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Vokera 8 Litre Expansion Vessel 20138098

Vokera

Vokera 8 Litre Expansion Vessel 20138098

8 litre expansion vessel for Vokera Compact and Vision PLUS boilers, part number 20138098.

At a glance

  • Also known as 1534392
Manufacturer part no.
20138098
Showing prices

£64.16

£53.47 ex. VAT · VAT at 20%

Available to order · 1 working day
Available to order · 1 working day
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 Vokera 8 litre expansion vessel (part number 20138098) is a component used in Vokera Compact and Vision PLUS boilers. It absorbs the expansion of water as it heats within the sealed heating system, helping to maintain stable pressure and prevent stress on other components.

Signs this part needs replacing

  • Boiler pressure rises rapidly when the heating is on and drops when it cools.
  • Frequent need to top up system pressure.
  • Water discharging from the pressure relief valve.
  • Visible corrosion or water staining around the expansion vessel.
  • Boiler locking out or showing a pressure-related fault code.

Before you order

  • Confirm your boiler model is listed in the Fits section.
  • Check the part number 20138098 matches the existing expansion vessel.
  • Ensure the heating system is fully depressurised before replacement.
  • Verify the connection size and mounting arrangement on your boiler.

Not sure which part?

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