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Alpha Seal Kit 755 Fan/Flue Connector 6.1000755

Alpha

Alpha Seal Kit 755 Fan/Flue Connector 6.1000755

Alpha seal kit 755 for the fan/flue connector, supplied as a gasket for the flue adaptor to boiler.

At a glance

  • Also known as SEAL-KIT-755-FANFLUE-CONN-240280, 1250822
Manufacturer part no.
6.1000755
GC number
343-712
Showing prices

£14.87

£12.39 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

Alpha seal kit 755 is a fan/flue connector seal, supplied as a gasket for the flue adaptor to boiler. It is used on Alpha gas boilers in the 240, 280 and 500 series to seal the flue connection. The part number is 6.1000755.

Signs this part needs replacing

  • Visible cracks, hardening or deterioration of the gasket
  • Soot or staining around the flue adaptor connection
  • Signs of flue gas leakage or condensation around the joint
  • Boiler combustion faults or lockouts linked to flue sealing
  • Gasket flattened or compressed, no longer sealing effectively

Before you order

  • Confirm your boiler model and GC number against the fitment list
  • Check the existing part number or marking on the old gasket
  • This item is described as part of a seal kit — check whether additional seals are required for your repair
  • Ensure the flue adaptor connection is the correct location for this gasket

Not sure which part?

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