Navien
Navien Packing Fan 20042399A
Fan packing for Navien LCB 700 combi, regular and system boilers in 21kW, 28kW and 36kW internal and external models.
At a glance
- Appliance family: LCB 700
£5.39
£4.49 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 fan packing is a sealing component used in the fan assembly of Navien LCB 700 boilers. It is manufactured by Navien and listed under part number 20042399A. The packing sits within the fan arrangement to maintain a correct seal on the appliance.
Signs this part needs replacing
- Visible deterioration, hardening or flattening of the packing material
- Traces of leakage or staining around the fan assembly
- Whistling or unusual noise from the fan area during operation
- Combustion readings drifting outside the expected range for the appliance
- The packing is disturbed or damaged during fan removal or servicing
Before you order
- Confirm your appliance is a Navien LCB 700 boiler
- Check the model variant (Combi, Regular or System), output and internal or external installation against the fit list
- Verify the part number 20042399A against the manufacturer's parts list for your appliance
- Inspect the fan assembly before ordering to confirm the packing is the component required
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) | — | — | — |
Showing 10 of 36 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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