Hayward Universal LP to Nat. Conversion Kit (FDXLCNK0002) airinjectors A temperature sensor is useful

A temperature sensor is useful because it helps the heater monitor operating conditions accurately

and this Herga Electric version uses the 6871-AEF-U526 configuration with C21A reference 5310001

so using the correct replacement can make a real difference in bringing that experience back

One of the biggest benefits of replacing the overlay alone is that it targets the visible issue without disturbing a working control system

This replacement is especially useful when the original pod shoes are worn smooth

Hayward Universal LP to Nat. Conversion Kit (FDXLCNK0002) airinjectors A temperature sensor is usefulThe Hayward fuel conversion kit is designed for compatible Universal heater applications where the system needs to be converted from liquid propane to natural gas. A kit like this is useful because it helps make the fuel type transition using components intended for that change, supporting a cleaner and more appropriate conversion path. This replacement is especially useful when a compatible heater is being reconfigured for a different fuel source or