Specification Brand : Multizenic BulletPoint : DIY BulletPoint1 : High Performance: This DN20 G3/4 brass automatic air vent valve is designed for solar water heaters, featuring high temperature , protection, and reliably sealing to ensure optimal performance. BulletPoint2 : Efficient Air Removal: The valve effectively removes excess air during the operation of the exhaust system and HVAC system, maintaining the system's efficiency and extending its lifespan. BulletPoint3 : Easy Maintenance: Designed for convenient demounting and maintenance, this valve allows for easy access without the need to empty the system, saving time and effort. BulletPoint4 : Special Tray Design: The steam and water separation tray is specially designed to prevent water discharge during exhaust, ensuring the system remains dry and operational. BulletPoint5 : sturdy Brass Construction: Made from high-quality brass, this automatic air vent valve is built to withstand the rigors of daily use, providing long-lasting performance for your solar water heater. Color : Multi Department : Unisex Adult ExternallyAssignedProductIdentifier : 8017279893914 ExternallyAssignedProductIdentifier1 : 0670008459393 ExternallyAssignedProductIdentifier2 : 670008459393 IncludedComponents : No ItemDisplayDimensions_Length : 2.17 centimeters ItemDisplayWeight : 0.1 pounds ItemName : DN20 G3/4 Brass Automatic Air Vent Valve for Solar Water Heater, High Temp, Protection, Sealing, Removes Excess Air, Easy Demount and Maintenance ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : relief-valves Manufacturer : Multizenic Material : Copper ModelName : Multizenic8fg3aipd1z ModelNumber : Multizenic8fg3aipd1z NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Multizenic8fg3aipd1z ProductDescription : Features: This valve features high temperature , protection, reliably sealing. Remove excess air during the operation of the exhaust system and hvac system The exhaust mechanism is very and is cast from high- components It is convenient to demount and maintenance, while the water in the system will not out, so there is no need to empty the system. The steam and water separation tray is designed with special structure to ensure that the water will not be discharged during exhaust. As long as the system has pressure, the exhaust valve will continue to vent. It can be operated reliably, either when the system is running with water added or when the system pressure is too high and adequate drainage is required.