1.Made of semiconductor material and a stainless steel shell, providing excellent oxidation resistance and waterproof sealing. This ensures stable resistance and a longer service life. The product functions by controlling the heater to heat the pool water, maintaining the water temperature at the desired level 2.FDXLTER1930 thermistor compatible with Hayward H-Series pool heater H150FDN H150FDP H200FDN H200FDP H250FDN H250FDP H300FDN H300FDP H350FDN H350FDP H400FDN H400FDP. 3.FDXLTER1930 thermistor fd is specifically designed to be compatible with the Hayward H-Series pool heater. It addresses the SF CE QC error code, indicating incorrect temperature values (often too high), abnormal water temperature, and inability to adjust the water temperature.&nbs.
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