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Garden Spas Plumbing Parts

Spa PVC is measured by nominal pipe size, not outside diameter — a “2 inch” fitting measures larger than 2 inches across, so measure before you order.
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✅ Not Sure It Fits? Verify Before Ordering

Hot tub part compatibility can vary by spa brand, model, year, serial number, control system, and part revision.

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

  • Your existing part label or sticker
  • Your spa serial number sticker
  • The equipment area or installation location (if accessible)

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

Measure Spa Plumbing the Right Way

The number on a spa fitting is its nominal pipe size, and the actual outside diameter is always bigger — the classic mistake is measuring across a pipe, reading “2-3/8 inch,” and ordering a part that doesn’t exist. Measure your pipe, note whether the connection is slip (glued, smooth socket) or barb (pushed into flex hose, often clamped), and photograph the fitting in place. Those three things identify nearly any plumbing part.

Garden Spas run flexible hose and rigid PVC through the cabinet, feeding jets through smaller barb lines — the Typhoon jet bodies, for example, take 3/4 inch and 3/8 inch smooth-barb connections. If your leak traces back to a jet body or a diverter rather than a pipe or fitting, the Jets and Valves & Diverters categories carry those parts.

Chasing a Leak

Cabinet leaks show themselves when the spa is running, not sitting — pressure-side leaks spray or weep under flow. Dry the area, run the spa, and follow the first drip with a flashlight. Photograph what you find before cutting anything out; the photo lets us match the repair fitting, and it’s a lot easier to identify a fitting that’s still installed.

Cabinet already open? Check the heater unions — the most common weep point in any spa — and if the repair means draining, restock filters and water care for the refill.

Confirm Your Garden Spas Model

Azalea | Camellia | Forsythia | Hibiscus | Hydrangea | Iris | Plume | Viola | Wisteria

How do I measure spa plumbing fittings?

By nominal pipe size, not outside diameter. Spa pipe’s actual OD is larger than its stated size — a 2 inch pipe measures roughly 2-3/8 inches across. Measure, note slip versus barb connection, and photograph the fitting in place; that’s everything needed to match it.

What’s the difference between slip and barb fittings?

Slip fittings have a smooth socket that glues onto rigid PVC. Barb fittings push inside flexible hose and grip with ridges, often backed by a clamp. Spas use both, sometimes on the same part — which is why a photo of the fitting beats a description every time.

Can I fix a spa plumbing leak without replacing the whole run?

Usually. Most cabinet leaks live at a joint — a fitting, union, or gasket — and repair couplings can rebuild a joint without re-plumbing the run. Photograph the leak point before cutting anything and we’ll spec the smallest repair that actually holds.

Where is my Garden Spa leaking from?

Run the spa and watch — pressure-side leaks only show under flow. The usual suspects, in order: heater unions, pump shaft seal, valve and fitting joints, then jet bodies. Dry everything, run it, follow the first drip, and send us the photo.

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