• OVERFILL PROTECTION (OPD) – Prevents dangerous overfilling by automatically shutting off when propane reaches 80% capacity
• DESIGNED FOR HORIZONTAL TANKS – Specifically made for Flame King 40LB HOG propane cylinders (Model YSN40HOG)
• NOT FOR VERTICAL USE – This valve is not compatible with standard vertical 40LB propane tanks
• UL LISTED SAFETY – Built with premium, high-quality materials and certified for safe propane handling
• RELIABLE REPLACEMENT PART – Ideal for replacing worn or damaged OPD service valves on compatible Flame King tanks

Ensure safe and reliable propane storage with the Flame King PDQOPD-AS40H OPD Service Valve, designed specifically for 40LB horizontal HOG propane tank cylinders. This Overfill Protection Device (OPD) automatically shuts off the flow of propane once the tank reaches 80% capacity, helping prevent overfilling and enhancing overall safety. Constructed from high-quality, UL-listed materials, this valve delivers dependable performance for long-term use. Compatible with the Flame King Model YSN40HOG horizontal tanks; NOT suitable for vertical 40LB cylinders. Whether replacing a worn valve or upgrading your setup, this OPD service valve is an essential component for maintaining safe propane operation.