Description
The Weil McLain 591-391-902 is an OEM replacement circulator harness with integrated temperature sensor jumper, engineered for precise compatibility with Weil McLain boiler systems. This wiring harness ensures secure electrical connections between the circulator pump and the boiler control board, maintaining reliable hydronic system operation and accurate temperature sensing.
Key Features
- OEM Weil McLain replacement part — ensures exact fit and function
- Integrated temperature sensor jumper for accurate boiler temperature monitoring
- Designed for use with compatible Weil McLain hydronic boiler systems
- Maintains proper circulator pump electrical connections for dependable system performance
- Supports consistent heat distribution throughout the hydronic heating loop
- Durable wiring construction built to withstand the demands of boiler room environments
Application
This circulator harness is a direct OEM replacement part intended for use in Weil McLain boiler installations. It connects the circulator pump to the boiler’s control circuitry while providing a temperature sensor jumper to ensure proper system sequencing and control. Ideal for service technicians performing warranty or maintenance repairs on Weil McLain hydronic heating equipment.
Why Choose OEM Parts?
Using genuine Weil McLain replacement components helps preserve equipment warranties, ensures proper system operation, and reduces the risk of compatibility issues. The 591-391-902 is built to the same specifications as the original factory-installed harness, giving you confidence in every installation.
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