Description
Waterway 1-1/2 Inch Pump Union 400-4510 – Hot Tub Spa O-Ring Gasket
Intro
Introducing the Waterway 1-1/2 Inch Pump Union 400-4510, a genuine replacement part built for hot tubs and spas. This 1-1/2" union nut pairs a 1-1/2" FPT tailpiece with an integrated O-ring gasket to deliver a reliable, leak-free seal between the pump and plumbing. From Waterway, a trusted name in spa hardware, this union is engineered to withstand heat, chlorinated water, and routine maintenance—keeping your spa circulating smoothly.
List of Features
- 1-1/2" union size aligns with standard spa plumbing for easy replacement.
- 1-1/2" FPT tailpiece provides a secure, threaded connection.
- O-ring gasket included for airtight, watertight sealing every time.
- Rugged plastic body resists heat, chemicals, and corrosion in spa environments.
- Pre-assembled design minimizes installation steps; just tighten and seal.
- Waterway-brand reliability: designed to fit Waterway pumps and connect with confidence.
Final Thoughts
This Waterway pump union delivers durable performance, simple service, and leak-free operation for hot tubs and spas. Ideal for replacing worn gaskets or damaged unions, it helps restore steady flow and efficiency. Ready to restore your spa’s reliability? Add this Waterway union to your cart and complete a quick, confident installation.













