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Waterway Plastics produces precision components for pool and spa systems
Common during seasonal startups and when pressure remains high after cleaning
Manufacturer part number 672-7401
known for precise reagents and robust testing protocols
Hayward Water Pressure Switch, Plastic | FDXLWPS1930 Pool Cover Reels Waterway Plastics produces precision componentsWhat This Part Is Used For The Hayward FDXLPS1930 Water Pressure Switch monitors water flow inside FD series heaters. It ensures the heater only fires when proper water pressure is present. Why This Part Matters A faulty pressure switch can prevent ignition or allow unsafe heater operation. Replacing it restores proper safety interlock protection and dependable startup. It is a key component in protecting the heat exchanger from dry firing. Key
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