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Upgraded 42001-0061S Air Flow Switch Fit for Pentair mastertemp 400 air Flow Switch Fit for Starite Max E Therm and Pentair MastertempPool and Spa Water Heater

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$39.99

$ 18 .99 $18.99

In Stock

About this item

  • Compatible: The air flow switch is fit for Pentair Mastertemp used in model number: 200, 300, 400. Fit for Pentair Mastertemp low nox used in model number: 125. Replaced number part: 42001-0061s. 42001-0059s. Also compatible with all Sta Rite heaters.
  • Replacement Required: When your pool and spa heater electrical system receives an AFS error, it means airflow switch is incorrect, replace this part immediately.
  • High-Quality Materials: The electrical system airflow switch is made of high-grade materials. This high-quality and durable airflow switch kit includes: airflow switch*1, constant tension hose clamp*2, hose*2, screws*2
  • Easy to install: The pressure switch is fixed on control box. Easy to install, non-destructive replacement, easy to install, saving labor and time. Before installation, the power supply to the pump and heater should be turned off, and the plastic hose should be disconnected from the AFS connector. Unplug the wires on the AFS. Replace the AFS by removing the screws from the AFS. Note: If necessary, consider hiring a qualified installer to diagnose any heater-related problems.
  • Please Rest Assured: Each product has been tested and inspected many times before leaving the factory, if you have any questions about the product, please contact us, we will reply you immediately.


Compatible: The air flow switch is fit for Pentair Mastertemp used in model number: 200, 300, 400. Fit for Pentair Mastertemp low nox used in model number: 125. Replaced number part: 42001-0061s. 42001-0059s. Also compatible with all Sta Rite heaters.


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