006) (GC 41-044-30), ecoMAX PRO 28E VU 286-0 (2003-2006) (GC 41-044-31)
manualNo technical questions yet for this part.
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