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Alpha plug for pocket flange 1.021464

Alpha

Alpha plug for pocket flange 1.021464

Genuine Alpha plug for the pocket flange (CD25/28/35C), also fitting the Pro Tec Plus and InTec boiler range, part number 1.021464.

At a glance

  • Also known as 1257867
  • This may be gas-related work; where it is, use a Gas Safe registered engineer
Manufacturer part no.
1.021464
Showing prices

£8.92

£7.43 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 plug seals the pocket flange used for a sensor pocket on the boiler's hydraulic circuit. It is a genuine Alpha part, number 1.021464.

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.