Pentair Gray Autofill Deck Ring | T16G FG3009 flat mating surface is essential

flat mating surface is essential for the new gasket to seat correctly and hold a lasting seal

Replacing with the correct internals restores the original gas flow geometry and heat performance to factory specification

It offers filtration and better water clarity

this is an ideal time to also replace the shaft seal (sold separately) to complete a full wet-end service in one visit

Pentair Gray Autofill Deck Ring | T16G FG3009 flat mating surface is essentialOEM Replacement Autofill Deck Ring for Pentair Pool Autofill Systems The Pentair Gray Autofill Deck Ring (T16G) is the OEM replacement deck ring for Pentair pool autofill units, finished in gray to match standard pool deck installations. What It Does The deck ring seats at the pool deck surface around the autofill housing, providing a finished surround that secures the unit in place and presents a clean, flush appearance at the deck level. Replacing a