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Potterton Nut M6 x 75mm 5142388

Potterton

Potterton Nut M6 x 75mm 5142388

M6 x 75mm nut manufactured by Potterton for Potterton Commercial Sirius 2 and Sirius 3 FS series boilers.

Manufacturer part no.
5142388
Showing prices

£9.96

£8.30 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 NUT - M6 X 75MM is a Potterton fastener intended for Potterton Commercial boiler assemblies. It is an M6 threaded nut with a 75 mm dimension as given in the product name. It is used to secure components during service and repair of the appliances listed below.

Signs this part needs replacing

  • Visible corrosion, rust or surface pitting on the nut
  • Damaged or crossed threads that prevent correct tightening
  • Rounded or distorted hex flats caused by previous removal
  • A missing or loose fixing on the appliance assembly

Before you order

  • Confirm the M6 x 75 mm size matches the fastener being replaced.
  • Check the appliance model against the Fits list above, covering Sirius 2 and Sirius 3 FS variants.
  • Inspect adjacent fixings for corrosion or thread damage so any further fasteners can be ordered at the same time.
  • Note the part number 5142388 to match against your existing component.

Not sure which part?

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