Waterway Pump Union 1.5" x 1.5"SPG

The waterway hot tub pump union 400-4240 has threads referenced as 1.5" with an actual inside diameter is 2-7/16”. The plumbing connection features a 1.5” spigot end. The spigot end of this union is designed to fit inside a fitting referenced as a 1.5-inch slip with an actual inside diameter of 1-7/8”. It's important to note that in the pool and hot tub industry, plumbing dimensions are referred to as nominal sizes rather than actual sizes.

Details:

• Waterway P/N: 400-4240
• Brand: Waterway Plastics
• Threads: 1.5", (Actual ID 2-7/16")
• Connection: 1.5" Spigot
• Colour: White
• Material: PVC
• Includes O-ring

If it measures:

• 2-7/16" then you need a 1-1/2"
• 3-1/16" then you need a 2"
• 3-11/16" then you need a 2-1/2"