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OEM Hayward Differential Pressure Switch HDXFDPS400 is engineered for use with Hayward HC Series HDF400 heaters to monitor pressure differentials across the filtration system. This precision switch detects abnormal pressure changes and activates alarms or system shutdowns to prevent damage caused by restricted flow or dirty filters. Its durable design ensures long-term reliability under high-temperature and chemically treated conditions. As a critical safety and performance component, it contributes to maintaining efficient heater function while helping to extend equipment lifespan through proactive protection.
Highlights
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Engineered for HDF400 Systems: OEM switch built specifically for Hayward HC-Series heaters to ensure accurate and responsive pressure monitoring
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Detects Filter Pressure Changes: Activates alerts or shuts down system when abnormal filter pressure is detected, indicating maintenance is required
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Improves System Safety and Control: Helps avoid system damage due to pressure imbalances by responding quickly to flow disruptions
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Durable, Pool-Grade Construction: Constructed with high-quality materials that resist wear, pressure fluctuations, and chemical exposure
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Supports Long-Term Equipment Health: Prevents internal damage caused by neglected maintenance, improving heater reliability and longevity
Compatibility
- Compatible with Hayward HC Series HDF400 Heaters
Additional Info
Troubleshooting Pressure-Related Heater Errors
hdf400 heater shutting down due to pressure issues
how to fix pressure imbalance in hc-series heater
pool heater shows service light pressure switch fault
heater not starting check differential switch hdxfdps400
signs of failing pressure switch in hdf400 model
In-Store Availability and Use Cases
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Fitment and Model Matching
hdxfdps400 fits hayward hc-series hdf400 only
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Diagram
