Lennox 43K53 Flame sensor For outdoor applications

For outdoor applications

This specific model is designed as an automatic reset switch

Professionals rely on this genuine York furnace part for its precise 15-amp rating at 125/250V

The shunt provides a continuous electrical path that bypasses the switching mechanism for one side of the line

Lead-Free Design: Fully compliant with modern plumbing standards for safe use in potable and non-potable fluid systems

Lennox 43K53 Flame sensor For outdoor applicationsThe Lennox 43K53 Flame Sensor is a critical OEM safety component engineered for precise flame rectification in gas fired heating systems. This double prong flame sensor, also identified by part number 43K5301, monitors the combustion process to ensure a stable pilot or burner flame is present before allowing the gas valve to remain open. Built with high temperature resistant materials and a 4 inch overall length, this Lennox furnace flame sensor is a