3/4" Hot Water Heater Drain ValveThis is a replacement valve for most Whale water heaters. Replacement Drain Valve for the Following Whale Water Heater Models:S300WH2000, H2050, H2200, H2250, HF2000, HF2050, HF2200, HF2250, H2000E, H2050E, H2200E, and H2250EH2850EW-3000, H2850EW-4500, H2850ES-3000, and H2850ES-4500S1800, S1850, S1900, and S1950S1800E, S1850E, S1900E, and S1950ES600, S650, S700, S750, F600, F650, F700, F750, S1100, S1150, S1200, S1250, F1100, F1150, F1200, and F1250 Size: The valve has a 3/4-inch size, which refers to the thread diameter used for connection. This size is commonly found in many hot water heaters used in RVs and boats. Material: The valve is typically made from durable and corrosion-resistant materials to handle hot water and withstand exposure to the elements. Function: The drain valve allows users to drain the hot water heater tank, making it easier to winterize the system or perform maintenance tasks. Easy to Use: The valve is designed for straightforward operation, usually requiring a simple turn or pull to open or close the drain. Compatibility: The Whale 3/4" Hot Water Heater Drain Valve should be compatible with standard 3/4-inch NPT (National Pipe Thread) threaded openings on hot water heaters. Reliability: Whale is known for producing high-quality products, and their drain valves are designed to be reliable and long-lasting.