Waterway Plastics 672-4030 Barb Manifold - 1 inch Spigot with Four3/8 inch Barbs

What This Part Is Used For
The Waterway Plastics 672-4010 Barb Manifold is a distribution fitting used in spa and pool plumbing systems. It allows a single 1 inch water feed to be split into two smaller 3/8 inch lines. This configuration is commonly used to supply air or water to multiple jets or auxiliary components. It is typically installed inside spa cabinets or equipment bays.

Why This Part Matters
Manifolds control how water or air is distributed throughout a system. Cracked or undersized manifolds can cause uneven jet performance or flow loss. Using the correct OEM manifold ensures consistent delivery to downstream components. Improper substitutions can result in leaks or restricted flow.

Key Features and Specifications

• Manufacturer SKU 672-4010
• Barb-style plumbing manifold
• 1 inch spigot inlet
• Two 3/8 inch barb outlets
• Used for flow distribution
• Compatible with flexible tubing
• OEM Waterway Plastics part

Installation and Fitment Guidance
This manifold is solvent-welded on the spigot end and secured with tubing on the barb outlets. Proper hose clamps are recommended on all barb connections. It is installed in accessible plumbing runs. Confirm by manufacturer part number before ordering.

About the Waterway Plastics Brand
Waterway Plastics produces plumbing components used in spa and pool circulation systems worldwide. Their manifolds are engineered for consistent flow and secure connections. OEM parts ensure compatibility with Waterway jet and air systems. Builders rely on Waterway for dependable system layout.

Common Service Context
This part is typically replaced when diagnosing uneven jet output. Technicians recognize it during cabinet inspections. It is often replaced due to age-related cracking.