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Riello Ring Nut 3003845

Riello

Riello Ring Nut 3003845

Riello ring nut 3003845, also listed as a ferrule, for RS 38 and RS 38/1 oil boiler burner assemblies.

At a glance

  • Also known as 3206327
Manufacturer part no.
3003845
Showing prices

£13.04

£10.87 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

This Riello ring nut, part number 3003845, is a burner spare also listed as a ferrule. It is used within the burner assembly on compatible Riello oil boiler appliances. The component is catalogued under oil boiler spares for Riello burner applications.

Signs this part needs replacing

  • Visible cracking, deformation or damage to the ring nut or ferrule
  • Thread damage or difficulty tightening the component
  • Oil or fuel weeping around the burner assembly joint
  • Corrosion or pitting on the component
  • Loose fit or inability to secure the burner connection

Before you order

  • Confirm the part number 3003845 matches the component being replaced.
  • Check the burner model and code against the compatibility list above.
  • Inspect the existing ring nut or ferrule for the same fitment before ordering.
  • If unsure, consult the manufacturer's parts list for your appliance.

Not sure which part?

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