Flame King ACR6a 2-Stage Auto Changeover LP Propane Gas Regulator for RVs, Vans, and Trailers

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 – Pairs well with our 48 Inch Thermo Plastic Hose, item 100383-48. Double stage design maintains constant gas pressure under changing demand and conditions – Inlets are 1/4″ SAE inverted flare and outlet is 3/8″ NPT female pipe thread – Rated for 190, 000 BTU