Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Alpha gasket 24mm x 16mm x 2mm 1.023992

Alpha

Alpha gasket 24mm x 16mm x 2mm 1.023992

Genuine Alpha gasket, 24mm x 16mm x 2mm, for the Pro Tec Plus, Eco²/InTec² boiler range, part number 1.023992.

At a glance

  • Also known as 1258477
  • This may be gas-related work; where it is, use a Gas Safe registered engineer
Manufacturer part no.
1.023992
Showing prices

£2.35

£1.96 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

This is a sealing gasket, 24mm x 16mm x 2mm, used within the boiler's hydraulic circuit on the Pro Tec Plus and Eco²/InTec² platform. It is a genuine Alpha part, number 1.023992.

Signs this part needs replacing

  • Water, gas or condensate weeping from the joint the gasket seals
  • The gasket is visibly perished, flattened, cracked or has hardened with age
  • The boiler fails a tightness or leak check at the joint

Before you order

  • Match the gasket's dimensions against the one removed from your boiler
  • Isolate the relevant supply before removing the joint it seals
  • This may be gas-related work; where it is, use 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.