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McDonald Water Storage WU12EV 12 Litre Potable Expansion Vessel

Advanced Water

McDonald Water Storage WU12EV 12 Litre Potable Expansion Vessel

A 12 litre potable expansion vessel from McDonald Water Storage, part WU12EV, for absorbing expansion in sealed potable water systems.

At a glance

  • Also known as 2080712
Manufacturer part no.
366-147-0121
Showing prices

£95.39

£79.49 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 McDonald Water Storage WU12EV is a 12 litre potable expansion vessel. It accommodates the expansion of water as it is heated, limiting pressure rise in sealed potable water systems. The unit is listed under the Advanced Water brand.

Before you order

  • Confirm that 12 litres matches the expansion capacity required for the system.
  • Check that the vessel is suitable for the potable water application it is intended for.
  • Verify the connection size and thread against the existing vessel or the manufacturer's installation instructions.
  • Check that the installation position provides sufficient room for the vessel and its connections.

Not sure which part?

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