MEC MEGR253P Excela-Flo Automatic Changeover Regulators, Standard Capacity, Packaged $13.46=+$2.50 Mercury-Mercruiser 846505675 SPACER-

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Easily install on carpeted or bare-bunk trailers

MEC MEGR253P Excela-Flo Automatic Changeover Regulators, Standard Capacity, Packaged $13.46=+$2.50 Mercury-Mercruiser 846505675 SPACER-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.