This is an O.E.M. authorized part. OEM Part Number 50332 Fits various Presto models It consists of the pressure regulator body and two 5-pound weight rings. Completely assembled, it will maintain 15-pounds of pressure. Item is manufactured in China Presto 50332 Canner Pressure Regulator Fits Presto Pressure Canner models: 01/C22, 01/C17, 01/C13, 171003, 174001, 171001, 171002, 0174510, 177001, 02/CAA12H, 02/CAA16H, 02/CAA20H Presto 50332 Canner Pressure Regulator Fits Presto Pressure Canner models: 01/C22, 01/C17, 01/C13, 171003, 174001, 171001, 171002, 0174510, 177001, 02/CAA12H, 02/CAA16H, 02/CAA20H