Waterway 2" heater union tailpiece with 1.5" F exit

This 2-inch union socket is compatible with the vast majority of Balboa hot tub heaters found in Europe, as well as many spa heaters of other brands. It connects to a 1.5-inch pipe.

This part is joined to the heater using a split nut and a gasket.

Dimensions
Outside diameter of the thread: 78 mm or 2-inch MBT
Inside diameter of the socket: 48 mm

Part numbers
Waterway: 417-2090