Hayward Valve Key | SPX0740C Discontinued Hayward produces cartridge filters with

Hayward produces cartridge filters with serviceable air relief systems

Genuine components help maintain dependable heater function

It seals joints to block water leakage

particularly in setups requiring high-flow performance

this heater blends style and functionality

Hayward Valve Key | SPX0740C Discontinued Hayward produces cartridge filters withWhat This Part Is Used For The SPX0740C valve key installs inside compatible Hayward SP0740 series multiport valves. It directs water flow through selected valve positions. Why This Part Matters A cracked or worn valve key can prevent proper port alignment and cause internal leaks. That may result in ineffective filtration or backwash issues. Replacing the valve key restores accurate flow routing. Key Features and Specifications Manufacturer part