Hayward Diaphragm Gasket, for EC40/EC50 | ECX1003 Handheld Pool Cleaners It supports steady pool circulation

It supports steady pool circulation and clarity

2 3/4 inch diameter

this kit is installed as part of the fireplace gas system to switch from propane to natural gas

Identified by the HD81NT-1 model designation

making it a perfect addition to your backyard fire pit setup

Hayward Diaphragm Gasket, for EC40/EC50 | ECX1003 Handheld Pool Cleaners It supports steady pool circulationWhat 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