This open on rise limit switch features a fixed 180°F open temperature and a 160°F fixed close temperature

and commercial gas management systems

Always calculate the total VA load of all connected contactors and relays to ensure you stay within this limit

this kit ensures the mechanical linkage remains responsive to current velocity requirements

Lennox 52M72 Flame Sensor This open on rise limitThe Lennox 52M72 Flame Sensor is a critical safety component designed for precise flame rectification in high efficiency gas furnaces. Engineered for direct spark ignition (DSI) and hot surface ignition (HSI) systems, this OEM replacement probe detects the presence of a burner flame by translating it into a microamp signal for the integrated furnace control. Built with high grade alumina ceramic insulation and a durable stainless steel electrode, it