Specification Brand : ToughAid BulletPoint1 : Applicable models: Compatible with various Pentair MasterTemp and Sta Rite Max-E Therm models of heaters, MasterTemp 400、 300, 200, 125 low nitrogen pool heaters, as well as Sta Rite Max-E Therm 200, 333, 400 and other models. Replacement: 42001-0061s, 42001 - 0059S BulletPoint2 : Internal packaging:Air flow switch 42001-0061s, with 1 airflow switch, 2 hoses, 2 screws, and 2 hose clamps inside. BulletPoint3 : AFS error prompt appears: If the AFS (Air Flow Switch) error code appears on the display screen of the pool or hot spring heater, it usually indicates that there is a problem with the air flow switch, which may be a malfunction of the switch itself. In this case, a new 42001-0061s air flow switch needs to be replaced BulletPoint4 : Before installation, turn off the power and related pumps, unplug the plastic tube connected to the original airflow switch from the accessory, and unplug the electrical plug at the same time. Use a screwdriver to unscrew the fixed screws, remove the old one, install the new 42001-0061S airflow switch, and secure it. 【 Attention 】 If you are unsure about the operation steps or encounter difficulties, it is recommended to consult professional technicians. BulletPoint5 : Regarding service: After you purchase the 42001-0061S airflow switch, we are willing to listen to your voice and provide you with the most thoughtful and comprehensive solution. BulletPoint6 : Design Spec: Model KSPF-005L3R1A1, 16,000 BTU heating capacity, operates on 110-120V / 60Hz, compact at 16.5'' L × 14.2'' W × 17.8'' H, and weighs 59 lbs Color : black ControllerType : Mechanical knob ExternallyAssignedProductIdentifier1 : 694685567813 ExternallyAssignedProductIdentifier2 : 0694685567813 GpsrSafetyAttestation : 1 Hazmat1 : auto-grounding Hazmat10 : ES_NoAir Hazmat11 : IN_NoAir Hazmat12 : MX_NoAir Hazmat13 : CN_NoAir Hazmat14 : BR_NoAir Hazmat15 : SG_NoAir Hazmat16 : AU_NoAir Hazmat17 : TR_NoAir Hazmat18 : AE_NoAir Hazmat19 : SA_NoAir Hazmat2 : 3 Hazmat20 : NL_NoAir Hazmat21 : EG_NoAir Hazmat22 : SE_NoAir Hazmat23 : PL_NoAir Hazmat24 : BE_NoAir Hazmat25 : ZA_NoAir Hazmat26 : IE_NoAir Hazmat3 : US_NoAir Hazmat4 : GB_NoAir Hazmat5 : DE_NoAir Hazmat6 : FR_NoAir Hazmat7 : JP_NoAir Hazmat8 : CA_NoAir Hazmat9 : IT_NoAir IncludedComponents : Filter IncludedComponents1 : pool pump IncludedComponents2 : 1.5" Pipe Fitting IncludedComponents3 : 2" Pipe Fitting IncludedComponents4 : PTFE tape IncludedComponents5 : manual IsAssemblyRequired : 1 ItemName : 42001-0061s Pressure Switch, Air Flow Switch, Compatible with Pentair MasterTemp and Sta Rite Max-E Therm Models of Heaters, MasterTemp 400 300 200 125 Low Nitrogen Pool Heater, Comes with 2 Hoses ItemPackageDimensions_Height : 12.192 centimeters ItemPackageDimensions_Length : 6.7056 centimeters ItemPackageDimensions_Width : 10.1092 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : swimming-pool-heater-and-heat-pump-parts Manufacturer : ToughAid Material : Mixed ModelName : 42001-0061s ModelNumber : 42001-0061s NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : 42001-0061s PowerSourceType : electric ProductDescription : Air flow switch 42001-0061s Compatible with various Pentair MasterTemp and Sta Rite Max-E Therm models of heaters, MasterTemp 400, 300, 200, 125 low nitrogen pool heaters, as well as models such as Sta Rite Max-E Therm 200, 333, 400. If the AFS (Air Flow Switch) error code appears on the display screen of the pool or hot spring heater, it usually indicates that there is a problem with the air flow switch, which may be a malfunction of the switch itself. In this case, a new 42001-0061s air flow switch needs to be replaced. ProductSiteLaunchDate : 2025-05-14T02:27:07.633Z Size : 27000BTU SpecificUsesForProduct : In-Ground Pool Style : Inground and Above Ground SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TemperatureControlType : Manual, Automatic UnitCount : 26 UnspscCode : 39122200 Voltage : 110 volts_of_alternating_current Wattage : 1500 watts