Specification Brand : Hayward BulletPoint : Swimming Pool Main Drain Adapter - aids in attaching cover to pool main drain BulletPoint1 : Filter head cover with air relief valve replacement BulletPoint2 : Fits hayward star-clear cartridge filter BulletPoint3 : Weighs 3.2 pounds BulletPoint4 : Pressure Gauge Mounting:The air relief assembly provides a convenient location for attaching a pressure gauge. This is essential for monitoring filter pressure, allowing you to track when backwashing or cleaning is needed. A pressure gauge also helps in identifying potential issues with the system, such as blockages or leaks. BulletPoint5 : Compatibility and Durability :The pool filter pressure relief valve assembly is designed for compatible with Hayward DE filters, providing a reliable fit for your system. It is also made from durable materials, ensuring it can withstand regular use and exposure to the sunlight environment without deteriorating. Color : white (black and grey available) CompatibleDevices : Pool Cleaner CustomerPackageType : Standard Packaging Directions : 1. Orient the flat side of the valve for flow direction as illustrated. Confirm flow direction by blowing into it. If installed backwards, no ozone gas will flow, and water may back into ozone generator. 2. Install the valve in the correct flow direction to prevent spa water back-flow and protect the ozone generator. ExternallyAssignedProductIdentifier : 3494371095746 ExternallyAssignedProductIdentifier1 : 610377005692 ExternallyAssignedProductIdentifier2 : 0610377005692 ExternallyAssignedProductIdentifier3 : 00610377005692 ItemDisplayDimensions_Height : 4 inches ItemDisplayDimensions_Length : 13 inches ItemDisplayDimensions_Width : 13 inches ItemName : Hayward CX800C Filter Head Cover ItemPackageDimensions_Height : 19.812 centimeters ItemPackageDimensions_Length : 26.924 centimeters ItemPackageDimensions_Width : 26.67 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : swimming-pool-and-spa-replacement-parts ItemTypeName : Sand Filter Pressure Gauge Adapter Manufacturer : Hayward Material : Plastic ModelName : Air Relief Assembly ModelNumber : CX800C NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : CX800C Pattern : Xtreme Multilayer Filter Bag PowerSourceType : No ProductBenefit : removes debris from water ProductDescription : The swimming pool Main Drain Adapter (color - WHITE) aids in attaching the main drain cover; it sets in the main drain pot (3 thumb screws provided) of your swimming pool; the main drain cover is set on top and can now be screwed into the MDA. This is needed when the screws break off or rot out in the screw holes, preventing you from putting your VGB approved safety cover back on. Intended for residential pools. (2 sets of stainless steel cover screws provided). Also available in grey and black. CLICK LINK TO VIEW VIDEO: https://www.youtube.com/watch?v=cysgW33ITlY ProductSiteLaunchDate : 2008-08-06T17:55:46-00:00 Size : One Size Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1