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

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.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.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.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.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.