Navien
Navien Oil Nozzle 20043604A
Oil nozzle rated 0.75G with an 80ES spray pattern, manufactured by Navien for LCB 700 series boilers.
At a glance
- Appliance family: LCB 700 series oil boilers
£13.55
£11.29 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 oil nozzle 20043604A is a burner nozzle rated 0.75G with an 80ES spray pattern. It is fitted to Navien LCB 700 series oil boilers, where it atomises the oil supply into a fine spray for combustion at the burner head.
Signs this part needs replacing
- Sooting or black smoke at the flue, indicating poor atomisation
- Unstable or pulsating flame at the burner
- Difficulty establishing or maintaining ignition
- Rising CO readings or a failed combustion analysis
- Oil weeping or dripping from the nozzle body
Before you order
- Confirm your appliance model against the fit list above
- Check the nozzle rating on the appliance data plate matches 0.75G and 80ES
- Inspect the oil supply, filter and pump pressure before fitting a new nozzle
- Check the burner head and electrodes for wear at the same time
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| NAVIEN LCB 700 COMBI EXTERNAL 28KW (Serial Number 1710) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 28KW (Serial Number 1710) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 28KW (Serial Number 1706) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 28KW (Serial Number 1706) | — | — | — | |
| NAVIEN LCB 700 REGULAR EXTERNAL 28KW (Serial Number 1478) | — | — | — | |
| NAVIEN LCB 700 REGULAR EXTERNAL 28KW (Serial Number 1478) | — | — | — | |
| NAVIEN LCB 700 REGULAR INTERNAL 28KW (Serial Number 1477) | — | — | — | |
| NAVIEN LCB 700 REGULAR INTERNAL 28KW (Serial Number 1477) | — | — | — | |
| NAVIEN LCB 700 SYSTEM EXTERNAL 28KW (Serial Number 1476) | — | — | — | |
| NAVIEN LCB 700 SYSTEM EXTERNAL 28KW (Serial Number 1476) | — | — | — |
Showing 10 of 12 compatible appliances.
Documents & drawings
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