The part number 400-9230 refers to a standard Waterway Plastics pump union assembly.
It is a widely used, generic component found in numerous hot tub brands that use Waterway pumps or plumbing systems.
Hot Tub Manufacturers Using This Part
The Waterway 400-9230 union is an "off-the-shelf" component used by various spa manufacturers because they source their pumps and plumbing parts from Waterway.
Artesian Spas: This manufacturer is known to use various Waterway components in their spas.
Emerald Spas / Great Lakes Spas: These brands frequently incorporate standard Waterway plumbing parts and pumps.
Jacuzzi: This specific union fits certain Jacuzzi J-Series pumps. Note that Jacuzzi also has some proprietary parts, so compatibility depends on the specific pump model.
Master Spas: Known to use components from major suppliers like Waterway.
QCA Spas: Utilizes a variety of generic control and plumbing components, including this union.
Strong Spas: Often incorporates these types of standardized fittings.
Viking Spas: Often uses systems that incorporate Waterway components.
Part Details
Manufacturer:Waterway Plastics.
Function: Connects the pump to the spa's plumbing system.
Connections:
Pump side: 2" Female Buttress Thread (FBT) which fits pumps with approximately 3.1" outside diameter threads.
Pipe side: 1.5" Slip (S) for 1.5" inner diameter PVC pipe, or 2" Spigot (Spg) which fits inside 2" inner diameter pipe/hose.
Included: The assembly includes the union nut, the tailpiece, and an O-ring.
This part is designed to adapt a modern 2" pump to a plumbing system using 1.5" PVC pipes.
