When your Hayward Universal H-Series Low NOx pool heater needs a new temperature sensor, the Swimables Thermistor SW-42-931 is the dependable answer. Functioning as a drop-in replacement for the Hayward FDXLTER1930, this sensor precisely tracks water temperature inside the heater, enabling the control system to maintain peak efficiency and energy conservation. Engineered from resilient materials that hold up against sustained heat and moisture, the SW-42-931 delivers consistent accuracy and lasting service life in the toughest pool heating environments.

Key Benefits

• Drop-in substitute for FDXLTER1930: Engineered for effortless compatibility with Hayward Universal H-Series Low NOx pool heaters.
• Precision temperature sensing: Delivers reliable water temperature data so your heater can operate efficiently and consistently.
• Promotes energy savings: Enables correct heater function, minimizing wasted energy while keeping water at your preferred temperature.
• Resilient build quality: Constructed from premium materials that withstand ongoing exposure to heat, moisture, and chemical environments.
• Critical to heater safety: Keeps your pool heating system running within safe parameters for worry-free, long-term operation.

What's Included

• Thermistor

Compatibility

• Hayward FD H-Series Heaters Models: H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, H500FD

Specifications

• Brand: Swimables
• Part Number: SW-42-931

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