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Navien Pipe Air Inlet 30021807A

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
Manufacturer part no.
30021807A
Showing prices

£22.66

£18.88 ex. VAT · VAT at 20%

Available to order · 1-2 working days
Available to order · 1-2 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.

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

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.