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Alpha Screw M4 x 30mm Gas Valve Plug 1.5408

Alpha

Alpha Screw M4 x 30mm Gas Valve Plug 1.5408

M4 x 30mm screw that secures the gas valve plug on Alpha CD series LPG boilers.

At a glance

  • Also known as SCREW-M4-X-30, 1257821
Manufacturer part no.
1.5408
Showing prices

£1.64

£1.37 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 1.5408 is an M4 x 30mm screw used to secure the gas valve plug on Alpha CD series LPG boilers. It is a manufacturer-supplied fastener for the gas valve assembly. The screw retains the plug in position on the gas valve.

Signs this part needs replacing

  • Corrosion or rust visible on the screw
  • Rounded or damaged head that prevents correct tightening
  • Damaged or cross-threaded threads
  • Gas valve plug loose or not seating correctly
  • Screw missing from the gas valve plug

Before you order

  • Confirm your boiler model and GC number against the fitment list
  • Check the screw size required is M4 x 30mm
  • Inspect the gas valve plug and surrounding components for damage
  • Gas work must be carried out by a competent person

Not sure which part?

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