Flame King Bundle ACR-2a 2-Stage Auto Changeover LP Propane Gas Regulator + 2-Pack 12-inch Pigtail Hose Connectors, POL Fittings x 1/4" Inverted Male Flare (not NPT) for RVs, Vans, or Trailers

This dual tank regulator system automatically switches from the primary propane tank to the reserve tank when empty, ensuring uninterrupted gas supply and allowing easy removal of empty cylinders for refill—ideal for RV setups. Its double-stage design maintains consistent gas pressure under varying demand, factory set at 11" WC with a lockout pressure up to 14.9" WC and rated for up to 345,200 BTU. The complete connection kit includes the regulator and two 12" pigtail hoses (1/4" ID) with POL nut x 1/4" inverted male flare fittings, designed for seamless connection to propane tanks and 1/4" inverted flare inlet regulators. Durable POL fittings provide secure, leak-free connections, reinforced with high-strength thread-locker (Loctite) for added safety. Built for versatility, it works with propane tanks, RV systems, BBQ grills, heaters, and other LP gas appliances, and is compatible with Flame King’s 48-inch thermoplastic hose (Model 100383-48). UL listed and compliant with UL569 standards for propane gas use in the U.S. and Canada, this system is constructed from premium aluminum and brass with thermoplastic hoses and solid brass fittings for long-lasting durability, corrosion resistance, and reliable flexibility in various weather conditions, while built-in thermal and excess flow protection features provide enhanced safety and peace of mind.

• DUAL TANK REGULATOR SYSTEM: Automatically switches from the primary propane tank to the reserve tank when empty, allowing uninterrupted gas supply and easy removal of empty cylinders for refill—ideal for RVs with dual propane tanks
• DOUBLE-STAGE PERFORMANCE: Maintains consistent gas pressure under varying demand and conditions; factory set at 11" WC (water column) with lockout pressure up to 14.9" WC; rated for up to 345,200 BTU
• COMPLETE CONNECTION KIT: Includes the REGULATOR and two 12" pigtail hoses (1/4" ID) with POL nut x 1/4" inverted male flare fittings—designed to connect propane tanks to 1/4" inverted flare inlet regulators
• SECURE & LEAK-FREE FITTINGS: Durable POL connections ensure tight, reliable attachment to propane tanks with internal threads; regulator connections are reinforced with high-strength thread-locker (Loctite) to prevent gas leaks
• HIGH COMPATIBILITY: Works with propane tanks, RV regulators, BBQ grills, heaters, and other LP gas appliances; compatible with Flame King's 48-inch Thermoplastic Hose (Model 100383-48)
• CERTIFIED & SAFE: UL listed regulator and hoses compliant with UL569 standards for propane gas use in the U.S. and Canada
• BUILT FOR DURABILITY: Made with premium aluminum and brass (regulator) plus thermoplastic hoses with solid brass fittings, delivering long-lasting performance, corrosion resistance, and reliable flexibility in all weather conditions
• ENHANCED SAFETY FEATURES: Includes built-in thermal protection (fire safety) and excess flow protection (in case of gas line rupture) for added peace of mind