AP MEGR253 Two-Stage Automatic Changeover LP Gas Regulator for RV

The AP MEGR253 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. This two-stage regulator is designed for RVs with dual propane tank hookups, combining both high-pressure first stage and low-pressure second stage regulation into a single unit.

Key Features:

• Two-stage Excela-Flo design for consistent pressure regulation
• Automatic changeover prevents gas outages when primary cylinder empties
• Color-coded indicator: green for active cylinder, red when refill needed
• 225,000 BTU per hour capacity (Stage 1), 150,000 BTU per hour (Stage 2)
• 1/4-inch female inverted flare inlet connection, 3/8-inch FNPT outlet connection
• Vertical mount configuration
• Zinc die-cast construction with powder-coated finish for durability
• Internal relief spring-loaded diaphragm type
• Meets UL, RVIA and NFPA requirements

Specifications:

• Outlet Pressure: 11 inches water column (~0.5 PSI)
• Maximum Inlet Pressure: 250 PSI
• Mounting Holes: 3-1/2 inches on center
• Pressure Taps: 1/8-inch FNPT plugged
• Dimensions: 6.50 x 1.80 x 2.53 inches
• Weight: 1.80 pounds

The Marshall Excelsior MEGR253 is ideal for RV, motorhome, travel trailer, and camper applications requiring reliable dual-tank LP gas regulation. The automatic changeover feature ensures uninterrupted gas supply to your appliances while the visual indicator makes it easy to monitor tank status.