Protect your 20-lb propane system with the Flame King 20lb OPD Valve with Float Gauge. This safety-focused valve is designed for standard propane cylinders, offering reliable overfill protection and a clear indication of remaining fuel for grills, heaters, and other propane-powered gear. 20 lb cylinder compatibility: Specifically designed for standard 20-pound propane tanks, ensuring a proper fit with common outdoor appliances. Overfill protection at 80%: Automatically shuts off propane flow when the liquid reaches 80% of tank capacity to reduce the risk of overfilling. Float gauge mechanism: Internal float moves with the liquid propane level; an external gauge dial displays the approximate percentage of propane remaining (dial is not included on the tank). UL Listed and durable construction: Built with premium materials for safety and reliability; UL Listed to support confidence in performance and quality. Safety and compliance guidance: Purchasers are responsible for ensuring the part is appropriate for the application and for meeting all applicable codes and standards (including CGA, NFPA, CFR 49, and Transport Canada). The Flame King OPD Valve helps you manage propane safely by preventing overfill while providing a tangible read on tank level. It’s a practical addition for homes, tailgates, outdoor kitchens, and camping setups that rely on 20-lb cylinders, helping you plan refills and usage more predictably. Remember to verify compatibility with local regulations and install according to applicable standards to maintain safe, compliant operation. Ships from supplier: Flame King Products