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Hamworthy H.S.I. & Flame Probe Securing Screw M3 x 6mm 748013346

Hamworthy

Hamworthy H.S.I. & Flame Probe Securing Screw M3 x 6mm 748013346

M3 x 6 mm socket cap head securing screw for the H.S.I. and flame probe on Hamworthy Wessex 100HE boilers.

At a glance

  • Also known as 2063970
Manufacturer part no.
748013346
Showing prices

£4.20

£3.50 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

This is a securing screw for the hot surface igniter (H.S.I.) and flame probe, manufactured by Hamworthy. It is an M3 x 6 mm long socket cap head screw used to hold the ignition and flame sensing components in position. It is intended for use with the Hamworthy Wessex 100HE high efficiency floor standing boiler.

Signs this part needs replacing

  • Screw head is rounded, chewed or damaged by tools
  • Threads are corroded, seized or will not tighten
  • The H.S.I. or flame probe is loose in its mounting
  • The securing screw is missing from the assembly

Before you order

  • Confirm the screw size is M3 x 6 mm to match the existing fixing
  • Check the appliance model is the Hamworthy Wessex 100HE
  • Confirm the existing screw is a long socket cap head type
  • Confirm the part number 748013346 against the appliance documentation

Not sure which part?

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