Fluidmaster 400 Float Valve – Pool Autofill Replacement OEM Filter Set The Sta-Rite U3 skimmer lid

The Sta-Rite U3 skimmer lid installs directly onto the skimmer opening with no tools required

and blowers requiring a 30 MFD run capacitor rated at 370VAC

you’re choosing a proven maintenance accessory trusted by pool owners and service professionals alike

and help keep your pool water clear—without unnecessary upsells or guesswork

making it ideal for routine maintenance or repairs

Fluidmaster 400 Float Valve – Pool Autofill Replacement OEM Filter Set The Sta-Rite U3 skimmer lidThe Fluidmaster 400 Float Valve is a reliable, automatic water level control valve designed to maintain consistent water levels in pools, spas, and water features when used in autofill or make up water applications. Known for its dependable performance, this valve helps prevent low water conditions that can lead to pump damage, air intrusion, and circulation issues. Originally engineered for durability and smooth operation, the Fluidmaster 400