AP PRODUCTS AUTO-CHANGEOVER REGULATOR KIT 2-24 1/4 Inch Female Inverter Flare X 3/8 Inch FPT; Two Stage; 225000 BTU I Stage/ 150000 BTU II Stage; With Two 24 Inch Propane Hoses; Unfinished Zinc Exterior; Zinc Die Casted; Internal Relief Spring Loaded Diaphragm Type; Approved For RV Use; Bulk; Vertical Mount