Hayward Platform Base with Screws – Low Profile for StarClear Cartridge Filter and Perflex DE Filter | EC1161PAK Interactive Play threads - 1 1/2" FPT

threads - 1 1/2" FPT

Special Winterizing position

industry-standard replacement for those systems

It is specifically formulated to reduce wear on components subject to continuous moisture exposure and chemical contact

apply a thin coat of silicone-based lubricant to extend O-ring life and ensure a consistent seal — browse Pool Plumbing Lubricants for a compatible option

Hayward Platform Base with Screws – Low Profile for StarClear Cartridge Filter and Perflex DE Filter | EC1161PAK Interactive Play threads - 1 1/2" FPTThe Hayward Platform Base with Screws Low Profile (EC1161PAK) is the OEM replacement filter base for the StarClear Cartridge Filter W3C500 and the Perflex Extended Cycle DE Filter W3EC40AC. This low profile thermoplastic platform base mounts the filter tank to a stable footing and includes the mounting screws required for reassembly. Replacing a cracked, broken, or missing base restores proper filter stability and ensures the tank sits level and