Model "POSR-2" Pilot Operated Pressure Reducing Regulator,Tfe Gaskets; 3" Size; Sales Kit; Pilot Valve - Ductile Iron Body & Cast Iron Spring Chamber,;Mounting Position "H"; S2 Hard Trim: Main-416SST Seat,17-4ph Plug,Pilot-416SST,302SST;Diaphragm; 70-150 PSIG Range Spring