Navien
Navien Pipe Gas 30029040A
Gas pipe 30029040A for Navien NCB500-1S and NCB500-2S combi boilers.
At a glance
- Part type: gas pipe
- Gas-carrying components must be fitted and commissioned by a Gas Safe registered engineer.
£27.67
£23.06 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 Navien gas pipe, part number 30029040A, is a gas-carrying pipe used in the NCB500 series of combi boilers. It forms part of the boiler's internal gas route, carrying gas through the appliance to the combustion assembly. It is listed for the NCB500-1S and NCB500-2S combi models.
Signs this part needs replacing
- A smell of gas, or a leak detected at the pipe or its joints
- Visible corrosion, pitting or discolouration on the pipe surface
- A weeping or damp joint where the pipe connects
- Physical damage, kinking or deformation of the pipe
- Gas pressure readings outside specification traced to the pipework
Before you order
- Confirm the boiler model and serial number match the fitment list above.
- Check part number 30029040A against the appliance's parts list.
- Inspect the existing pipe and its joints to confirm the pipe itself is the failed component.
- Gas-carrying components must be fitted and commissioned by a Gas Safe registered engineer.
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN NCB500-1S+/32K COMBI - (Serial Number 3924) | — | — | — | |
| NAVIEN NCB500-1S+/32K COMBI - (Serial Number 3924) | — | — | — | |
| NAVIEN NCB500-2S+/41K COMBI - (Serial Number 3712) | — | — | — | |
| NAVIEN NCB500-2S+/41K COMBI - (Serial Number 3712) | — | — | — | |
| NAVIEN NCB500-2S/37K COMBI - (Serial Number 3735) | — | — | — | |
| NAVIEN NCB500-2S/37K COMBI - (Serial Number 3735) | — | — | — |
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.