Marshall Excelsior Co. MEGR253LP Two-Stage Automatic Changeover LP Regulator

The Marshall Excelsior MEGR253LP is a two-stage automatic changeover regulator designed for reliable LP gas distribution in RV and mobile applications. This UL-listed regulator automatically redirects propane vapor flow from an empty service cylinder to a reserve cylinder without interrupting service, ensuring uninterrupted operation of your appliances.

Key Features:

• Automatic changeover operation switches between cylinders seamlessly
• Easy-to-read visual indicator changes from green to red when service cylinder needs refilling
• Two-stage regulation for consistent outlet pressure and improved appliance performance
• Maximum inlet pressure rating of 250 PSI
• Durable die-cast zinc construction with raw zinc and powder coat finish
• Fabric-reinforced molded diaphragm with O-ring bonnet/body seal
• Internal relief valve with spring-loaded safety mechanism
• Mounting holes positioned 3-1/2 inches on center for easy installation
• Pressure taps with 1/8" FNPT plugged ports for gauge installation

Technical Specifications:

• Inlet Connection: 1/4" Female Inverted Flare
• Outlet Connection: 3/8" Female NPT
• Meets UL 144, RVIA, and NFPA requirements
• UL Listed for safety compliance

This regulator is engineered for applications requiring dependable, automatic cylinder switching with visual status indication, making it ideal for RVs, mobile homes, and other portable LP gas systems.