{"product_id":"flame-king-kt18acr-2-2-stage-auto-changeover-regulator-dual-tank","title":"Flame King KT18ACR-2 2-Stage Auto Changeover Regulator - Dual Tank","description":"\u003cp\u003eIn this review the Flame King KT18ACR-2 is examined as a practical solution for RV owners who need uninterrupted propane when running appliances. The bottom line: it is built for dual-tank RV systems that require automatic switching and easy tank removal, and it delivers steady pressure while letting users swap an empty cylinder without shutting down the supply. Installation is straightforward for anyone comfortable with basic propane fittings, and the two included 18in pigtails mean the unit is ready to hook up right away.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic changeover:\u003c\/strong\u003e Automatically switches from primary to reserve tank when the main tank runs out, so appliances keep running without manual intervention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo 18in pigtails included:\u003c\/strong\u003e Comes with both pigtails needed to connect the regulator to dual tanks, making installation simpler for RV setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-stage design:\u003c\/strong\u003e Maintains a constant gas pressure under changing demand and operating conditions for more stable appliance performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory set pressure:\u003c\/strong\u003e The regulator is factory set at 11WC, providing a predictable operating pressure for typical RV propane systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh capacity:\u003c\/strong\u003e Rated for 345,200 BTU, so it supports multiple appliances running together in most recreational vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard fittings:\u003c\/strong\u003e Inlets are 1\/4in SAE inverted flare and the outlet is 3\/8in NPT female pipe thread, compatible with common RV plumbing and hoses.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe KT18ACR-2 is aimed at RV, van, and trailer owners who use dual propane cylinders and need a reliable automatic changeover so they can refill an empty tank without interrupting the gas supply. It is especially useful for users who want a factory-set regulator that pairs with standard hoses and fittings.\u003c\/p\u003e\u003cp\u003eIt may be less suitable for those who need a manual-only selector or who require nonstandard inlet\/outlet threads; also, any user concerned about long-term plastic component durability should evaluate installation points and check for reports in real installations.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes both 18in pigtails for immediate hookup and a perfect fit with common RV systems.\u003c\/li\u003e\n\u003cli\u003eAutomatic switching provides continuous supply so appliances are not interrupted when a tank is empty.\u003c\/li\u003e\n\u003cli\u003eDouble-stage regulator and 11WC factory setting deliver steady pressure under varying loads.\u003c\/li\u003e\n\u003cli\u003eUL listed construction and a high BTU rating support safe, heavy-duty RV use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome users report occasional issues with the automatic switching function, so monitoring after installation is advised.\u003c\/li\u003e\n\u003cli\u003eA few reviews raised concerns about plastic component durability, so long-term resilience may vary by usage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFlame King\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eKT18ACR-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet fittings\u003c\/td\u003e\n\u003ctd\u003e1\/4in SAE inverted flare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlet fitting\u003c\/td\u003e\n\u003ctd\u003e3\/8in NPT female pipe thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded pigtails\u003c\/td\u003e\n\u003ctd\u003eTwo 18in pigtails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory set pressure\u003c\/td\u003e\n\u003ctd\u003e11WC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated capacity\u003c\/td\u003e\n\u003ctd\u003e345,200 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Flame King KT18ACR-2 is a practical, value-oriented regulator for RV owners who want an automatic dual-tank changeover and stable gas pressure. It includes the necessary pigtails and standard fittings for quick installation and handles heavy appliance loads, making it a sensible upgrade for most dual-tank systems, provided customers monitor switching behavior after installation.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan I replace one tank while the regulator is installed?\u003c\/strong\u003e\u003cbr\u003eYes. The unit is designed to allow removal and refill of an empty cylinder without interrupting the propane supply by switching to the reserve tank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat hose or accessory pairs well with this regulator?\u003c\/strong\u003e\u003cbr\u003eIt pairs well with a 48in thermoplastic hose and uses common 1\/4in SAE inverted flare inlets and a 3\/8in NPT outlet.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the regulator safe for heavy appliance use?\u003c\/strong\u003e\u003cbr\u003eThe regulator is UL listed and rated for 345,200 BTU, which supports multiple RV appliances operating together.\u003c\/p\u003e","brand":"Flame King","offers":[{"title":"Default Title","offer_id":48636011380955,"sku":"B0C4SCTG55","price":49.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61iVzAgkrML._AC_SL1500.jpg?v=1778571515","url":"https:\/\/gearmusthave.com\/products\/flame-king-kt18acr-2-2-stage-auto-changeover-regulator-dual-tank","provider":"GearMustHave","version":"1.0","type":"link"}