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Sime Valve Air Vent Knob 6230960

Sime

Sime Valve Air Vent Knob 6230960

Air vent knob for Sime gas boilers, part number 6230960.

At a glance

  • Also known as 2042442
Manufacturer part no.
6230960
Showing prices

£3.76

£3.13 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 Sime 6230960 is an air vent knob used on the automatic air vent assembly of Sime gas boilers. It allows the vent to be opened and closed manually so trapped air can be released from the heating circuit. It is a small service component fitted to the boiler's air vent body.

Signs this part needs replacing

  • The knob is missing, cracked or snapped off the vent body
  • The knob turns freely without operating the vent
  • The vent cannot be opened or closed manually, leaving air trapped in the system
  • Water weeping from the vent area around the knob
  • Persistent gurgling or air noise in the boiler that cannot be cleared

Before you order

  • Confirm the appliance model against the fit list above
  • Check the part number 6230960 matches the number on the existing component or the manufacturer's parts list
  • Inspect the air vent body itself for damage, as a failed vent may need more than the knob
  • Check the knob is the correct fitment for the vent assembly on your appliance

Not sure which part?

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