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Island Spas Water Manifold, 1-1/2 Inch Slip x 4 Port Slip

$29.99

Genuine OEM Island Spas water manifold, 1-1/2 inch slip x 4 port slip in the factory size and material.

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Genuine OEM four-port water manifold from the Island Spas plumbing set. A 1-1/2 inch slip inlet feeds four slip outlets, distributing water from a pump trunk line to a bank of jets.

Supported on Island Spas models fitted with this part. Island Spas configurations vary by model, model year and trim, so compare this against the part you are replacing before ordering.

✅ Not Sure It Fits? Verify Before Ordering

Island Spas parts vary by model, model year, trim and generation. Spas built during the 2025/2026 changeover may be current-generation or “Classic” carryover, so the model year alone does not settle it — match your spa pack label.

To help us identify the correct replacement, please send clear photos of:

  • Your existing part, including any label
  • Your spa serial number sticker
  • Your spa pack / control system label

EZ Hot Tub Parts can help confirm fitment before you order and help reduce costly returns.


Capping a port raises pressure at the remaining three. That is sometimes deliberate, but if you are replacing a manifold because jets felt weak, check for a blockage before you start capping ports.

This is the water manifold — large slip connections, plumbed off a pump. Air manifolds are the smaller barbed ones fed from an air control, and the two are not interchangeable.

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