MEC MEGR253PPT15 Marshall Excelsior MEGR253PPT15 Excela-Flo Automatic Standard Capacity Changeover Regulator w/15' Hose

The 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. Meets UL, RVIA and NFPA requirements.