Plumbing Pipes, Hoses & Fittings

Spa & Pool Plumbing Pipes, Hoses, Manifolds and Fittings

To assist in pipe sizes, the following list provides the physical measurements to identify the correct pipe size.

These measurements are of the EXTERNAL diameter of the pipe or hose (and spigot fittings, or internal diameter of socket fittings):

1/2" / 15mm            -  21.4mm               
3/4" / 20mm            -  26.8mm
1" / 25mm                 -  33.5mm
1.5" / 40mm             -  48.4mm
2" / 50mm                 -  60.5mm
2.5" (not 65mm)       -  73mm

These measurements are of the INTERNAL diameter of TUBING only:

3/8" / 9mm               -  9mm
3/4" / 19mm             -  19mm

External diameter of the barb fittings used with tubing is generally slightly larger than the bore of the tubing to ensure a tight fit.



Waterway 2.5" 90 degree sweep elbow 2.5"S x 2.5"Spg

SKU: ww411-9140

Waterway 2.5" sweep elbow - socket x spigot. Suitable for suction fittings, pump connections, etc to maximise flow ...

13 In Stock

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Waterway 2.5" Spigot x 2" Socket 90 Ell Vacuum Suction Adaptor Fitting

SKU: ww642-3700v

Waterway 2" socket x 2.5" spigot 90 degree elbow suction adaptor with 3/4" barb for vacuum relief tube connection. Vacuum relief offers greater flow rating and safety for suction fittings....

8 In Stock

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Waterway 2.5" Spigot x 2" Socket reducing adaptor

SKU: ww642-3680

Waterway 2.5" spigot x 2" / 50mm socket reducing adaptor - can be used with 2.5" Waterway suctions to reduce to 2" plumbing. Also used with 2.5" Waterway Wye when splitting multiple suctions on swim systems...

6 In Stock

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Waterway 3/4" 100% shut off Valve Gate

SKU: ww602-0420

Waterway 3/4" Valve internal control valve gate - suits 100% shut off waterfall/neck jet valves only Suits the following Waterway 3/4" 180 degree shut off valves only: 600-47xx 600-319x 600-321x 600-3...

9 In Stock

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Waterway 3/4" Barb 4 Port x 1"S In-line Manifold

SKU: ww672-4410

4 x 3/4" smooth barbs in parallel on one end. 1"/25mm socket on the other end...

8 In Stock

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Waterway 3/4" Barb plug - Smart Plumb

SKU: ww715-0040

3/4" / 19mm 'smart plumb' barb plug 14.3mm OD plug ...

38 In Stock

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Waterway 3/4" Manifold Barb Plug

SKU: ww715-9860

Universal Waterway 3/4" barb plug - suits smooth shur-grip barbs and ribbed barb manifolds. 13.3mm OD and 15.0mm OD stepped plug ...

2 In Stock

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Waterway 3/4" NPT threaded drain valve cap & gasket

SKU: ww519-0231-K

Waterway 3/4" USA NPT threaded drain valve cap - suits all USA made drains from various brands which use the same special thread. ...

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Waterway 3/4" RB x 6 Port 3/8" smooth barb manifold

SKU: ww672-6970

Waterway inline 3/4" barbs ends x 3/8" barbed x 6 ports. Comes with plug for one end, can be cut for either 2, 4 or 6 port. Perfect for compact installations - ideally suited to spa bath cvt plumbing system...

28 In Stock

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Waterway 3/4" S Drain/Fill Hose Connector

SKU: ww600-9101

Spa cabinet mount Black Drain valve assembly - suits 3/4" pipe or barb adaptor To operate (see pdf/pics) , pull the inner cap handle outwards and unscrew. Thread hose adaptor onto the smaller thread and co...

10 In Stock

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Waterway 3/8" 1"spg x 4 Port

SKU: ww672-4030

...

1 In Stock

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Waterway 3/8" barb manifold 1" x 12 port

SKU: ww672-0410

Waterway 12 port manifold 12 x 3/8" / 9mm barbs 1" / 25mm spigot x socket ends Overall length 180mm ...

24 In Stock

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Waterway 3/8" Barb Manifold 1.5" x 10 port

SKU: ww672-4660

3/8" x 10 Port air system manifold with 1.5"S x 1.5" Spg pipe connections ...

96 In Stock

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Waterway 3/8" barb manifold 1.5" x 16 port

SKU: ww672-0420

3/8" x 16 Port air system manifold with 1.5"S x 1.5" Spg pipe connections ...

10 In Stock

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Waterway 3/8" Barb x 1/4" Barb Reducing Coupling

SKU: ww425-4020

Barbed reducing coupling 3/8" to 1/4". Commonly used with ozone systems utilising 1/4" tubing / fittings to connect to either jet jenturi systems or Waterway Venturi Injectors and others. ...

32 In Stock

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Waterway 3/8"barb x 4 Port 1.5" Spigot Dead End Manifold

SKU: ww672-4610

Waterway 3/8" barb x 4 ports manifold with 1.5" spigot x dead end. Can be coupled to 10 and 16 port manifolds. ...

11 In Stock

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Waterway 4 port 3/8" barbed manifold 1"S x 1"Spg

SKU: ww672-0400

Waterway 4 port 3/8" / 9mm barb manifold. 1" / 25mm socket x 1" spigot for easy coupling to additional manifold sections ...

169 In Stock

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Waterway 8 port 3/8" barb manifold - 1" sockets

SKU: ww672-5070

...

4 In Stock

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Waterway Air Spring Check Valve 1.5" sockets 1/4lb spring

SKU: ww600-8140

High quality, positive seal spring check valve designed for spa air blower loops 40mm Sockets both ends ...

2 In Stock

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Waterway All-In-One Air Blower Check and Drain Valve

SKU: ww600-2900NB

The best all-in-one air blower protection check valve available! Waterway 1.5" / 40mm air blower check valve assembly with built in drain valve. Install horizontally in the air blower loop plumbing If w...

40 In Stock

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Waterway Drain/Fill Valve 3/4" barb

SKU: ww400-2100

Waterway Drain/Fill valve assembly with 3/4" barb - suits 3/4"clear vinyl tubing USA thread - requires special quick connect adaptor if connecting to a garden hose. For fast draining the centre green section...

5 In Stock

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Waterway dual 3/8" barb x 1/2" Spg adaptor

SKU: ww425-0200

Waterway 1/2" / 15mm Spigot x two 3/8" / 9mm barb adaptor - can be used with any air venturi control or fitting with 1/2" / 15mm socket....

5 In Stock

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Waterway Lo-Pro Spa Floor Drain - Grey

SKU: ww640-4347

Waterway Lo-Pro drain fitting - 3/4" socket - side entry - low profile design Cannot be used as a suction fitting for pumps ...

7 In Stock

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