Jacuzzi Union [1-1/2" MPT x 1-1/2" Slip or 2" Spigot] (31-1500-06-R) calvertengineering A focused replacement like this

A focused replacement like this is especially useful when the surrounding assembly remains serviceable and the weakness is isolated to the plug itself

When the original heater begins to lose performance

Designed for 1-jet and blower layouts

Maintains original button positioning and function mapping

The gray finish keeps the visible portion of the part subtle and well matched to many interiors

Jacuzzi Union [1-1/2" MPT x 1-1/2" Slip or 2" Spigot] (31-1500-06-R) calvertengineering A focused replacement like thisA union helps simplify plumbing service by creating a connection point that is both secure and easier to separate when needed, and this Jacuzzi Union is designed for compatible applications using a 1 1 2 inch MPT connection on one side and a 1 1 2 inch slip or 2 inch spigot relationship on the other. When a transition fitting begins to fail, the plumbing path can feel less stable and less confidence inspiring than it should. The mixed connection