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Navien Inner Tube 20044765B

Navien

Navien Inner Tube 20044765B

Navien inner tube for LCB 700 28KW Combi, Regular and System boilers, internal and external models.

At a glance

  • Appliance family: Navien LCB 700
Manufacturer part no.
20044765B
Showing prices

£28.04

£23.37 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 Inner Tube 20044765B is a tube; inner component supplied by Navien for the LCB 700 range of boilers. It is classed as a flue assembly part type in the catalogue and is listed for 28KW models.

Signs this part needs replacing

  • Visible cracks, splitting or deformation of the inner tube
  • Water weeping or dripping from the tube or its connections
  • Corrosion, scale build-up or blockages inside the tube
  • Reduced flow or inconsistent heating and hot water performance
  • Unusual noise or vibration from restricted flow through the tube

Before you order

  • Check the serial number against the listed range: LCB 700 COMBI EXTERNAL 28KW (Serial Number 1710).
  • Identify whether the boiler is Combi, Regular or System and Internal or External before ordering.
  • Compare the existing inner tube with the replacement before fitting.

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.