[Used for] The automatic air vent valve is used to remove excess air during operation of the exhaust system and HVAC system. [Automatic Brass Air Vent Valve] The water heater drain valve is made of high quality brass, which has the characteristics of high temperature resistance, rust resistance and sealing. [Steam and Water Separation Tray ] The steam and water separation tray is designed with a special structure to ensure that water is not drained during draining. Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. ​​【Service】 We are responsible for the product and believe in the quality of the product. Professional functions and high reliability give you a different experience and ensure every customer's satisfaction. If you have any questions about our products, we will answer them at any time., Manufacturer: Akozon