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OEM Hayward High Limit Kit FDXLHLI1930 is a vital safety component engineered for FD H-Series Low NOx heaters, designed to shut down the system if internal temperatures rise above safe operating levels. This high-quality kit prevents overheating that can damage heater components and compromise performance. Built with durable, heat-resistant materials, it offers long-term reliability in demanding pool environments. Whether used during routine service or emergency replacement, this high limit kit helps preserve your heater’s safety, functionality, and efficiency.
Highlights
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OEM Safety Solution for FD Heaters: Specifically designed for Hayward Low NOx models to regulate safe temperature thresholds
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Automatically Shuts Down When Overheating: Interrupts heater operation if temperatures exceed limits, helping prevent system damage
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Constructed for Long-Term Reliability: Made from high-grade materials to endure repeated thermal cycling and exposure to harsh conditions
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Ideal for Routine Maintenance or Emergency Use: Ensures heater remains operationally safe during both preventive service and urgent repairs
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Preserves Heating Efficiency and Lifespan: Critical to maintaining consistent performance and protecting internal components from heat stress
Compatibility
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Hayward H-Series Heaters Models: H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, H500FD
Additional Info
Troubleshooting Overheat and Shutdown Problems
heater shuts off before reaching set temp
h300fdn overheating and tripping high limit switch
heater won’t restart after short run cycle
overheating error code replace fdxlhli1930
safety shutoff triggered by temperature spike
In-Store Purchase and Installation Help
buy hayward fdxlhli1930 high limit kit in-store
walk-in part for fd series heater overheat issues
quick install high limit switch for h-series heaters
heater shutdown fix available at retail location
local support replacing failed high limit sensor
Compatibility With FD H-Series Models
fdxlhli1930 fits h150fdn to h500fd heater range
does this high limit kit fit my hayward h400fdn
compatible with propane and natural gas heaters
confirm fitment before in-store high limit kit purchase
part number match for h-series heater temperature limit
Diagram
