also identified as the RA-1-AP radiator valve

Universal compatibility with non-corrosive refrigerants used in commercial HVACR systems

Dual Rotation: Field-reversible CW/CCW rotation allows for compatibility across multiple unit configurations

This design choice is critical for maintaining precise TXV superheat adjustment and preventing "hunting" or liquid slugging in the compressor

Auburn E5-I-2-2 Ignitor 323055-751 also identified as the RA-1-APThe Auburn E5 I 2 2 Ignitor is a high performance industrial spark plug and ignition electrode specifically engineered for gas fired burners, boilers, and combustion systems. Featuring a 24 inch probe, this I 2 series ignitor is cross compatible with the Auburn I 2 2 model, ensuring a precise and consistent spark in the most demanding environments. It utilizes a 1 2 14 NPT thread and 7 8 inch hex for secure, space saving installation in HVAC equipment