Flame King 2-Stage Auto Changeover Propane Gas Regulator with 2 12 Pigtails

Allows removal of empty cylinder for refill without interrupting propane supply For RVs with dual propane tanks; Automatically switches from primary to reserve tank when primary is empty Inlets are 1/4 SAE inverted flare and outlet is 3/8 NPT female pipe thread. Rated for 30,000 BTU Double stage design maintains constant gas pressure under changing demand and conditions Includes 2 12 pigtail hoses to connect to the propane tank The Auto-Changeover LP Regulator allows you to hook up 2 Propane tanks and the regulator automatically switches over to the second tank once the first one runs out (and vice versa). The indicator changes color to let you know when a tank has been depleted and needs to be refilled. The inlet is a 1/4 SAE inverted flare and the outlet is a 3/8 NPT female. Also included are 2 of the 12 pigtails to connect the regulator to the propane tank or propane supply.