Description
Waterway 718-4320 Manifold Nut
The Waterway Manifold Nut is designed to securely fasten manifold connections in pool and spa systems, ensuring a leak-proof and stable fit. Made from durable, corrosion-resistant materials, this nut is engineered to withstand the harsh conditions of pool environments, including exposure to water and chemicals. Its precise threading ensures a tight, secure grip, preventing leaks and maintaining the overall integrity of the manifold system. This manifold nut is easy to install and is ideal for both residential and commercial applications.
To Waterway, its more than just about water, it’s about long term health and well being for your family. Established in 1987, this company is the longest existing and most experienced water filtration and purification company in South Australia. True industry experts, they are fully experienced in all aspects of water purification, filtration and treatment.
Waterway 718-4320 Manifold Nut Features:
- Fits Waterway Crystal Water Cartridge Filter Models 570-0425 (425 sq/ft) 570-0325 (325 sq/ft) 570-0525 (525 sq/ft) Filters
- Fits Waterway Crystal Water DE Filter Models 570-0048 (48 sq/ft) 570-0060 (60 sq/ft) 570-0036 (36 sq/ft) Filters
- Designed for secure fastening of manifold connections
- Made from durable, corrosion-resistant materials for long-lasting use
- Provides a leak-proof and stable fit to ensure system integrity
- Precision threading for a tight, secure grip
- Easy to install for residential and commercial pool and spa systems
Pool Warehouse
America's Favorite Pool Store, building backyard dreams since 1996!



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