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Alpha main burner injector 1.18mm natural gas 6.5209150

Alpha

Alpha main burner injector 1.18mm natural gas 6.5209150

Genuine Alpha main burner injector, 1.18mm, for natural gas, part number 6.5209150.

At a glance

  • Also known as MAIN-BURNER-INJECTORNGD118-STYLE, 1250912
  • This is gas work and must be carried out by a Gas Safe registered engineer
Manufacturer part no.
6.5209150
GC number
385-830
Showing prices

£6.55

£5.46 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 the main burner gas injector fitted to affected Alpha boilers, sized at 1.18mm for natural gas, which meters the correct volume of gas into the burner. It is a genuine Alpha part, number 6.5209150.

Signs this part needs replacing

  • Uneven, yellow or lifting flame instead of a steady blue flame
  • Sooting or blockage visible on inspection
  • Poor combustion readings during a service or flue gas analysis
  • Reduced heat output despite the burner firing

Before you order

  • Match this part number and size against the injector fitted to your boiler, and confirm it is the correct gas type (natural gas, not LPG)
  • Isolate the gas supply before removing the injector
  • This is gas work and 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.