ensuring that the heat exchanger reaches the optimal operating temperature quickly to prevent "sweat" or soot accumulation

Corrosion Resistance: Manufactured to resist biological growth and chemical buildup that can cause pan failure and blockages

Customizable Range: Includes adjustable tabs to restrict temperature travel to as little as ±2

With its 1/4 ton capacity and 90-degree angle flow configuration

Lennox 84K65 Ignitor/Sensor 321042-401 ensuring that the heat exchangerThe Lennox 84K65 Ignitor Sensor is a critical OEM replacement component designed for precise ignition and flame rectification in high efficiency furnace systems. This dual purpose spark ignitor and flame sensor is engineered to withstand the rigorous thermal cycling of commercial and residential HVAC units. The 84K65 is identical to R42446 001, ensuring a direct fit solution for technicians servicing legacy and current Lennox platform equipment. When