Waterway 2" flanged heater gasket

This gasket fits heaters used in Waterway NEO control systems, including the 2100 model. It has a smooth face on one side and a ribbed face on the other. It fits perfectly with the brand's 2" split nut.

If your hot tub heater is leaking at the unions, chances are you need to replace these gaskets.

Dimensions
Inside diameter: 53 mm
Outside diameter: 75 mm
Thickness: 5 mm

Part numbers
Waterway : 711-4030, 711-4031