O-ring for Dome Hole Plug Pentair Structural Tanks Only - ST21774

Your Price: $3.00

O-ring used on newer Pentair / Strural Dome Home Tank version only.
Is not a direct replacement for older tanks or other "Brands" of Dome Hole tanks.
Only order if you are sure this is the one you need.

Part Number: ST21774-323

Availability: Currently Out of Stock

Description

O-ring used on newer Pentair / Strural Dome Home Tank version only.

standard size O-ring : AS568-323

CS nominal : 3/16

ID Nominal : 1 5/16

OD Nominal : 1 11/16

Is not a direct replacement for older tanks or other "Brands" of Dome Hole tanks.
Only order if you are sure this is the one you need.

OLDER Dome Hole Plug ( caps ) use N1024 which is 1/8" larger in Diameter ( I.D. and O.D. ).

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O-ring for Dome Hole Plug Pentair Structural Tanks Only - ST21774

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