Model "POSR-2" Pilot Operated Pressure Reducing Regulator,Tfe Gaskets; 2" Size; Pilot Sales Kit,;Pilot Valve - Ducitle Iron Body & Wcb Spring Chamber,;Mounting Position "H"; S2 Hard Trim: Main-416SST Seat,17-4ph Plug,Pilot-416SST,302SST;Diaphragm; 70-150 PSIG Range Spring