Excela-Flo MEC Automatic Changeover Regulator 2-Stage 1/4 in. Inverted Flare x 3/8 in. FNPT

The MEGR-253 Series Automatic Changeover regulators automatically redirect LP gas vapor ow from an empty service cylinder to a reserve cylinder, without interruption of service. It features an easy to read green indicator which changes to red when the service cylinder needs to be refilled. The MEGR-253 regulator meets UL, RVIA and NFPA requirements.|Maximum inlet pressure: 250 psi|Inlet connection: 1/4 in. female inverted flare 2|Outlet connection: 3/8 in. FNPT 1|Primary cylinder BTU/hour: 225,000|Reserve cylinder BTU/hour: 150,000