Marshall Excelsior RV Gas Regulator

How does a Marshall Excelsior megr 253 change over regulator work?

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.

What kind of propane regulator is Marshall Excelsior?

120" Thermoplastic Quick Disconnect Hose (1/4" Male Thread to Male Quick Connect) by Marshall®. High pressure hose that will allow you to hook up to a Quick-Connect valve on an appliance to an LP gas cylinder. For use with low pressure… 401 Series Thermoplastic Propane Hose (7/8" Nut Male POL to 1/4" Male Inverted Flare) by Marshall®.

What kind of LPG converter is Marshall Excelsior?

Barbeque Grill LP Gas Supply Converter by Marshall®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from…

How does Auto changeover work on Marshall Excelsior?

For those who are wondering…. this regulator is an auto changeover. You have to turn the switch towards the bottle you want to use immediately (primary bottle) and when it empties, the regulator will automatically changeover to the other bottle so you’re not stranded.


This is a two-stage RV propane regulator that will switch your supply to a reserve tank without disruption in your supply. This model has a maximum inlet pressure of 250 PSI and the inlet connector is a ¼ inch inverted flare. The outlet connection is a Female National Pipe Thread of 3/8 inch.

There is a green/red indicator that shows you clearly when the gas supply is running low and you need to start looking for a replacement. This regulator complies with the RVIA, UL and NFPA standards and has a raw zinc and powder coated exterior finish.

Marshall Excelsior – United RV

LP Gas 15″ Pigtail RV LPG Hose – Acme to MPT- Hi Capacity MER426H-15. SKU: MER426H-15. $19.99 $14.99. Sold Out LP Gas Auto Changeover Regulator – High …


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