Description
The Weil McLain 591-392-000 is an OEM replacement wiring harness designed to establish the low voltage control connection between the LV control and the control module on compatible Weil McLain boiler systems. Engineered to Weil McLain’s exacting standards, this harness ensures reliable signal transmission and system communication, helping maintain safe and efficient boiler operation.
Key Features
- OEM Weil McLain replacement wiring harness
- Connects low voltage (LV) control to the boiler control module
- Designed for precise fit and compatibility with applicable Weil McLain boiler models
- Supports reliable low voltage signal and control communication
- Helps restore proper boiler control module functionality
- Manufactured to Weil McLain quality and safety standards
Application
- Replacement wiring harness for compatible Weil McLain boiler systems
- Intended for use by qualified HVAC/hydronic heating technicians
- Consult your Weil McLain boiler documentation or service manual to confirm model compatibility before installation
Important Notes
Always verify compatibility with your specific Weil McLain boiler model prior to ordering. Installation should be performed by a licensed HVAC or boiler technician in accordance with local codes and the manufacturer’s service instructions.







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