Hayward H400FD Heat Exchanger (FDXLHXA1400) tools this part helps maintain consistent

this part helps maintain consistent operation while reducing the risk of leaks

Designed for compatible 407A burner-area applications

Useful when the original body is cracked or internally worn

making the seat more satisfying every time the spa is used

It supports proper function within the system while helping maintain balanced operation across connected components

Hayward H400FD Heat Exchanger (FDXLHXA1400) tools this part helps maintain consistentThe Hayward heat exchanger is designed for compatible H400FD heater applications where powerful, dependable heat transfer is needed. A heat exchanger is useful because it carries the main responsibility for transferring heat into the water, directly affecting how well the heater performs overall. This replacement is especially useful when the original exchanger is leaking, corroded, scaled, cracked, or losing efficiency over time. Replacing it can