2" heater union tailpiece with 1" M or 3/4" 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 by other brands. It connects to either:

• male connection to a 1-inch pipe by adding a 1-inch female fitting
• female connection to a 3/4-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
Outside diameter of the output: 33 mm
Inside diameter of the output: 27 mm

Part numbers
Waterway: 417-5180