Baxi Spark Generator / Ignitor — Part No. 5114766 (ZAG 2 XV 01)

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Baxi 5114766 Ignitor (Spark Generator)

Fix “no spark / no ignition” issues on popular Baxi, Main & Potterton boilers. This OEM ZAG 2 spark generator provides the high-voltage pulse to the ignition electrode so the burner lights reliably.

Key Features

  • Baxi spare: 5114766 — ZAG 2 spark generator
  • Direct-fit; 220–240 V AC, 50–60 Hz
  • Used across Duo-tec / Platinum / Megaflo System and Main Eco / Potterton Promax & Gold families
  • Supplied new; manufacturer warranty

Typical Compatibility*

Baxi Duo-tec (HE / HE A / ErP 24–40), Platinum HE 24/28/30, Megaflo System HE A 15–32, Bermuda 15 HE, plus equivalent Main Eco / Eco Elite and Potterton Gold/Heatmax/Promax HE ranges. Always confirm by the exact part number in your boiler’s exploded diagram.

Common symptoms

  • No spark or intermittent sparking at ignition
  • Boiler locks out on start-up despite correct gas supply
  • Sparking present but weak/inconsistent

What’s in the box

  • 1 × Spark generator (Baxi 5114766)

Install & Safety

Isolate power and gas. Replace the unit and verify ignition and flame sensing. Must be installed by a qualified, Gas Safe registered engineer.

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