The RV propane regulator allows you to connect two propane tanks and automatically switches from the main tank to the backup tank when the main tank is empty. An indicator shows when the tank is low, so you know when it needs refilling. The regulator maintains proper gas pressure for consistent and efficient performance.Propane Hose: The RV pigtail hose with propane tank gauge is constructed with stainless steel braid, offering resistance to weather, aging, heat, and leaks. It is airtight and flexible, allowing you to monitor fuel levels without shaking the tank. This automatic switching low-pressure propane regulator with hose provides a safe and reliable gas supply for your RV or other propane-powered equipment.Specifications and Materials: The RV propane regulator with hose is made from high-quality materials for long-lasting durability. Designed for outdoor use, it features a dual-stage system that maintains constant gas pressure. Inlet connection is 1/4 inch SAE flare, outlet is 3/8 inch NPT female thread. Main cylinder capacity: 210,000 BTU/hr; reserve cylinder capacity: 130,000 BTU/hr.Wide Application: This two-stage automatic changeover low-pressure propane regulator is designed for RVs with dual propane tanks and includes two 18-inch pigtail RV propane hoses with gauges. It is compatible with various propane-powered appliances, offering a versatile and cost-effective solution. Ideal for occasional travelers or full-time RV users seeking reliable propane performance.Note: Product appearance may vary slightly due to different manufacturing batches. Accessories may vary but do not affect functionality.Color: Silver Material: Copper alloy, aluminum, stainless steel Package Contents: 1 x Regulator 2 x Hose 1 x Installation Kit 1 x Installation Tool Note: Light reflection and display settings may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.