Specification Brand : AMECA BulletPoint : Compatibility Replacement: Designed to work with 460730, 460732, 460734, 460736, 460805, 460806, SR200NA. SR333NA, SR400NA. SR400HD. This bypass valve will work on all models of the Mastertemp and Max E Therm BulletPoint1 : Compatibility: Designed to work with p Mastertemp 400 parts, 300, 200 and p Mastertemp 125 low nox pool heater parts. It will also work all Sta Rite Heaters BulletPoint2 : If you have any questions about models or part numbers - contact us and we will definitely help you as soon as possible. BulletPoint3 : Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp BulletPoint4 : Weight 3 pounds BulletPoint5 : 2000-10100-feet Color : black ExternallyAssignedProductIdentifier : 9331672422571 ExternallyAssignedProductIdentifier1 : 0367457694887 ExternallyAssignedProductIdentifier2 : 367457694887 ExternallyAssignedProductIdentifier3 : 00610377105392 GpsrSafetyAttestation : 1 ItemDisplayDimensions_Height : 1.8 inches ItemDisplayDimensions_Length : 5.1 inches ItemDisplayDimensions_Width : 2.8 inches ItemDisplayWeight : 2 pounds ItemName : Air Flow Switch Compatible with P Mastertemp Pool Heater Parts 42001-0061S ItemPackageDimensions_Height : 11.43 centimeters ItemPackageDimensions_Length : 44.45 centimeters ItemPackageDimensions_Width : 16.51 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : swimming-pool-heater-and-heat-pump-parts Manufacturer : AMECA ModelName : Generic ModelNumber : FDXLVPS1931 NumberOfItems : 999 PartNumber : 508 PowerSourceType : manual ProductDescription : Compatibility: Designed to work with p Mastertemp 400 parts, 300, 200 and p Mastertemp 125 low nox pool heater parts. It will also work all Sta Rite Heaters ProductSiteLaunchDate : 2025-03-17T10:01:27.079Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 39122200