LP Double Stage Regulator

LP GAS DOUBLE STAGE AUTO CHANGEOVER REGULATOR. For RVs with dual propane tank hookup. Regulator maintains constant gas pressure and automatically changes from empty tank to full one. Allows removal of empty cylinder for refill without interrupting propane supply. Inlet: 1/4" SAE inverted flare. Outlet: 3/8". NPT Female. 11 w.c. propane pressure. 160,000 BTU/HR.