Navien
Navien Oil Burner Assembly 30021125A
Oil burner assembly for Navien LCB 700 36KW boilers, covering combi, regular and system models.
At a glance
- Part type: oil burner assembly
- Appliance family: LCB 700
£606.17
£505.14 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 oil burner assembly is a Navien component used in the LCB 700 range of oil-fired boilers. It handles the delivery and combustion of oil within the appliance, forming the core of the burner circuit. This part is listed for the 36KW LCB 700 models across combi, regular and system variants.
Signs this part needs replacing
- The burner fails to fire or repeatedly locks out
- Combustion becomes unstable, with smoke, soot or odour at the appliance
- The flame cuts out shortly after ignition
- The burner runs noisily or unevenly compared with normal operation
- Visible damage, corrosion or wear to the burner assembly
Before you order
- Confirm the appliance is a Navien LCB 700 36KW model
- Check whether the boiler is the combi, regular or system variant
- Check whether the installation is internal or external
- Verify the existing part number against the manufacturer's parts list before ordering
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN LCB 700 COMBI EXTERNAL 36KW (Serial Number 1709) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 36KW (Serial Number 1709) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 36KW (Serial Number 1708) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 36KW (Serial Number 1708) | — | — | — | |
| NAVIEN LCB 700 REGULAR EXTERNAL 36KW (Serial Number 1482) | — | — | — | |
| NAVIEN LCB 700 REGULAR EXTERNAL 36KW (Serial Number 1482) | — | — | — | |
| NAVIEN LCB 700 REGULAR INTERNAL 36KW (Serial Number 1481) | — | — | — | |
| NAVIEN LCB 700 REGULAR INTERNAL 36KW (Serial Number 1481) | — | — | — | |
| NAVIEN LCB 700 SYSTEM EXTERNAL 36KW (Serial Number 1480) | — | — | — | |
| NAVIEN LCB 700 SYSTEM EXTERNAL 36KW (Serial Number 1480) | — | — | — |
Showing 10 of 12 compatible appliances.
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.
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