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Sime Venturi Fan 6223351

Sime

Sime Venturi Fan 6223351

Fan venturi for Sime gas boilers, part number 6223351, superseding earlier code 6223350.

At a glance

  • Part type: fan venturi
  • Also known as 2040864
Manufacturer part no.
6223351
Showing prices

£11.24

£9.37 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 Sime 6223351 is a fan venturi for Sime gas boilers. It sits in the fan and combustion air circuit and establishes the pressure differential that the boiler's air pressure sensing circuit relies on. This part supersedes earlier code 6223350.

Signs this part needs replacing

  • Boiler locks out or fails to fire, with a fan or air pressure fault indicated
  • Repeated air pressure switch faults after the fan itself has been checked
  • Whistling, rasping or uneven noise from the fan and air intake area
  • Poor or unstable combustion readings that do not correct after servicing
  • Visible cracking, blockage or debris build-up in the venturi

Before you order

  • Confirm your boiler model against the fit list above, including the gas type (natural gas or LPG) where a variant is listed.
  • Check the part number on the existing venturi or against the appliance's parts list before ordering.
  • Confirm whether your appliance uses the earlier 6223350 code, as 6223351 supersedes it.
  • Check the fan and air pressure switch as well, since faults in these components can produce similar symptoms.

Not sure which part?

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