Hayward Diaphragm Gasket, for EC40/EC50 | ECX1003 Handheld Pool Cleaners and protects coping and surrounding

and protects coping and surrounding decking from weather-related wear

Service technicians search for a ready-to-order kit to support pump parts replacement during rebuilds or servicing

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2 3/4 inch diameter

Hayward Diaphragm Gasket, for EC40/EC50 | ECX1003 Handheld Pool Cleaners and protects coping and surroundingWhat This Part Is Used For The Hayward ECX1003 Diaphragm Gasket is used in select Perflex EC40 and EC50 filters. It seals critical internal components to maintain proper pressure and filtration. Why This Part Matters A worn or flattened gasket can cause internal bypass and reduced filtration efficiency. Replacing it helps prevent leaks and restores proper system operation. Small sealing parts like this are often overlooked during rebuilds. Key