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Potterton Overheat Device 260C 5142124

Potterton

Potterton Overheat Device 260C 5142124

Overheat device rated 260°C for Potterton Commercial Sirius FS 400 and FS 525 boilers, part number 5142124.

Manufacturer part no.
5142124
Showing prices

£187.01

£155.84 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 OVERHEAT DEVICE (260C) is a Potterton Commercial safety component rated at 260°C, supplied under part number 5142124. It monitors boiler temperature and interrupts operation if the limit is exceeded, protecting the appliance from overheating. It is used in Potterton Commercial Sirius FS series boilers.

Signs this part needs replacing

  • The boiler locks out or shuts down on an overheat condition.
  • Repeated manual resetting is required to restore operation.
  • The boiler fails to fire or maintain heat after an overheat trip.
  • An overheat or lockout indication remains present.

Before you order

  • Confirm the part number is 5142124.
  • Check the existing overheat device is rated at 260°C.
  • Verify the boiler model is Potterton Commercial Sirius FS 400 or Sirius FS 525.
  • Refer to the appliance documentation for fitment and safety guidance.

Not sure which part?

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