Specification Brand : Hayward BulletPoint : Lower Volute. BulletPoint1 : Replacement Hayward H250 H-Series Heat Exchanger Assembly BulletPoint2 : Designed for use with H250 Millivolt, ED1, and ED2 H-Series pool heaters BulletPoint3 : Includes Headers, Header O-Rings, Drain Plugs, Pressure Switch Tube, Ignition Wire Harness, and Thermostat Well BulletPoint4 : Fits Hayward Heater Model: H250 BulletPoint5 : Hayward Model: HAXHXA1253 ExternallyAssignedProductIdentifier1 : 0610377630160 ExternallyAssignedProductIdentifier2 : 610377630160 ExternallyAssignedProductIdentifier3 : 00022315322219 ItemDisplayDimensions_Height : 9 inches ItemDisplayDimensions_Length : 31 inches ItemDisplayDimensions_Width : 18.3 inches ItemDisplayWeight : 33.85 pounds ItemName : Hayward HAXHXA1253 H250 Replacement Ed2 Pool Heater Heat Exchanger Assembly ItemPackageDimensions_Height : 8 inches ItemPackageDimensions_Length : 31 inches ItemPackageDimensions_Width : 18 inches ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : swimming-pool-heater-and-heat-pump-parts Manufacturer : HAYWARD INDUSTRIES, INC Material : brass ModelNumber : HAXHXA1253 NumberOfItems : 1 PartNumber : HAXHXA1253 Pattern : Solid ProductDescription : The Hayward Heat Exchanger Assembly is a replacement heat exchanger designed for Hayward H-250 pool and spa heaters, as well as Millivolt versions ED1 and ED2. To ensure all three versions are compatible with the Hayward Heat Exchanger Assembly H250, extra items have been included in this package for operational purposes. Please note, the tube bundle is not available as a separate item.Items Included with the Tube Bundle: (1) Complete front header mounted to tube bundle (includes plugs and high limits) (1) Straight pressure switch tube (1) Bent pressure switch tube (2) Brass nut and ferrule for pressure switch tube (2) O-ring for front header union connectors (2) Thermostat wells - 3-1/2" L x 5/16" ID (2) Thermostat wells - 3" L x 3/8" ID ProductSiteLaunchDate : 2012-05-24T07:21:10.334Z SupplierDeclaredDgHzRegulation : unknown UnspscCode : 56101600