This pan is engineered to manage condensate collection in 2-row upflow applications

000 BTU/hr to support large commercial boilers and water heating systems

While it may fit standard ignitor dimensions

which is vital for maintaining system efficiency and compressor health

Reznor 43594 Flame Sensor 318973-401 This pan is engineered toThe Reznor 43594 Flame Sensor is a critical safety component designed for precise flame rectification in high performance heating equipment. As an authentic OEM Reznor part, it ensures the ignition module receives a consistent microamp signal (typically between 3 to 10 A), preventing the short cycling or lockout issues common with worn or carbon fouled sensors. Engineered to withstand the intense thermal stress of gas fired unit heaters, this sensor