MODEL 1049 SALES KIT FOR PRODUCT CODE: PVD1VDVHA; PILOT OPERATED VENT VALVE CARBON STEEL BODY WITH FLAME SCREEN; 2" INLET X 3" OUTLET ASME CLASS 150# RF FLANGES; FKM SOFT SEATS; INTERNAL SENSING, SST PILOT FILTER ELEMENT, PILOT EXHAUST TUBED TO MAIN VALVE OUTLET, WITH BACKFLOW PREVENTER; VITON (FKM) ACTUATOR DIAPHRAGM;