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Buderus Orifice 2E (G20) 4.45mm 7099090

Buderus

Buderus Orifice 2E (G20) 4.45mm 7099090

Buderus 7099090 orifice, 2E marked for G20 natural gas with a 4.45 mm bore, for 500 and 600 series boilers.

At a glance

  • Also known as 2241877
Manufacturer part no.
7099090
Showing prices

£45.76

£38.13 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 Buderus 7099090 is a gas orifice marked 2E for use with G20 (natural gas), with a bore diameter of 4.45 mm. It is fitted in the gas train of Buderus 500 and 600 series gas boilers, where it meters the gas flow to the burner. The orifice bore size determines the gas rate for the appliance it is fitted to.

Signs this part needs replacing

  • Gas rate at the meter falls outside the figure stated for the appliance
  • Burner pressure or combustion readings cannot be brought into specification
  • Visible debris, corrosion or a deformed bore in the orifice
  • Sooting or unstable flame pattern at the burner
  • Orifice has been removed and refitted repeatedly, with damage to the bore or seating face

Before you order

  • Confirm the appliance model against the fit list above before ordering
  • Confirm the appliance is set for G20 (natural gas) and not another gas group
  • Check the marking on the existing orifice to verify the 2E designation and 4.45 mm bore
  • Verify the part number 7099090 on the existing component or in the appliance documentation

Not sure which part?

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