RV propane regulator plays a significant role within the system. It allows you to hook up 2 Propane tanks and the regulator automatically switches over to the 2nd tank once the first 1 runs out, removal of the empty propane cylinder without interrupting the propane supply. Details: Type of gas: Propane Inlet connector: 1/4 SAE inverted flare Outlet connector: 3/8 NPT female pipe thread Outlet Pressure: 11 Inch water column Operating temperature: -20°C - 50°C Rated for 190, 000 BTU The RV propane regulator ensure your propane system runs efficiently. Double stage design maintains constant gas pressure under changing demand and conditions. Automatically switches to the reserve cylinder when the main supply tank empties. Ergonomic switchover lever makes changing tanks easy. This model is versatility as well as it’ll work with most RVs, trailers, trucks with dual propane tanks. The auto changeover propane regulator automatically switches between a full propane tank and an empty one. Allows removal of empty cylinder for refill without interrupting propane supply. Ease of Installation, it’s something you can usually do by yourself without any outside help from a professional. Made with high-quality materials, withstand cold weather, scratches and corrosion. Widely use, suitable for RV, water heaters, propane fireplaces, gas fire pits, gas grills, and gas ranges or stoves. ASIN B0BHYM8LRQ Brand Stanbroil Item Weight 1.98 pounds Manufacturer Stanbroil Package Dimensions 7.01 x 6.26 x 5.75 inches Manufacturer Part Number C027-SR