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Sime Selector & Temperature Knob 40mm Dia 6290100

Sime

Sime Selector & Temperature Knob 40mm Dia 6290100

40mm selector and temperature control knob for Sime boilers, sold under part number 6290100.

At a glance

  • Also known as WHITE-KNOB--40
Manufacturer part no.
6290100
Showing prices

£2.95

£2.46 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 40mm selector and temperature knob is a control knob for Sime boilers, part number 6290100. It is used to operate the selector and temperature settings on the boiler's control. Fitment is listed for 81 Sime appliances, including the Ecomfort 25HE.

Signs this part needs replacing

  • The knob spins freely on the control without changing the setting.
  • The knob is loose on its spindle or wobbles when turned.
  • The knob is cracked, chipped or broken.
  • The selector or temperature markings have worn away, making settings hard to read.
  • The knob is stiff or sticks when turned.

Before you order

  • Check your boiler model and GC number against the fitment list, as many Sime models are listed.
  • Confirm that you need the selector and temperature knob for your boiler's control.
  • Check that the existing knob is 40mm in diameter.
  • If you are cross-referencing, alternative part number WHITEKNOB40 is listed below.

Not sure which part?

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