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Potterton Burner FS90 5142384

Potterton

Potterton Burner FS90 5142384

Burner FS90 for Potterton Commercial Sirius 2 and Sirius 3 FS and WH boilers, part number 5142384.

Manufacturer part no.
5142384
Showing prices

£278.40

£232.00 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 BURNER (FS90) is a gas burner assembly supplied by Potterton for its commercial boiler range, carrying part number 5142384. It sits in the combustion chamber and delivers the air and gas mixture that produces the flame. It is listed under the Potterton Commercial spares range for Sirius 2 and Sirius 3 appliances.

Signs this part needs replacing

  • Repeated flame failure or lockout on ignition
  • Visible distortion, cracking or corrosion of the burner head or body
  • Soot deposits or a visibly altered flame pattern at the burner
  • Unstable or noisy combustion during operation
  • Combustion readings that cannot be brought back within tolerance after servicing

Before you order

  • Confirm the appliance model against the fits list above
  • Check the existing burner for its part number and compare it with 5142384
  • Note the appliance's date of manufacture where a model is listed with a date restriction
  • Confirm whether the installation is the FS or WH variant

Not sure which part?

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