Numbers and Titles



Includesrefrigerant piping, valves, piping specialties, refrigerant, and other components within a structure.
See28 44 00 for refrigerant detection and alarm
23 23 13Refrigerant Piping Valves
23 23 16Refrigerant Piping Specialties
23 23 19Refrigerant Safety Relief Valve Discharge Piping
23 23 23Refrigerants