Built with a rugged brass body and synthetic seating

It is designed to slide over the existing armature tube of your Danfoss valve assembly

System Redundancy: Integrated manual opener allows for emergency operation and system venting

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

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

Lennox 84K65 Ignitor/Sensor 321042-401 Built with a rugged brassThe 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