Specification Brand : Swimables BulletPoint1 : Compatibility: Designed to work with Pentair Mastertemp 400 parts, 300, 200 and Pentair Mastertemp 125 low nox pool heater parts. It will also work all Sta Rite Heaters. BulletPoint2 : AFS Error: Replace this part when you are receiving an AFS error on your mastertemp or starite pool heater. The AFS error stands for air flow switch error. BulletPoint3 : Location: The location of the Air Flow Switch (AFS) is on the control box fastened on. Consider hiring a qualified installer to diagnose any heater related issued. BulletPoint4 : How to Install: Turn off pump and electrical power to the heater. Disconnect plastic tubing from AFS fittings. Unplug the wires to the AFS. Remove the screws used to fasten the AFS. Replace the AFS. BulletPoint5 : Kit Includes: This replacement Pentair Air Flow Switch kit includes (1) air flow switch, (1) constant tension hose clamp, (2) screws, and (2) hose tubing. ExternallyAssignedProductIdentifier1 : 0313107512605 ExternallyAssignedProductIdentifier2 : 313107512605 ExternallyAssignedProductIdentifier3 : 00720564076036 ItemDisplayDimensions_Height : 6 inches ItemDisplayDimensions_Length : 19 inches ItemDisplayDimensions_Width : 12 inches ItemName : Swimables Air Flow Switch Compatible with Pentair Pool Heater Parts 42001-0061S - Compatible with Pentair Mastertemp and Starite Max E Therm Pool and Spa Water Heater ItemPackageDimensions_Height : 9 inches ItemPackageDimensions_Length : 11 inches ItemPackageDimensions_Width : 9 inches ItemPackageQuantity : 12 ItemTypeKeyword : swimming-pool-heater-and-heat-pump-parts Manufacturer : Sina Industries Inc Material : plastic ModelName : MegaBundle ModelNumber : MegaBundle NumberOfItems : 1 PartNumber : MEGABUNDLE PowerSourceType : Manual ProductDescription : Swimables Heater Repair Kit for Pentair Mastertemp and Starite Max-E-Therm Pool and Spa Heater - Mega Bundle Includes - Thermistor 42001-0053S, Stack Flue Sensor 42002-0024S, HLS 42001-0063S, AGS 42002-0025S, Igniter 77707-0054, Thermal Regulator 77707-0010, Control Board 42002-0007s, Membrane Pad 42002-0029Z/472610Z, Manifold Oring Set 77707-0120, Bypass Valve 77707-0001, and Air Flow Switch 42001-0061S. Mega Bundle - The perfect Pentair Mastertemp parts list designed to fix most problems within the Pentair Pool Heater. This Pentair Mastertemp 400 parts bundle is designed for the pool professional or the homeowner. Compatibility: This pressure switch is compatible with all BTU's of the Pentair Mastertemp heater parts and Mastertemp 400 parts. It will also work with HD Versions of the heater as well. Affordable: Unlike the OEM, this parts list is the most affordable Master Temp 400 and Sta Rite Repair Kit on the market. Compatible with all Pentair Pool Heater parts. Kit Includes: Thermistor, Stack Flue Sensor, High Limit Switch, AGS, Igniter , Thermal Regulator Kit, Control Board, Membrane Pad, Manifold Oring Set , Bypass Valve, and Air Flow Switch. Best Value - This one purchase can ensure that your Pentair Pool Heaters and Starite Pool Heater will work for years to come. The kit contains enough replacement parts to fix various different issues. ProductSiteLaunchDate : 2024-09-11T18:45:33.030Z Size : 4 Pack Style : Air Flow Switch 42001-0061S SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 39122200