Mr. Heater Auto Changeover Regulator - $59.99

Perfect for use in your RV or any setting where propane-burning appliances are used. This two-stage regulator features two inlets that provide easy changeovers from empty to full propane cylinders. Its integrated first and second stage ensures a smooth, consistent delivery of propane. Two 1/4 inverted inlets with female flare. One 3/8 outlet with female pipe thread. 11 water column output (1/2 PSI). 200,000-BTU capacity. - $59.99