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Alpha 45mm Inner Flue Duct Clamp 6.5621890

Alpha

Alpha 45mm Inner Flue Duct Clamp 6.5621890

45mm inner flue duct clamp for Alpha gas boilers, part number 6.5621890.

At a glance

  • Also known as 45MM-CLAMP-INNER-FLUE, 1251109
Manufacturer part no.
6.5621890
GC number
343-676
Showing prices

£15.16

£12.63 ex. VAT · VAT at 20%

Available to order · 7 working days
Available to order · 7 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 45mm inner flue duct clamp (part number 6.5621890) is a securing component for the inner flue duct on a range of Alpha gas boilers. It holds the inner flue section in position and keeps the flue joint secure. It is a service part covering the Alpha 240, 280, CB, HE, C and SY appliance families.

Signs this part needs replacing

  • The inner flue duct is loose or can be moved by hand
  • Visible corrosion, cracking or distortion of the clamp
  • Staining or signs of leakage at the flue joint
  • Rattling or vibration from the flue assembly
  • Clamp missing or not refitted after flue work

Before you order

  • Confirm your boiler model and GC number against the Fits list
  • Check the inner flue duct diameter is 45mm
  • Inspect the existing clamp and flue joint for damage
  • Refer to the manufacturer's parts list if your model is not listed

Not sure which part?

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