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Ideal Detection Electrode 173868

Ideal

Ideal Detection Electrode 173868

Detection electrode for Ideal Excel HE C24, C28 and C32 gas boilers, sensing flame presence at the burner.

At a glance

  • Also known as IDEAL173868, 1179667, N3126
Manufacturer part no.
173868
Showing prices

£19.87

£16.56 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 detection electrode is a flame sensing component for Ideal Excel HE gas boilers. Mounted at the burner, it monitors flame presence and signals the boiler control board so burner operation is maintained safely. This is Ideal part number 173868.

Signs this part needs replacing

  • Boiler locks out or fails to stay lit after the ignition sequence
  • Repeated flame failure faults logged at the control board
  • Burner drops out intermittently during a demand for heat
  • Lockout clears on reset but returns on the next cycle
  • Electrode tip or ceramic insulation showing cracking, contamination or heavy deposits

Before you order

  • Confirm the appliance model and GC number against the Excel HE models listed above
  • Check the part number marked on the existing electrode against 173868
  • Inspect the electrode lead and connector for damage before fitting a replacement
  • Isolate the gas and electrical supplies before starting work

Not sure which part?

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