
Navien
Navien Pipe Air Inlet 30021807A
Air inlet pipe for Navien LCB 700 21KW combi, regular and system boilers, internal and external variants.
At a glance
- Part type: air inlet pipe (flue assembly)
- Appliance family: LCB 700 series, 21KW output
£22.66
£18.88 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 Pipe Air Inlet 30021807A is an air inlet pipe classed as a flue assembly component. It is listed by Navien under part number 30021807A for the LCB 700 series of boilers.
Signs this part needs replacing
- Visible cracking, splitting or deformation of the pipe body
- Loose or insecure connection at the air intake or appliance collar
- Whistling or unusual intake noise during operation
- Combustion or air intake fault codes logged at the boiler
- Signs of heat damage or condensate ingress around the pipe
Before you order
- Serial-range note: this part is listed for the LCB 700 Combi External 21KW (Serial Number 1705), so check the serial number of the installed boiler against the fitment list above
- Verify the existing part number 30021807A on the component or in 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 21KW (Serial Number 1705) | — | — | — | |
| NAVIEN LCB 700 COMBI EXTERNAL 21KW (Serial Number 1705) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 21KW (Serial Number 1704) | — | — | — | |
| NAVIEN LCB 700 COMBI INTERNAL 21KW (Serial Number 1704) | — | — | — | |
| NAVIEN LCB 700 REGULAR EXTERNAL 21KW (Serial Number 1474) | — | — | — | |
| NAVIEN LCB 700 REGULAR EXTERNAL 21KW (Serial Number 1474) | — | — | — | |
| NAVIEN LCB 700 REGULAR INTERNAL 21KW (Serial Number 1472) | — | — | — | |
| NAVIEN LCB 700 REGULAR INTERNAL 21KW (Serial Number 1472) | — | — | — | |
| NAVIEN LCB 700 SYSTEM EXTERNAL 21KW (Serial Number 1471) | — | — | — | |
| NAVIEN LCB 700 SYSTEM EXTERNAL 21KW (Serial Number 1471) | — | — | — |
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.
