• Allows removal of an empty cylinder for refill without interrupting the propane supply
• For RVs with dual propane tanks; automatically switches from primary to reserve tank when the primary is empty
• UL LISTED: Inlets are 1/4″ SAE inverted flare and the outlet is 3/8″ NPT female pipe thread; rated for 345,200 BTU
• Double-stage design maintains constant gas pressure under changing demand and conditions
• Compatible with Flame King’s 48-inch Thermo Plastic Hose, item 100383-48, and 12-18 inch Pigtails – E12INPT, E15INPT or E18INPT