The RV propane regulator allows you to connect 2 propane tanks and automatically switches from the main tank to the backup tank when the main tank is empty, and vice versa. The indicator light will change color to let you know when the tank is empty and needs to be refilled. The regulator ensures that your propane gas is always at the correct pressure, providing consistent and efficient performance. Propane Hose: The RV pigtail hose with propane tank gauge is made of durable stainless steel braid, which is weather-resistant, aging-resistant, airtight, heat-resistant and flexible. It can let you know how much liquid is left without shaking the propane tank and can detect leaks. Our automatic switching low-pressure propane regulator with hose is an ideal solution for maintaining a safe and reliable propane gas supply for your RV, camper or other propane-powered equipment. Specifications and Materials: The RV propane regulator with hose is made of high-quality material for durability. This ensures that the regulator is not only durable but also corrosion-resistant, perfect for use in outdoor environments. Main cylinder capacity 210000BTU or hr reserve cylinder 130000BTU or hr, dual-stage design maintains constant gas inlet is 1 or 4inch SAE inverted torch, outlet is 3 or 8inch NPT female thread. Wide Application: This two-stage automatic changeover low-pressure propane gas regulator for RV, comes with two 18-inch pigtail RV propane metering hose sets, suitable for RVs with dual propane tanks. This regulator can be used with any propane-powered equipment, making it a versatile, cost-effective solution for all your propane needs. Whether you're a weekend warrior or a full-time RV enthusiast, our propane regulator is the perfect tool for your propane-powered lifestyle. The product batches are different, the appearance is slightly different, the accessories are random, don't accept the specified, it does not affect the use Colour:Silver Material:C