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2.5" Heater Union Gasket (711-6020) (With Rib)


2.5" Heater Union Gasket (711-6020) (With Rib) for Hot Tubs

2.5" Union Gasket with Ribbed O-ring

Size : 2.5" ID x 3.5" OD.

Used in both side of, some of the 3” heater tube. Flat side towards the heater tube and embedded O-ring on other side towards 2.5” heater buttress.

Can be replaced with Waterway 2.5" Pump Union O-ring in suction side of the pump.