Description
The Weil McLain 511-330-250 is an OEM replacement ignition electrode designed for use with compatible Weil McLain boiler systems. Ignition electrodes are a critical component in the combustion process, generating the high-voltage spark that ignites the burner flame at startup. Replacing a worn or failed electrode restores reliable ignition performance and helps prevent nuisance lockouts, failed startups, and unsafe operating conditions.
Product Overview
This electrode is engineered to Weil McLain’s exact specifications, ensuring a precise fit and dependable operation in the field. As a genuine OEM-grade replacement part, it is the recommended solution for service technicians and contractors performing maintenance or repair on Weil McLain heating equipment.
Key Features
- OEM replacement ignition electrode for compatible Weil McLain boiler systems
- Engineered for precise fit and reliable spark ignition performance
- Helps restore proper burner ignition and prevent system lockouts
- Manufactured to Weil McLain quality standards
- Ideal for routine maintenance, service calls, and emergency repairs
Applications
- Compatible with select Weil McLain boiler models — refer to your equipment’s parts list or service manual to confirm fitment
- Suitable for residential and light commercial hydronic heating systems
Why Choose OEM Parts?
Using genuine OEM replacement electrodes ensures the component meets the original design tolerances for electrode gap, ceramic insulation, and tip geometry. This translates to consistent ignition, longer service life, and reduced callback risk compared to generic alternatives.







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