{"product_id":"flame-king-300-000-btu-horizontal-2-stage-propane-regulator-pol-inlet-11-inch-wc-output","title":"Flame King 300,000 BTU Horizontal 2-Stage Propane Regulator, POL Inlet, 11-inch WC Output","description":"\u003cp\u003e\u003cstrong\u003eThe Flame King 300,000 BTU horizontal 2-stage propane regulator is a heavy-duty POL-inlet regulator that delivers steady 11-inch WC outlet pressure to support large RVs, food trucks, generators and other high-BTU appliances.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for applications that demand reliable high-flow propane delivery, this Flame King regulator combines a dual-stage pressure reduction system with robust aluminum and brass construction. It connects to standard POL tank fittings and outputs through a 3\/8\"-18NPT port, providing a consistent, safer gas supply for multi-appliance setups while resisting wear and leaks in mobile or stationary installations.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the two-stage design improve propane delivery?\u003c\/h3\u003e\n\u003cp\u003eThe two-stage arrangement splits pressure reduction between an initial drop at the inlet and a finishing stage at the outlet. That staged approach reduces output fluctuation caused by changing tank pressure or varying appliance demand, so burners and heaters run with fewer interruptions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmoother gas flow under shifting loads\u003c\/li\u003e\n  \u003cli\u003eLess chance of regulator lock-up from rapid pressure swings\u003c\/li\u003e\n  \u003cli\u003eConsistent 11-inch water column outlet suited for multiple appliances\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and connections ensure leak-free operation?\u003c\/h3\u003e\n\u003cp\u003eFlame King uses cast aluminum for the body and solid brass for critical fittings to resist corrosion and maintain durable seals. The regulator features a POL inlet for direct attachment to many 100 lb and ASME tanks and a 3\/8\"-18NPT outlet for secure connection to RV or equipment gas lines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy-duty aluminum housing for long life and light weight\u003c\/li\u003e\n  \u003cli\u003eSolid brass inlet components for tight, reliable threads\u003c\/li\u003e\n  \u003cli\u003eStandard POL inlet and 3\/8\"-18NPT outlet compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this regulator handle high-BTU appliances and multiple outlets?\u003c\/h3\u003e\n\u003cp\u003eYes — rated at 300,000 BTU\/hr with an 11-inch water column outlet, this regulator supports the combined demand of several high-output appliances commonly found on large RVs, food trucks, or generator systems. It includes a top vent and builds in safety features suited to heavy-use environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e300,000 BTU\/hour capacity for multi-appliance setups\u003c\/li\u003e\n  \u003cli\u003eVent hole positioned at top for proper venting orientation\u003c\/li\u003e\n  \u003cli\u003eIdeal for ovens, furnaces, water heaters, and commercial burners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain the regulator safely?\u003c\/h3\u003e\n\u003cp\u003eMount horizontally in the intended orientation, secure the POL inlet to the tank with proper thread sealant or tape designed for propane, and use rated fittings on the 3\/8\"-18NPT outlet to the appliance line. Inspect connections for leaks after installation and schedule routine checks to confirm seals and venting remain unobstructed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstall horizontally with vent hole upward\u003c\/li\u003e\n  \u003cli\u003eUse approved propane thread sealant; test all connections for leaks\u003c\/li\u003e\n  \u003cli\u003ePerform periodic inspections for wear or damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Flame King regulator is built for owners and operators of larger RVs, campers, food trucks, commercial mobile units, and standby generators that require a high-flow, dependable propane supply. Choose it when you need a rugged, dual-stage regulator that pairs POL tank compatibility with an 11-inch water column output to run multiple high-BTU appliances reliably.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this regulator compatible with 100 lb or ASME propane tanks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The POL inlet accepts 100 lb and ASME tank fittings for direct connection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What outlet pressure and BTU capacity does the regulator provide?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Provides an 11-inch water column outlet pressure and a 300,000 BTU\/hr capacity.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Flame King","offers":[{"title":"Default Title","offer_id":48086421307550,"sku":"B0CZ5J9TWG","price":45.7,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/flame-king-front-view.jpg?v=1785898144","url":"https:\/\/northtrailauto.ca\/products\/flame-king-300-000-btu-horizontal-2-stage-propane-regulator-pol-inlet-11-inch-wc-output","provider":"North Trail Auto","version":"1.0","type":"link"}