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

Manufacturer

AP

<h3>About AP Products</h3><p><strong>AP Products</strong> has been a trusted name in the recreational vehicle industry for over three decades. <a href="/2843-ap">AP Products</a> was established in the early 1990s with the modest goal of supplying packaged hardware to the RV market — and has since grown into one of the most comprehensive sources for RV replacement parts and accessories available. Today, the brand serves everyone from weekend campers to full-time RV enthusiasts, as well as the manufacturers who build their rigs.</p><p>What sets AP Products apart is its deep focus on the RV segment. Unlike general automotive parts suppliers, AP Products designs and sources components specifically engineered to meet the unique demands of motorhomes, travel trailers, and fifth wheels. Whether a component needs to withstand road vibration, outdoor weathering, or the repeated use of a full-time lifestyle on wheels, AP Products builds its catalog with those realities in mind.</p><h3>A Broad Catalog Built for RV Owners</h3><p>The AP Products lineup spans a remarkable range of categories. RV doors are among the brand's flagship offerings — replacement entry doors and door components engineered to fit a wide variety of RV makes and models. Complementing these are <a href="/200430-foam-weatherseal-tape-ap-2843">foam and weatherseal tapes</a>, which play a critical role in keeping an RV's interior protected from moisture, drafts, and road debris. Proper sealing is one of the most overlooked aspects of RV maintenance, and AP Products offers purpose-built solutions to address it.</p><p>Security is another area where AP Products delivers. Their lock boxes provide RV owners with a reliable way to secure valuables or provide keyless entry access — an increasingly important feature for travelers. Rounding out the hardware side of their catalog, AP Products also offers a variety of <a href="/2843-ap-door-latches-200339">door latches</a> suited for RV interior and exterior applications, ensuring that cabinets, compartments, and entry points stay securely closed while in transit.</p><h3>Why RV Owners and Manufacturers Trust AP Products</h3><p>Beyond individual parts, AP Products carries adhesives and sealants, lighting, electrical components, extrusions, running gear and brake accessories, and a wide selection of slide-out parts and seals. This breadth makes AP Products a one-stop resource for RV service shops and DIY owners alike. The brand's parts are designed for straightforward installation, reducing downtime and getting rigs back on the road faster.</p><p>Whether you're replacing a worn entry door seal before a cross-country trip or sourcing a latch for a storage compartment, AP Products offers dependable, application-specific solutions built with the RV lifestyle in mind.</p>

Part Number

MEGR253
09/12/2036 5:08 PM
Sale Price

$85.99

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Fitment guaranteed

Fitment guaranteed

Product Details

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.

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