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Biasi O-Ring Gasket BI1262112

Biasi

Biasi O-Ring Gasket BI1262112

Biasi BI1262112 O-ring gasket measuring 2.62mm x 17.86mm, suitable for a range of Biasi Activ A and Advance boilers.

At a glance

  • Part type: O-ring gasket
  • Also known as 1650346
Manufacturer part no.
BI1262112
GC number
H20-970
Showing prices

£0.94

£0.78 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 Biasi BI1262112 is an O-ring gasket with a cross-section of 2.62mm and an internal dimension of 17.86mm. It is a sealing component used on Biasi gas boilers, fitted at a joint or connection to prevent water or gas loss. It is listed by the manufacturer for use across the Activ A and Advance appliance families.

Signs this part needs replacing

  • Visible water weeping or staining around the joint the O-ring seals
  • The O-ring is flattened, hardened or cracked when inspected
  • Scale or corrosion deposits sitting on the seal face
  • Repeated pressure loss on the appliance with no other obvious cause
  • A smell of gas or a detected leak at the sealed connection

Before you order

  • Confirm your boiler model against the fitment list above
  • Check the O-ring dimensions on the part being replaced match 2.62mm x 17.86mm
  • Identify the joint or connection the O-ring is fitted to before removal
  • Check whether more than one seal is required for the same repair

Not sure which part?

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