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Biasi Combustion Chamber Gasket BI1253100

Biasi

Biasi Combustion Chamber Gasket BI1253100

Combustion chamber gasket for Biasi Garda HE Plus and RIVA Advance HE M110 gas boilers, part BI1253100.

At a glance

  • Part type: combustion chamber gasket
  • Also known as COMBUTION-CHAMBER-GASKET, 1651039
  • Combustion chamber work must be carried out by a Gas Safe registered engineer
Manufacturer part no.
BI1253100
GC number
H38-890
Showing prices

£19.62

£16.35 ex. VAT · VAT at 20%

Available to order · 1 working day
Available to order · 1 working day
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 BI1253100 is a combustion chamber gasket used on Garda HE Plus and RIVA Advance HE M110 gas boilers. It seals the joint at the combustion chamber, maintaining a gas-tight closure between the chamber and the surrounding components. The gasket is a service item and is replaced whenever the chamber is opened or the seal is disturbed.

Signs this part needs replacing

  • Visible cracking, splitting or perishing of the gasket material
  • The gasket has hardened or flattened and no longer seals the joint face
  • Soot staining, dark deposits or heat marking around the combustion chamber joint
  • Combustion readings drifting from the values recorded at the last service
  • A smell of combustion products or evidence of leakage at the chamber seal

Before you order

  • Confirm the boiler model and GC number against the fitment list above
  • Check the gasket profile and condition against the part removed from the appliance
  • Isolate the gas and electrical supply before opening the combustion chamber
  • Combustion chamber work must be carried out by a Gas Safe registered engineer

Not sure which part?

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

Biasi BI1253100 Combustion Chamber Gasket