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Ferroli O-Ring Automatic Air Vent 39818180

Ferroli

Ferroli O-Ring Automatic Air Vent 39818180

Ferroli 39818180 O-ring for the automatic air vent assembly on a range of Ferroli gas boilers.

At a glance

  • Part type: O-ring for the automatic air vent
Manufacturer part no.
39818180
GC number
372-180
Showing prices

£11.29

£9.41 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 Ferroli 39818180 is an O-ring for the automatic air vent (AAV) assembly on Ferroli gas boilers. It seals the vent body, preventing water loss while allowing trapped air to escape from the system. It is listed by Ferroli under the auto air vent category within gas boiler spares.

Signs this part needs replacing

  • Water weeping or dripping from the automatic air vent body
  • Visible cracking, flattening or hardening of the O-ring
  • Scale or corrosion deposits around the vent seal face
  • Air not venting correctly, with gurgling or trapped air in the system
  • Falling system pressure that cannot be traced to another component

Before you order

  • Confirm the part number 39818180 against your boiler's parts list
  • Check the model against the fit list above before ordering
  • Inspect the full automatic air vent assembly, as the O-ring is one part of it
  • Isolate and drain down as required before removing the vent

Not sure which part?

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