Marshall Excelsior Co. MEGR-253H Excela-Flow Two-Stage Automatic Changeover LP Gas Regulator

The Marshall Excelsior Co. MEGR-253H Excela-Flow is a two-stage automatic changeover regulator designed for seamless LP gas vapor flow management in RV, marine, and residential propane systems. This regulator automatically redirects gas flow from an empty service cylinder to a reserve cylinder without any interruption of service, ensuring continuous operation of your appliances.

Key Features:

• Automatic changeover functionality switches between cylinders without service interruption
• Easy-to-read visual indicator changes from green to red when service cylinder is empty
• Two-stage regulation for consistent pressure delivery and improved appliance performance
• Maximum inlet pressure rating of 250 PSI
• Durable die-cast zinc body with raw zinc/powder coat exterior finish
• Fabric-reinforced molded diaphragm with O-ring bonnet/body seal
• Internal relief valve with spring-loaded design for safety
• UL Listed to UL 144 standards for quality and safety assurance

Specifications:

• Inlet Connection: 1/4" Female Inverted Flare
• Outlet Connection: 3/8" FNPT (Female National Pipe Thread)
• Mounting Holes: 3-1/2" on center for secure installation
• Construction: Die-cast zinc bonnet and body

This automatic changeover regulator is ideal for applications requiring uninterrupted LP gas supply, including RVs, motorhomes, travel trailers, and residential propane systems with dual cylinder setups. The color-coded indicator makes it easy to identify when it's time to replace or refill your empty cylinder.