The Vulcan Hart 00-498871-00120 Gas pressure regulator is built to manage natural or liquid propane gas systems. The regulator maintains uniform gas pressure levels to ensure safe and optimal functioning of gas-powered component. This regulator operates with the Range Series 400, HD, MD. This regulator uses a RV48CL design that operates through 3/4" FPT in/out and controls water colum... https://partsfe.com/pressure-regulator-for-vulcan-part-00-498871-00120