
Navien
Navien Pipe Heat Exchanger Outlet 30029035A
Outlet pipe for the heat exchanger on the Navien NCB300-28K combi boiler, part number 30029035A.
At a glance
- Part type: pipe heat exchanger outlet
£17.65
£14.71 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 pipe heat exchanger outlet is a Navien component (part number 30029035A) used on the NCB300-28K combi boiler. It forms the outlet connection from the heat exchanger, carrying heated water away from the exchanger body. It is a serviceable part intended for replacement when the existing outlet pipe is damaged or leaking.
Signs this part needs replacing
- Water weeping or dripping from the heat exchanger outlet connection
- Visible corrosion, pitting or staining on the pipe
- Scale or debris build-up restricting flow through the outlet
- Cracks, deformation or mechanical damage to the pipe
- Traces of water staining on surrounding components below the outlet
Before you order
- Confirm the appliance model is the Navien NCB300-28K combi
- Check the serial number against the appliance data badge
- Compare the part number 30029035A with the marking on the existing component
- Inspect the outlet connection and seals for damage before fitting
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) | — | — | — |
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.
