Specification Brand : Aberdeen Parts Store ConnectivityProtocol : X-10 ConnectorType : 3-pin ExternallyAssignedProductIdentifier : 7004242391257 InternationalProtectionRating : IP54 ItemName : 4-prong Intertherm F110-20F / L130-15F fan & limit switch 626291 ItemPackageDimensions_Height : 5 inches ItemPackageDimensions_Length : 5 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 1 ItemTypeKeyword : electronic-component-limit-switches Manufacturer : Aberdeen Parts Store Material : Copper ModelNumber : CECOMINOD012028 MountingType : Pole OperationMode : Erp PartNumber : 626291 ProductDescription : Original is no longer available. You will receive a replacement unit built to exceed safety specs. Fan & limit control. Extends 3" out from backplate. Fan switch is rated at F110-20F. Limit switch is rated at L130-15F. Fan & limit cannot be bought separately. Switch size is 11T11. Base plate with 4 terminals measures 3x3-1/8". Replaces 6262910. This is the less-common 4-prong furnace switch. If you only have the more common 3-wire connectors, you need to purchase the 626XXX also found on Amazon. ProductSiteLaunchDate : 2016-09-30T18:43:07.208Z SwitchType : Limit Switch UnitCount : 1 UnspscCode : 39122200