MODEL "HP" SALES A KIT FOR PRODUCT CODE: 3D5-BS17-18MU0000A; PRESSURE REDUCING REGULATOR,TFE GASKETS (OPT-45); 3/4" SIZE; MANGANEZE BRONZE BODY & SPRING CHAMBER; S1 TRIM: 316SST METAL SEAT,302SST DIAPHRAGM; NPT SCREWED; 340-500 PSIG RANGE SPRING; SPECIAL CLEAN PER CASHCO SPEC #S-1134 (OPT-55)