Weil McLain 591-391-862 Wiring Harness

WIRING HARNESS

Weil McLain 591-391-862 Wiring Harness – OEM Replacement for CG & CGa Boilers

The Weil McLain 591-391-862 Wiring Harness is a genuine OEM replacement part designed to ensure reliable electrical connections within Weil-McLain boiler systems. Specifically engineered for CG and CGa boiler models, this wiring harness supports proper communication between components, helping maintain safe and efficient boiler operation.

Manufactured to Weil-McLain’s exact specifications, this wiring harness delivers dependable performance, long-term durability, and a precise fit—making it ideal for repairs, replacements, or routine maintenance.

Product Features

• Genuine Weil McLain OEM wiring harness

• Ensures secure and reliable electrical connections

• Designed for easy installation and direct replacement

• Built for durability and consistent performance

• Helps maintain safe and efficient boiler operation

Specifications

• Part Number: 591-391-862

• Product Type: Wiring Harness

• Used With:

  • Weil McLain CG Boilers

  • Weil McLain CGa Boilers

Compatibility

• Compatible with select Weil McLain CG and CGa boiler models

• Always verify model compatibility before ordering

Safety Information

• ⚠ California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Replace with confidence using the Weil McLain 591-391-862 Wiring Harness—engineered for OEM quality, reliable performance, and seamless compatibility with CG and CGa boilers.