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Hayward SX244K – Top Closure Dome for ProSeries Sand Filters
Product Overview
This top closure dome is a direct replacement cover for select Hayward ProSeries and ProSeries Plus sand filter tanks. It provides a proper sealing surface for the tank and ensures safe and efficient filter operation.
Key Features
- Replacement dome for Hayward ProSeries / ProSeries Plus sand filters.
- Includes 6-tab clamp mounting for secure fit on tank rim.
- Durable molded construction; engineered for pool chemical environments.
- Pre-prepared hole for pressure gauge and air relief valve installation.
Technical Specifications
- Part Number: SX244K
- Outside Diameter: Approx. 8-1/8″ at flange.
- Height: Approx. 3-1/2″ tall dome profile.
- Mounting Style: 6-tab clamp-on design for ProSeries side-mount sand filter tanks.
Applications & Compatibility
This dome is compatible with Hayward ProSeries side-mount sand filters such as models S210S, S244S, S310S and the ProSeries Plus models S311SX/S311SXV/S360SX. Always verify your filter body model and clamp style or tab count before purchasing to ensure proper fit.
Installation Instructions
- Turn off pump and relieve pressure before opening the filter tank.
- Remove the old dome and inspect the tank rim and O-ring groove for damage.
- Clean the sealing surfaces, align the new SX244K dome, install the 6-tab clamp and tighten evenly.
- Reconnect the pressure gauge and air relief valve, restore system startup and check for proper sealing and normal pressure.
Troubleshooting
- Leak at dome clamp: Check that the O-ring gasket is seated, the dome flange is fully inserted and the clamp tabs are evenly tightened.
- Dome won’t seat or clamp tabs don’t align: Verify you have the correct model dome for your filter and that no debris or warped tank rim is preventing fit.
- High pressure or poor backwash performance: Confirm dome is sealed properly, laterals are properly seated and valve position is correct.
Maintenance Tip
Inspect the dome and clamp annually for cracks, warping or O-ring deterioration. Replace the gasket and ensure the clamp is secure to maintain proper sealing and filter performance.
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