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. The indicator light changes color to alert you when the tank is low and needs refilling. The regulator ensures that your propane gas remains at the correct pressure, providing 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 while maintaining flexibility and airtight performance. It allows you to monitor fuel levels without shaking the tank and helps detect potential leaks. 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. Main cylinder capacity: 210,000 BTU/h; reserve cylinder capacity: 130,000 BTU/h. Gas inlet: 1/4 inch SAE inverted flare; outlet: 3/8 inch NPT female thread.Wide Application: This two-stage automatic changeover low-pressure propane regulator is designed for RVs and includes two 18-inch pigtail RV propane metering hose sets, making it ideal for use with dual propane tank setups. Compatible with various propane-powered appliances, it offers a versatile and cost-effective solution for all your propane needs. Whether used for weekend trips or full-time RV living, this regulator supports reliable performance for your mobile lifestyle.Note: Product appearance may vary slightly due to different production batches. Accessories may vary and are supplied randomly. These variations 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: +/- 1-3 cm.