
Navien
Navien Burner Wire Harness 30022935A
Burner wire harness for Navien LCB 700 combi, regular and system boilers.
At a glance
- Part type: wire harness, burner
- Appliance family: LCB 700
£73.18
£60.98 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 burner wire harness is a Navien electrical loom that connects the burner assembly to the boiler's control electronics. It is used across the Navien LCB 700 range of combi, regular and system boilers. The harness carries the control and sensing signals required for correct burner operation.
Signs this part needs replacing
- Burner fails to ignite or ignition is intermittent
- Boiler locks out with a flame or ignition fault code
- Burner cuts out shortly after firing
- Visible heat damage, brittleness or chafing on the harness
- Loose, corroded or pushed-back connector terminals at the burner
Before you order
- Confirm the boiler model and variant against the fit list above
- Check the existing harness part number matches 30022935A
- Inspect the burner connector plugs for damage before fitting
- Isolate the electrical supply before removing the old harness
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN LCB 700 COMBI EXTERNAL 21KW (Serial Number 1705) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 21KW (Serial Number 1705) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 28KW (Serial Number 1710) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 28KW (Serial Number 1710) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 36KW (Serial Number 1709) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 36KW (Serial Number 1709) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 21KW (Serial Number 1704) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 21KW (Serial Number 1704) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 28KW (Serial Number 1706) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 28KW (Serial Number 1706) | — | — | — |
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