Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Alpha O-Ring 1.2343

Alpha

Alpha O-Ring 1.2343

Nitrile O-ring measuring 21.89mm x 2.62mm, 70 shore, for the Alpha InTEC 50CS gas boiler.

At a glance

  • Also known as 1250384
Manufacturer part no.
1.2343
Showing prices

£1.26

£1.05 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

The Alpha 1.2343 is a nitrile O-ring measuring 21.89mm x 2.62mm with a 70 shore hardness. It is fitted to the Alpha InTEC 50CS gas boiler, where it provides a fluid-tight seal at a joint within the appliance.

Signs this part needs replacing

  • Visible cracking, hardening or flattening of the rubber
  • Water weeping or dripping from the joint the O-ring seals
  • Swelling or deformation of the seal
  • Scale, corrosion or staining around the joint
  • A leak that returns shortly after the joint is reassembled

Before you order

  • Confirm the appliance is an Alpha InTEC 50CS
  • Check the dimensions of the O-ring being replaced against 21.89mm x 2.62mm
  • Inspect other seals in the same assembly, as they may also need replacing
  • Confirm the part number 1.2343 against the manufacturer's parts list

Not sure which part?

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