The Hayward FDXLWPS1930 FD Series Water Pressure Switch is designed to detect when the water circulation pump shuts off, turning your pool heater off as well. This ensures that your heater will not overheat and cause damage. This switch is energy efficient. It is also compatible with various Hayward Universal H-Series Low Nox heaters.

• Switch Type - Pressure
• Easy to install
• Made from high-quality materials
• Genuine Hayward replacement part

Fitment Guidelines:
For use with ASME Heater, H150FD/H200FD/H250FD/H300FD/H350FD/H400FD Universal H-Series Low NOx and Pool and Spa/Hot Tub Heaters

Additional Information:
Alternate Part Numbers - HPPFDXLWPS1930, HAY-151-0053, 47-150-1535