Vaillant
Vaillant Adaptor (Gas Section) 0020038598
Gas section adaptor for Vaillant VU 656-7 and Ecomax 665 VU 656-7 appliances.
At a glance
- Also known as 1385540
- Work on gas components must be carried out by a Gas Safe registered engineer
Showing prices
£25.21
£21.01 ex. VAT · VAT at 20%
Available to order · 7 working days
Available to order · 7 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 adaptor (gas section) is a component used in the gas section of compatible Vaillant appliances. It provides a secure connection within the gas train. This part is identified by Vaillant part number 0020038598.
Signs this part needs replacing
- Gas leakage detected around the adaptor joint
- Corrosion or rust visible on the adaptor body
- Damaged or cross-threaded connection
- Loose fit or movement at the gas section joint
Before you order
- Confirm your appliance model matches the fit list above
- Check the existing part number on your appliance
- Ensure the gas section adaptor is the correct component for your boiler
- Work on gas components must be carried out by a Gas Safe registered engineer
Compliance
| Alternative numbers | 1385540 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VU 656-7 | 41-044-59 | 41-044-59 | — | — |
| VAILLANT ecoMAX 665 VU 656-7 (2006-2006) | 41-044-59 | 41-044-59 | — | — |
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.
No technical questions yet for this part.
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Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.