Worcester Bosch Electrode Kit 87161163810

Genuine Worcester OEM electrode set for Greenstar boilers. This kit restores reliable ignition and flame detection on compatible combi, system and regular models.

• Manufacturer: Worcester Bosch
• Part type: Ignition & flame sensing electrodes (kit)
• MPN: 87161163810 (supersedes 87181070870)
• GTIN / EAN: 4051516590277
• Typical kit contents: Ignition electrode + flame sensor, burner gaskets (see pack)

Compatible boilers (examples)

Used across Greenstar families (variant/year dependent). Common fits include:

• Greenstar i / i (ErP): 25i, 30i
• Greenstar i Junior: 24i, 28i (Mk5)
• Greenstar Si: 25Si, 30Si
• Greenstar Ri (regular): 1224kW

Always confirm against your boilers data plate/parts list using MPN 87161163810 before ordering.

What this part does

The ignition electrode generates the spark to light the burner, while the flame-sensing electrode proves the flame so the boiler operates safely and efficiently.

When to replace

• Boiler fails to ignite or locks out on ignition
• Intermittent flame sensing / flame-loss faults
• Cracked ceramics, damaged tips or wiring

What’s in the box

• Electrode set (ignition + flame sensor)
• Burner gasket(s) (where supplied)

Installation & safety

Must be installed by a qualified Gas Safe engineer. After fitting, check electrode gaps per spec, replace seals as required and run full safety/combustion tests.