Mr. Heater Gas Full Flow Plug, 1/4 in. is designed to provide a full flow plug with no restrictions, making it i for appliances that require over 80,000 BTUs or operate under high pressure. This plug is compatible with Model No. F276334 and can also serve as a for excess flow plug-in kits such as Model No. F276181, F276186, and F276330. Featuring a 1/4 inch thread size and a 1/4 inch male pipe thread with a full flow male plug connection type, it ensures efficient and reliable gas flow for your heating needs. Model Number: F276334