Waterway 45° Wye [1-1/2" Male Buttress Thread x 1" Slip x Union Low Profile] (400-3145)

Fittings & Valves: Unions
Waterway Plastics
400-3145
89-270-1540
COMPARE AT $17.74
OUR PRICE $9.93
STOCK STATUS IN STOCK Ships Usually the Same/Next Business Day
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TAGS: unions, waterway

Waterway 45° Wye [1-1/2" Male Buttress Thread x 1" Slip x Union Low Profile] (400-3145) is a Waterway Plastics union or union-related fitting designed for serviceable pool and spa plumbing connections. Union fittings make equipment maintenance easier by allowing components to be disconnected without cutting into the plumbing line.

This part is useful when replacing worn union hardware, refreshing pump or valve connections, or restoring a leak-prone equipment connection. Confirm thread style, pipe size, gasket needs, and part number before ordering to ensure the proper match.

  • Replacement Waterway union fitting component
  • Supports serviceable pump, valve, or equipment connections
  • Helps reduce the need for plumbing cuts during maintenance
  • Match thread, slip, and gasket details carefully
  • Compatible replacement identified by 400-3145
Waterway Plastics – Spa Jets, Pumps, Filters, Valves and Pool & Spa Components
Who is Waterway Plastics?

Waterway Plastics is a leading manufacturer of pool and spa components, known for durable construction and broad product compatibility. With decades of experience, Waterway provides essential parts used in both residential and commercial aquatic systems.

What products does Waterway Plastics specialize in?

Waterway Plastics specializes in spa jets, pumps, filters, valves, manifolds, and plumbing components. Their product lineup includes critical parts used in spa and pool systems for water circulation, filtration, and hydrotherapy performance. Waterway components are widely used in both OEM and replacement applications.

Why choose Waterway Plastics parts for your pool or spa?

Waterway Plastics products are known for reliability, compatibility, and long-lasting performance. Their components are engineered to withstand water pressure, chemical exposure, and continuous operation. Spa owners and professionals choose Waterway for dependable parts that maintain system performance and extend equipment life.

How do you identify and choose the correct Waterway Plastics part?

To select the correct Waterway component, it’s important to match specifications such as size, connection type, jet style, and system compatibility. Reviewing model numbers and part dimensions ensures proper fit and function. Choosing the right part helps maintain efficient operation and optimal spa performance.

Need help finding the right Waterway Plastics part?

At Bath & Spa Parts Online, we carry a wide selection of Waterway Plastics pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.

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