Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Viessmann Seal System D125 Sw 7818682

Viessmann

Viessmann Seal System D125 Sw 7818682

Viessmann seal system D125 Sw, manufacturer part number 7818682.

At a glance

  • Also known as 2322421
Manufacturer part no.
7818682
Showing prices

£20.22

£16.85 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.

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Viessmann Seal System D125 Sw 7818682 is a seal system from Viessmann, identified by the D125 size designation and the Sw suffix. Part number 7818682 identifies this specific variant.

Before you order

  • Confirm that part number 7818682 matches the number shown on the existing component or in the appliance's parts list.
  • Check the D125 size designation and the Sw suffix against the seal system required.
  • Have the appliance model and serial number available when cross-checking the parts list.

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.