Weil McLain 591-391-790 Flame Sensor Cable Wire

Description

The Weil McLain 591-391-790 is an OEM replacement flame sensor cable wire designed to maintain accurate and dependable flame detection in Weil McLain boiler systems. Proper flame sensing is critical to safe boiler operation — a faulty or degraded sensor cable can cause nuisance lockouts, failed ignition sequences, or unsafe operating conditions. This direct replacement cable restores your system to factory specifications quickly and reliably.

Product Highlights

• OEM Weil McLain replacement part — ensures compatibility and performance
• Designed for use with compatible Weil McLain boiler models
• Maintains reliable electrical connection between the flame sensor and control board
• Helps prevent nuisance lockouts caused by poor or intermittent flame signal
• Supports safe burner operation by delivering a consistent flame sense signal
• Direct drop-in replacement for fast, straightforward installation

Application

This flame sensor cable wire is intended for use in Weil McLain boiler systems where the original cable has become damaged, corroded, or worn. It is recommended to inspect and replace the flame sensor cable as part of routine boiler maintenance to ensure continued safe and efficient operation.

Why Choose OEM Parts?

Using genuine Weil McLain replacement components ensures your boiler system operates within the manufacturer’s design parameters, preserving warranty coverage and system reliability. Always consult your boiler’s service manual and follow all applicable safety codes during installation.