Flame King 2-Stage Auto Changeover LP Propane Gas Regulator for RVs, Vans, Trailers, Silver

Allows removal of an 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

Compatible with Flame King's 48-inch Thermo Plastic Hose, item 100383-48, and 12-18 inch Pigtails - E12INPT, E15INPT or E18INPT

Inlets are 1/4" SAE inverted flare and 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