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Description

FDXLTER1930 Hayward Thermistor, Temperature Sensor

The FDXLTER1930 Hayward Thermistor,Temperature Sensor is a suitable replacement for temperature sensors on Hayward heater models H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, H500FDN and H500FDP. If your Hayward heater is in need of a new temperature sensor, be sure that the FDXLTER1930 fits your existing model for a fast fix.

Changing out the FDXLTER1930 Hayward Thermistor, Temperature Sensor is a bit of a tricky maneuver, as there is limited space where this component is housed. We recommend that you seek the help of a pool heating professional to change out your temperature sensor.

Used with:

• Hayward H-Series Above-Ground 135K BTU Heater (Made in 2019 and Before) - H135ID1, H135ID1P
• Hayward Universal H-Series Low NOx Heater (Made in 2019 and Before) - H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, H500FDN, H500FDP

Might be compatible with older models as long as the part number is listed in the product manual

Replacement Part for Hayward FDXLTER1930 Thermistor, Temp Sensor, FD Heater. For models made in 2019 and before 

Check the manual or the serial number of your heater to define whether you need FDXLTER1930 or FDXLTER1931. The 5th and 6th digits indicate the year of production, the 7th and 8th digits indicate the month of production

Heater Serial Number	Part number required
xxxx2001 and newer	FDXLTER1931
xxxx1912 and older	FDXLTER1930

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