Hayward Perflex EC65 Flex Tube Nest (ECX1251) nutsboltsscrews A relief valve is useful

A relief valve is useful because it helps protect the heater and connected system by responding when pressure exceeds the intended range

0 THP pre-2004 applications where the original impeller has cracked

Designed for 8 inch indoor vent configurations

That makes the repair feel much cleaner and more dependable once it is complete

Longer sensor runs require a component that can carry accurate temperature information without forcing awkward wiring solutions

Hayward Perflex EC65 Flex Tube Nest (ECX1251) nutsboltsscrews A relief valve is usefulThe Hayward Perflex flex tube nest is designed for compatible EC65 DE filter applications where the internal filtration assembly needs replacement. A flex tube nest is useful because it forms the core filtration surface for DE media, supporting fine particle removal and helping maintain cleaner water. This replacement is especially useful when the original tube nest is torn, damaged, worn, or clogged beyond cleaning. Replacing the internal assembly