500003 CLS-50 NEW MODEL FOR PLCA-50 500008 500015 CLS-50 500065 500088 CLS-20 MIT STECKER 5522408 CLS-40 321 964 CLS-40 WATER LSS PLC50 12/24 PLC-50 5012022311 REPLACED BY 500088 PLCA 5062022311 PLCA-50- obsolete, replaced by 500088;Sensor PLCA-50 5021021211 OBSOLETE PLCA-505011021121 obsolete/repleacment 500008 PLS-40 421603 OC DC9-36V OBSOLETE- REPLACED BY 321603