Navien
Navien Pipe Gas 30029136A
Gas pipe for the Navien NCB300-28K Combi boiler.
At a glance
- Part type: Gas pipe
- Appliance family: NCB300-28K Combi
- Work on gas components must be carried out by a Gas Safe registered engineer
Showing prices
£27.67
£23.06 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 Navien gas pipe (part number 30029136A) is a gas-carrying component for the Navien NCB300-28K Combi boiler. It forms part of the appliance's gas supply path. This pipe is specific to the NCB300-28K Combi model.
Signs this part needs replacing
- Visible corrosion or rust on the pipe surface
- Gas smell or detectable leak near the pipe
- Physical damage such as dents, cracks, or deformation
- Discolouration or soot marks indicating overheating or leakage
Before you order
- Confirm your boiler model is the Navien NCB300-28K Combi
- Check the serial number against the fitment information
- Verify the existing pipe's part number or visual match
- Work on gas components must be carried out by a Gas Safe registered engineer
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN NCB300-28K COMBI - (Serial Number 3710) | — | — | — | |
| NAVIEN NCB300-28K COMBI - (Serial Number 3710) | — | — | — |
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.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.