Waterway 415-6010 Union Threaded Adapter/Reducer, 2.5 x 2", 2"FBT x 2-1/2"MBT, W/O O-Ring

The Waterway 415-6010 Union Threaded Adapter/Reducer is a premium plumbing fitting designed for swimming pool and spa systems. This adapter allows you to connect 2 inch female buttress thread (FBT) unions to 2.5 inch male buttress thread (MBT) unions, offering a reliable solution for adapting different pipe sizes in filtration, heater, or pump connections.

• Compatible with most Waterway union fittings and equipment using 2" FBT and 2.5" MBT connections
• Durable high-quality plastic construction for corrosion resistance and long service life
• Easy to install – simply thread into place to convert between union sizes
• Does not include O-Ring (use original or order Waterway replacement O-Ring if needed)
• Alternate Part Number: 89-270-1453

Typical Uses:

• Adapting plumbing for pumps, heaters, filters, or chlorinators
• Retrofit or repair where equipment port sizes differ
• Compatible with most standard pool and spa PVC plumbing

Installation Tips:

• Hand-tighten for a secure fit; avoid overtightening
• Use appropriate thread sealant for leak prevention
• Verify O-Ring presence for a watertight seal

Need help finding the right adapter or union? Our pool experts are here to assist you! 🛠️