Navien
Navien Wire Harness 30018897A
Wire harness for Navien NCB300 combi boilers, manufacturer part number 30018897A.
At a glance
- Part type: wire harness
- Appliance family: NCB300
£4.27
£3.56 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 30018897A is a wire harness supplied for the NCB300 range of combi boilers. It forms part of the appliance's internal electrical wiring, carrying control and component connections between the boiler's electrical points. It is a manufacturer part identified by the number 30018897A.
Signs this part needs replacing
- Visible damage to the harness, such as cracked, brittle or chafed insulation
- Burn marks, discolouration or corrosion at the plug connectors
- Intermittent electrical faults or fault codes that come and go with movement of the loom
- Loose, poorly seated or broken connector terminals at either end of the harness
Before you order
- Confirm the boiler model is an NCB300-28K, NCB300-37K or NCB300-41K
- Check the serial number of the appliance against the model listing before ordering
- Compare the connector layout and number of plugs on the existing harness with the part being ordered
- Read the part number marked on the existing harness where it is legible
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) | — | — | — | |
| NAVIEN NCB300-37K COMBI - (Serial Number 3734) | — | — | — | |
| NAVIEN NCB300-37K COMBI - (Serial Number 3734) | — | — | — | |
| NAVIEN NCB300-41K COMBI - (Serial Number 3711) | — | — | — | |
| NAVIEN NCB300-41K COMBI - (Serial Number 3711) | — | — | — |
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.