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Hamworthy Ignition Electrode Cable Cranborne THI 573406122

Hamworthy

Hamworthy Ignition Electrode Cable Cranborne THI 573406122

Hamworthy ignition electrode cable for Cranborne THI boilers, carrying the ignition spark to the electrode.

At a glance

  • Appliance family: Cranborne THI
  • Also known as 2063378
Manufacturer part no.
573406122
Showing prices

£65.20

£54.33 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 Hamworthy 573406122 is an ignition electrode cable used on Cranborne THI boilers. It carries the high-voltage ignition signal from the control board to the ignition electrode so the burner can be lit. The cable is supplied as a single lead with the terminations required for the electrode and ignition circuit.

Signs this part needs replacing

  • The boiler fails to ignite and locks out, with no spark at the electrode.
  • Visible damage to the cable insulation, such as cracking, charring or scorching.
  • Brittle or discoloured lead caused by prolonged heat exposure near the burner.
  • Loose, corroded or broken terminals at either end of the cable.
  • Intermittent ignition faults that change when the cable is moved.

Before you order

  • Confirm the boiler model is a Cranborne THI unit.
  • Check the existing cable and electrode terminals for damage before ordering.
  • Verify the part number 573406122 against the appliance's parts list.
  • Isolate the power and gas supply before carrying out any work on the ignition circuit.

Not sure which part?

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