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Worcester Bosch Automatic Air Vent 87186844010

Worcester Bosch

Worcester Bosch Automatic Air Vent 87186844010

Automatic air vent with a 3/8 inch connection for Worcester Bosch Greenstar Heatslave II appliances.

At a glance

  • Also known as 1030023
Manufacturer part no.
87186844010
Showing prices

£22.98

£19.15 ex. VAT · VAT at 20%

Available to order · 1 working day
Available to order · 1 working day
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 a Worcester Bosch automatic air vent with a 3/8 inch connection, supplied under part number 87186844010. It is fitted to Worcester Greenstar Heatslave II appliances, where it automatically releases trapped air from the heating circuit and reduces the risk of air locks, noise and poor circulation.

Signs this part needs replacing

  • Water weeping or dripping from the vent body or cap
  • Air continuously passing through the vent during normal running
  • Persistent air in the system after bleeding, with gurgling or noisy circulation
  • Corrosion or scale build-up around the vent assembly
  • The vent cap no longer sealing or adjusting correctly

Before you order

  • Confirm the part number 87186844010 matches the vent currently fitted
  • Check the connection size is 3/8 inch before removal of the old vent
  • Verify the appliance model against the fits list above
  • Isolate the appliance and drain or depressurise the relevant section before replacement

Not sure which part?

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