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Viessmann O-Ring Set 7826214

Viessmann

Viessmann O-Ring Set 7826214

Viessmann O-ring set, 5 pieces, for heat exchanger joints on Vitodens gas boilers.

At a glance

  • Also known as 2320216
Manufacturer part no.
7826214
Showing prices

£8.51

£7.09 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 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

A Viessmann O-ring set supplied as five pieces under part number 7826214. The rings seal the heat exchanger connections on Vitodens gas boilers, with manufacturer data listing the set as applicable from 20.06.2007. Catalogue references describe the same set as a heat exchanger O-ring of 21 mm x 3 mm.

Signs this part needs replacing

  • Water weeping or tracking from the heat exchanger connection
  • Visible flattening, hardening or cracking of the O-ring once the joint is opened
  • Scale, corrosion debris or pitting on the sealing face or the O-ring groove
  • Repeated loss of system pressure with no other obvious source
  • Damp staining or residue around the heat exchanger pipework

Before you order

  • Confirm your boiler model and serial number against the fit list above
  • Check the O-ring dimensions against the joint being sealed before fitting
  • Confirm how many O-rings the joint requires, as the set is supplied as five pieces
  • Inspect the sealing faces and groove for damage that would prevent the O-ring sealing correctly

Not sure which part?

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