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Andrews O-Ring Flue Adaptor Inner 80mm WHI49

Andrews

Andrews O-Ring Flue Adaptor Inner 80mm WHI49

80mm inner flue adaptor O-ring for Andrews Fastflo water heaters, manufacturer part WHI49.

At a glance

  • Part type: O-ring for the inner flue adaptor
  • Also known as 1822914
Manufacturer part no.
7700329
Showing prices

£75.59

£62.99 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 Andrews inner flue adaptor O-ring (80mm) is a sealing component for the concentric flue connection on Andrews Fastflo water heaters. It seals the inner flue adaptor joint, which forms part of the flue box assembly. Manufacturer part number WHI49.

Signs this part needs replacing

  • Visible cracking, hardening or flattening of the rubber seal
  • Condensate weeping or staining around the flue adaptor joint
  • Flue gas readings drifting, or a leak detected at the flue connection
  • The O-ring has been disturbed or damaged during flue servicing

Before you order

  • Confirm your appliance model appears in the fitment list above
  • Check that the flue adaptor is the 80mm inner type
  • Confirm the inner O-ring is the seal being replaced rather than the outer
  • Have the part number WHI49 and product code 7700329 to hand

Not sure which part?

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