HDXFHLI400 | Hayward High Limits For HC-Series HDF400 | HDXFHLI001 Pentair max-e-therm Hi Limit Switch Built with durability in mind

Built with durability in mind

Crystal Water DE Compatible: Designed to fit Waterway Crystal Water DE filters 570-0036-07

Perfectly sized wheel: Measures 6

making it a quintessential choice for efficient water flow management

ensuring consistent operation

HDXFHLI400 | Hayward High Limits For HC-Series HDF400 | HDXFHLI001 Pentair max-e-therm Hi Limit Switch Built with durability in mindOEM Hayward High Limits HDXFHLI400, formerly known as HDXFHLI001, are essential safety components engineered for use with Universal HC Series HDF400 heaters. These high limit switches are responsible for monitoring the heater's water temperature and automatically shutting off operation if temperatures exceed safe thresholds. This critical function helps prevent overheating, protects internal components, and promotes long term heater reliability. Built