Specification Brand : American Spa Parts BulletPoint : Polaris D31 180 Pool Cleaner Strainer Housing Hose Barb BulletPoint1 : 3 1/4" Outside and 2 1/4" Inside Diameter and Thread inside Diameter is 3" BulletPoint2 : Kit includes (2) of each 2"Split Nut, Gasket.Slice Valve and 2" Slip x 2" Threaded Union BulletPoint3 : Union is 3" Across the Threads and the inside Glue Joint is 2 3/8" Inside Diameter BulletPoint4 : See our You Tube Video Called "Hot Tub Spa Part 2" Heater Split Nut Information How To The Hot Tub Professor" BulletPoint5 : Fits Some 15" X 2" Spa Heaters BulletPoint6 : The Easiest Installation Ever: Say goodbye to dust, bubbles, and misalignment with NanoArmour. Our proprietary perfect-align application system lets you install your screen protector like a pro in seconds, while anti-dust technology makes installation a breeze. It is so easy, even a child could do it. Color : Black CompatibleDevices : iPhone 14 Pro Max CompatiblePhoneModels : 14 Pro Max CustomerPackageType : Anti Blue Light Blocker ExteriorFinish : Black ExternallyAssignedProductIdentifier1 : 0740016013877 ExternallyAssignedProductIdentifier2 : 740016013877 ExternallyAssignedProductIdentifier3 : 00788379690458 FinishType : Glossy IncludedComponents : Screen Protector ItemDisplayDimensions_Height : 1.5 inches ItemDisplayDimensions_Length : 3.5 inches ItemDisplayDimensions_Width : 3.5 inches ItemDisplayWeight : 5 pounds ItemHardness : 9H ItemName : 2X Hot Tub Spa 2" Split Nut Slice & Union Kit for Heater with Gasket Video How to ItemPackageDimensions_Height : 6 inches ItemPackageDimensions_Length : 8 inches ItemPackageDimensions_Width : 8 inches ItemPackageQuantity : 2 ItemTypeKeyword : swimming-pool-and-spa-replacement-parts ItemTypeName : Pool Filter Cartridges Manufacturer : American Spa Parts Material : Metal ModelName : youtBUgqc5Yz2j ModelNumber : ASP2splitnutgasket1x+Union+Slice2sx2st2X NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : ASP2splitnutgasket1x+Union+Slice2sx2st2X ProductDescription : You are buying a Set of (2) 2" Heater Split Nut with 2" Slip X 2" Thread Heater Union Kit which includes (2) Split Nuts , (4) Screws, (2) 2" Slip X 2" Threaded Unions and gaskets for use with a 2" Heater Union as well as (2) 2" Slip x 2" Street Slice Gate Valves. The Heater Flange Split Nut mounts to the heater tube using 2 screws to hold it in place and screws onto the heater threaded union with a gasket between the union and tube. If your plumbing is 2" which Measures 2 3/8" Outside Diameter and your heater is 2" which measures 2" inside the tube and the threaded part measures 3" Outside Diameter then this part is correct. This version is the most popular version. 1 1/2 x 1 1/2 is 2nd most popular and 1 1/2" X 2 is 3rd most popular.This part is used in hot tubs to plumb a heater tube to a heater union. Note: The Heater tube in pictures is NOT included!! Note: We have a You Tube Video about this part. Look for "Hot Tub Spa Part 2" Heater Split Nut Information How To The Hot Tub Professor" PLEASE NOTE: We did a lot of extra work with pictures and measurements so please do your part and measure your old part to be sure it is correct.. This will save us all some time and money.. Thanks.. Note: Colors May Vary it could be white or black pvc.. ProductSiteLaunchDate : 2014-10-14T07:00:00.000Z ScreenSurfaceDescription : Smooth Size : 2" Style : Foldable SupplierDeclaredDgHzRegulation : unknown SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 WarrantyDescription : Lifetime Limited warranty WaterResistanceLevel : water_resistant