Waterway 1-1/2" Split Nut Union Buttress Long Assembly – Black

Part #: 400-5461 | Durable Replacement Union Nut for Pools & Spas

The Waterway 400-5461 1-1/2" Split Nut Union Buttress Long Assembly is a high-quality, industry-standard replacement for joining and securing 1-1/2" plumbing connections in pool and spa systems. Its split nut design allows for easy installation and removal without cutting pipes, making maintenance and repairs quick and convenient.

• ⚙️ Designed for 1-1/2" Plumbing – Perfect fit for Waterway and compatible union assemblies
• 🛡️ Durable Construction – Made from tough, corrosion-resistant materials for reliable, long-lasting service
• 🔄 Easy Replacement – Split nut design enables hassle-free installation or replacement without disconnecting plumbing lines
• 🧰 Universal Compatibility – Fits most Waterway 1-1/2" union assemblies and can also replace similar buttress-style split nuts from other brands
• ⚫ Sleek Black Finish – Blends with most pool and spa equipment and resists UV and chemical exposure

Installation Instructions:

1. Ensure all plumbing surfaces and O-rings are clean and free from debris.
2. Place the split nut around the union body and align the threads.
3. Hand-tighten until snug. Do not overtighten to avoid damaging threads.
4. Check assembly for leaks after pressurizing the system.

Replaces:

• Waterway 400-5461 Long Buttress Split Nut
• May also replace similar 1-1/2" split union nuts from Pentair, Hayward, and CMP (verify fitment before purchase)

Specifications:

• Size: 1-1/2" buttress thread
• Color: Black
• Material: High-strength, chemical-resistant plastic
• Length: Long assembly version

🛠️ Tip: Always inspect O-rings and gaskets when replacing union nuts to ensure a proper seal and leak-free operation.

Waterway is a trusted leader in pool and spa components, known for quality, performance, and reliable fit. Upgrade or repair your system with the 400-5461 Split Nut Union and enjoy peace of mind with every connection.