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Ideal 171845 Burner Earth Pin Kit / Ionisation Probe

Ideal

Ideal 171845 Burner Earth Pin Kit / Ionisation Probe

Insulation retainer and ionisation kit for Ideal Icos and Isar appliances, listed under part 171845 in the burner and burner controls range.

At a glance

  • Part type: Burner & Burner Controls
  • Also known as 5022141718458, IDEAL171845, 266381670893, 43375523, 1178261
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
171845
Showing prices

£29.40

£24.50 ex. VAT · VAT at 20%

In stock
Cut-off passed — dispatches next working day
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 Ideal 171845 is an insulation retainer supplied as part of an ionisation kit for Ideal Icos and Isar appliances. It sits within the burner and burner controls group of spares, where it holds insulating material in position around the ionisation sensing point so the flame detection circuit can read the burner flame correctly. The retainer is a small, precisely formed component, and its condition directly affects how reliably the appliance proves ignition.

Signs this part needs replacing

  • The burner lights and then cuts out shortly afterwards, with the appliance failing to prove flame.
  • Repeated lockouts on ignition, particularly after the boiler has been serviced or the burner assembly disturbed.
  • Visible cracking, charring, distortion or crumbling of the insulation retainer.
  • The retainer no longer holds the insulation securely in place around the ionisation sensing area.
  • Intermittent ignition faults that clear when the burner area is stripped and reassembled.

Before you order

  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
  • Confirm the appliance model and, where available, the GC number against the compatibility list before ordering.
  • Check the existing retainer and surrounding insulation for damage, as the ionisation kit is supplied as a set.
  • Quote part number 171845 when ordering to match the existing component.

Not sure which part?

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