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Waterway 2" UNION ASSY. W/O-RING RIB GASKET 2"S 400-5670
Waterway 2" UNION ASSY. W/O-RING RIB GASKET 2"S 400-5670
A durable and reliable pump union with a secure O-Ring Gasket for seamless connections.
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The Waterway 400-5670 2″FBTx2″S Pump Union with Gasket is a durable and reliable fitting designed for seamless pump connections.
It features a 2″ Buttress thread on the Union Nut and a 2″ Slip Tailpiece with an O-Ring Gasket for a secure fit.
Perfect for select Waterway Filters and Pumps, this union ensures long-term performance and ease of installation.
Backed by Waterway’s 30+ years of expertise in water filtration, this product guarantees quality and reliability for your family’s water needs.

⭐⭐⭐⭐⭐
Customers praise the Waterway 400-5670 Pump Union for its sturdy construction and perfect fit for Waterway pumps.
Many highlight the ease of installation and the secure connection provided by the O-Ring Gasket.
Reviewers appreciate the product’s durability and its ability to withstand high-pressure applications.
The union’s compatibility with various Waterway systems makes it a versatile choice for users.

- 2″ Buttress Thread Union Nut ensures a secure and leak-proof connection.
- 2″ Slip Tailpiece simplifies installation with a slip-fit design.
- O-Ring Gasket provides a tight seal for high-pressure applications.
- Compatibility fits select Waterway Filters and Pumps.

- Each Product Weight: 0.3502 pound
- Shipping Dimensions: 1 inch x 1 x 1
- Includes: 2-Inch S Tailpiece and O-Ring with Gasket
- Master Carton Quantity: 125
- Minimum Sell Quantity: 1
- Channel: OEM
- UPC Code: 806105082053

Q: Is this union compatible with all Waterway pumps?
A: It fits select Waterway Filters and Pumps; check your manual for compatibility.
Q: What is the actual size of the Buttress thread?
A: The 2″ Buttress thread measures almost 3″ in diameter.
Q: Does the product include installation instructions?
A: No, but the slip-fit design makes installation straightforward.



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Waterway is a trusted name in pool and spa equipment, offering dependable pumps, filters, jets, and plumbing components engineered for lasting performance. Whether you're building new or replacing parts, Waterway products are designed to keep your system running efficiently. At AquaDoc, we stock a wide selection of Waterway pool and spa supplies to support smooth operation and easy maintenance.
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