{"product_id":"marshall-excelsior-megr-253hp-rv-propane-regulator-2-stage-vertical-mount","title":"Marshall Excelsior MEGR-253HP RV Propane Regulator, 2-Stage, Vertical Mount","description":"\u003cp\u003eThe new MEGR-253HP Excela-Flo Propane Regulator by Marshall Excelsior Company is a high-capacity two-stage automatic changeover regulator engineered for RV and mobile LP gas systems requiring superior flow performance.\u003c\/p\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDesigned for dual-cylinder RV setups, this regulator automatically switches propane supply from the empty service cylinder to the full reserve cylinder—ensuring uninterrupted gas flow to appliances. A clear green-to-red indicator provides an easy visual cue when the primary cylinder requires refilling.\u003c\/li\u003e\n\u003cli\u003eWith a first-stage capacity of 350,000 BTU and second-stage capacity of 200,000 BTU, this regulator delivers stable, consistent 11\" WC outlet pressure under fluctuating demand conditions.\u003c\/li\u003e\n\u003cli\u003eBuilt from die-cast zinc with a zinc powder-coated finish, and featuring an internal spring-loaded relief diaphragm, this vertical-mount regulator is constructed for durability, corrosion resistance, and long-term reliability in outdoor RV environments.\u003c\/li\u003e\n\u003cli\u003eAlso referenced under updated part number MERG-253HP.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Marshall Excelsior\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN):\u003c\/strong\u003e MEGR-253HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternate Number:\u003c\/strong\u003e MERG-253HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Excela-Flo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Type:\u003c\/strong\u003e Low Pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRV Approved:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Vertical mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Stages:\u003c\/strong\u003e Two-stage automatic changeover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirst Stage Capacity:\u003c\/strong\u003e 350,000 BTU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecond Stage Capacity:\u003c\/strong\u003e 200,000 BTU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Pressure:\u003c\/strong\u003e 11\" Water Column (WC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Connection:\u003c\/strong\u003e 1\/4\" Female Inverted Flare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Connection:\u003c\/strong\u003e 3\/8\" Female NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Die-cast zinc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Zinc powder-coated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Type:\u003c\/strong\u003e Internal spring-loaded diaphragm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith Shut-Off Valve:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith Hose:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Plastic clamshell retail packaging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e UL, RVIA, NFPA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Limited 5-Year Manufacturer Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAutomatic changeover maintains uninterrupted propane supply\u003c\/li\u003e\n\u003cli\u003eHigh-capacity performance for larger RV systems\u003c\/li\u003e\n\u003cli\u003eTwo-stage regulation ensures stable and consistent gas pressure\u003c\/li\u003e\n\u003cli\u003eEasy-to-read green\/red indicator for cylinder status\u003c\/li\u003e\n\u003cli\u003eInternal relief mechanism for added safety\u003c\/li\u003e\n\u003cli\u003eDurable zinc die-cast body with corrosion-resistant finish\u003c\/li\u003e\n\u003cli\u003eMeets UL, RVIA, and NFPA standards\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003ch2\u003eIdeal For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTravel trailers\u003c\/li\u003e\n\u003cli\u003eFifth wheels\u003c\/li\u003e\n\u003cli\u003eMotorhomes\u003c\/li\u003e\n\u003cli\u003eToy haulers\u003c\/li\u003e\n\u003cli\u003eRVs with multiple propane appliances\u003c\/li\u003e\n\u003cli\u003eHigh-demand LP systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDesigned for vertical mounting only\u003c\/li\u003e\n\u003cli\u003eEnsure vent orientation faces downward\u003c\/li\u003e\n\u003cli\u003eVerify fitting compatibility before installation\u003c\/li\u003e\n\u003cli\u003ePerform a leak test after installation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Marshall Excelsior","offers":[{"title":"Default Title","offer_id":48298291527886,"sku":"06-0442","price":116.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3785\/6462\/files\/ImageServerAPI_5_8f6b2e52-bd1b-4746-940f-3fb737150a03.jpg?v=1787076080","url":"https:\/\/newrvparts.com\/products\/marshall-excelsior-megr-253hp-rv-propane-regulator-2-stage-vertical-mount","provider":"New RV Parts","version":"1.0","type":"link"}