Marshall Excelsior MEGR-253P Reg 2-Stage Auto Vert Packaged

The Model MEGR-253 Automatic Changeover Regulator automatically redirects LP gas vapor flow 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 and MEGR-253H Series regulators meet UL, RVIA and NFPA requirements.