MODEL "1164" SALES B KIT FOR PRODUCT CODE: AD6-3S57-130000M0B; BACK PRESSURE RELIEF REGULATOR,TFE GASKETS (OPT-45); 1" SIZE; BRONZE BODY & SPRING CHAMBER; S5 TRIM: 316SST TRIM WITH TFE SEAT,PHOS.BRONZE DIAPHRAGM; SPECIAL CLEAN PER CASHCO SPEC #S-1134 (OPT-55);