Description
The Weil McLain 591-392-012 is an OEM ignition and sensor cable assembly designed specifically for Weil McLain EVG series boilers. This cable assembly provides the critical electrical connection between the ignition control module and the igniter/flame sensor, ensuring dependable boiler startup and continuous flame monitoring during every heating cycle.
Key Features
- OEM Weil McLain replacement part — engineered to exact factory specifications
- Designed for use with Weil McLain EVG series boilers
- Serves dual function: routes both ignition spark signal and flame sensor signal
- Maintains reliable ignition sequencing and flame-proving performance
- Direct plug-in replacement for simplified installation
- Durable cable construction rated for the high-temperature boiler environment
Application
This ignition/sensor cable assembly is the correct OEM replacement when the existing cable shows signs of wear, heat damage, cracking, or intermittent ignition and lockout faults on Weil McLain EVG series boilers. Replacing a degraded cable restores proper communication between the ignition module and burner components, reducing nuisance lockouts and improving system reliability.
Why Choose OEM Parts?
Using genuine Weil McLain replacement parts ensures compatibility, maintains warranty compliance, and delivers the performance your boiler was designed to achieve. The 591-392-012 cable assembly is built to Weil McLain’s quality standards for long service life in demanding hydronic heating applications.







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