Navien
Navien Oil Nozzle Assembly 30021144A
Oil nozzle assembly for Navien LCB 700 36KW combi, regular and system boilers.
At a glance
- Part type: oil nozzle assembly
£119.59
£99.66 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 nozzle assembly is a Navien component for the LCB 700 range of oil-fired boilers. It forms part of the burner's oil delivery path, metering and atomising the oil supply so it can be mixed with air and burned correctly. It is listed by Navien under part number 30021144A.
Signs this part needs replacing
- Combustion becomes unstable, with an erratic or pulsating flame
- Soot deposits or blackening around the burner and heat exchanger
- Rising fuel consumption without a change in demand or settings
- Boiler locks out or fails to establish a stable flame on start-up
- Exhaust shows heavy smoke or an unburnt oil smell
Before you order
- Confirm the boiler model is a Navien LCB 700 36KW unit
- Check the serial number against the fitment list above, as internal and external variants differ
- Verify the existing part number 30021144A against the manufacturer's parts list for your appliance
- Confirm the appliance is oil-fired 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.
No technical questions yet for this part.
Not sure which part?
Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.