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Vaillant Tube, Hex Outlet 0020231128

Vaillant

Vaillant Tube, Hex Outlet 0020231128

Vaillant heat exchanger outlet tube, part number 0020231128, for HOME Combi and HOME System appliances.

At a glance

  • Appliance family: HOME Combi and HOME System
  • Also known as 1388182
Manufacturer part no.
0020231128
Showing prices

£15.34

£12.78 ex. VAT · VAT at 20%

Available to order · 7 working days
Available to order · 7 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Vaillant 0020231128 is a heat exchanger outlet tube used on Vaillant HOME Combi and HOME System appliances. It carries water away from the heat exchanger as part of the appliance's hydraulic circuit. The part is supplied under Vaillant part number 0020231128.

Signs this part needs replacing

  • Visible weeping or water tracking at the tube or its connections
  • Corrosion, pitting or surface staining on the tube wall
  • Scale or debris build-up restricting flow through the tube
  • Discolouration or heat damage around the tube ends
  • Leaks that reappear after the joint has been remade

Before you order

  • Confirm the appliance model and GC number against the fit list above
  • Check the part number stamped or printed on the existing component
  • Inspect the tube ends and connections for damage before refitting
  • Check whether any seals or washers are required separately for the joint

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.