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Easy installation with minimal maintenance
Vector™ design adds a modern
this filter helps protect pumps
Regulates gas flow to the burner
Hayward Heat Exchanger Assembly, for H300FD Heater | FDXLHXA1300 category_cushions-pillows Easy installation with minimal maintenanceWhat This Part Is Used For The Hayward FDXLHXA1300 Heat Exchanger Assembly is designed for H300FD heaters. It transfers heat generated by combustion into pool water circulation. Why This Part Matters Heat exchanger failure can cause internal leaks or inefficient heating cycles. Replacing the assembly restores proper temperature rise and water flow integrity. It protects other heater components from secondary damage. Key Features and Specifications
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