For RV's with dual propane tank hookup. Regulator maintains constant gas pressure and automatically changes from empty tank to full one. Allows removal of empty cylinder for refill without interrupting propane supply. Inlet: 1/4" SAE inverted flare. Outlet: 3/8". NPT female.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov