Weil McLain 423-300-420 Main Flame Sensor Mounting Bracket

Description

The Weil McLain 423-300-420 Main Flame Sensor Mounting Bracket is a genuine OEM replacement component engineered to securely position the main flame sensor within compatible Weil McLain boiler systems. Proper flame sensor mounting is critical to safe, reliable burner operation — a misaligned or loosely secured sensor can lead to nuisance lockouts, failed ignition sequences, or unsafe operating conditions.

Key Features

• Genuine Weil McLain OEM replacement part (SKU: 423-300-420)
• Designed to securely mount the main flame sensor in the correct position
• Ensures accurate flame signal detection for safe burner operation
• Precision-engineered for a direct, drop-in fit on compatible Weil McLain boiler models
• Helps prevent nuisance lockouts caused by sensor misalignment
• Durable construction built to withstand the thermal demands of boiler environments

Application

This mounting bracket is intended for use with compatible Weil McLain boiler systems requiring main flame sensor support. Always verify compatibility with your specific boiler model and serial number before installation. Consult the Weil McLain service documentation or contact a qualified HVAC technician for proper installation guidance.

Why Choose OEM Parts?

Using genuine Weil McLain replacement parts ensures your boiler system maintains its original performance specifications, warranty compliance, and long-term reliability. Aftermarket substitutes may not meet the precise dimensional or material standards required for safe flame sensor positioning.