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.



Air tubing 1/8" / 3mm OD - per metre

SKU: ed-63-SPA0201o

Rigid micro-bore airtubing for installation between airbutton and airswitch. 3mm outside diameter, also supplied with 2 x 3mm ID couplers to suit button and switch at both ends of the tubing Very small b...

210 In Stock

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Balboa 1.5" / 40mm 2 Port Crescent 100% Posi-seal On/Off Valve - Charcoal / SS

SKU: b18-4038COALG

Balboa / Hydroair 1.5" / 40mm 2 port 100% posi-seal on/off isolation valve - Charcoal with stainless steel cap Commonly used on Signature Spas 67mm diamter cap, 76mm wide handle 52mm diameter hole r...

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Balboa 2" / 50mm 3 Port Crescent Diverter Valve - Charcoal / SS

SKU: b18-4093COALG

Balboa / Hydroair 2" / 50mm 3 port diverter valve - Charcoal with stainless steel cap Commonly used on Signature Spas Hole size required - 80mm Cap handle width - 105mm Square shaft size - 12.0mm ...

3 In Stock

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Balboa 2" diverter handle

SKU: b943593ww

Balboa 2" diverter handle - Sapphire 115mm across furthest point Suits 'Star' shaped spline ...

2 In Stock

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Balboa Water Group Top Access 2" Sapphire Diverter - Grey

SKU: b2414011943593ww

Balboa 3 way diverter valve 2" three way diverter valve to control water flow to spa jet regions/manifolds within the spa from the one pump. 2" / 50mm socket connections. 76mm hole size required. Ca...

2 In Stock

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CMP 1" On/Off Valve - Classic Grey

SKU: cmp25030-009

Used for neck/shoulder jet control and waterfalls, as well as other applications - particularly suited to controlling outlets above water level where complete shut off is NOT desired to maintain flow of sani...

86 In Stock

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CMP 1" On/Off Valve - Halo Graphite Grey / SS

SKU: cmp25056-112-400

Used for neck/shoulder jet control and waterfalls, as well as other applications - particularly suited to controlling outlets above water level where complete shut off is NOT desired to maintain flow of sani...

9 In Stock

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CMP 2" Diverter Valve - 5 Scallop - Grey

SKU: cmp25048-001

CMP 2" diverter valve - very similar design and appearance to Waterway Plastics and Hydroair, however they are NOT cross compatable. The cap thread is different and the square shaft is smaller - 11mm square....

12 In Stock

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CMP 2" Diverter Valve - Crown Top - Stainless Steel / Silver

SKU: cmp25048-822-80025048-089

CMP 2" diverter valve used on Sapphire Spas with a graphite wall fitting - square shaft is 11mm square. Can be used as a complete valve replacement. 86mm hole diameter required in spa shell ...

3 In Stock

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CMP 2" Diverter Valve - S-Handle Top - Graphite Grey / Silver

SKU: cmp25043-107

CMP 2" diverter valve with 'S' handle top handle design - square shaft is 11mm square. Can be used as a complete valve replacement. Fits 80mm diameter hole in spa shell ...

3 In Stock

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CMP 2" Diverter Valve Threaded Cap - Stainless Steel

SKU: cmp25048-457-201

CMP 2" diverter valve threaded cap - stainless steel / graphite grey 'V' thread to suit CMP 2" diverter valves. 93mm OD Approx 72mm 'V' thread diameter ...

19 In Stock

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CMP 2" Diverter Valve - Halo Graphite Grey / SS

SKU: cmp25058-102-400

2" CMP diverter valve - Halo design, graphite grey / SS ...

5 In Stock

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CMP 3 way valve 2"S

SKU: cmp25913-204-000

CMP 3 way positive seal valve 2" socket. Locking handle to prevent accidentaladjustments. Can be used with Intermatic PE24VA valve actuator when used with pool / spa automation systems. ...

4 In Stock

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CMP Air Blower Spring Check Valve w/replaceable valve insert - 1/4 lb

SKU: cmp25069-000

1.5" (40mm) sockets. Unionised with replaceable inner check valve. ...

20 In Stock

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CMP Barb Manifold Plug

SKU: cmp21025-000-001

Glue this plug into any unused port on a CMP branded barb manifold (this plug is not likely to suit alternate brand manifolds) Slips inside a manifold barb with an internal diameter of 13.3mm - please che...

413 In Stock

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Edgetec 2 port 19mm Barb manifold 25mm S x 25mm Spg

SKU: e3228

2 port 19mm barb manifold inline, 25mm main line - designed for use on spa bath applications ...

6 In Stock

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Edgetec 2 port 19mm Side by Side Barb manifold 25mm Socket x 25mm Spigot

SKU: e3230

2 port 19mm barb manifold - side by side, 25mm main line 1" / 25mm spigot x socket ...

13 In Stock

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Edgetec 25mm 45 degree Wye fitting

SKU: e3245

Edgetec 45 degree wye fitting, 25mm sockets. used for spa bath plumbing ...

21 In Stock

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Edgetec 3/4" B x 25mm Spigot 30 degree angled barb adaptor

SKU: e3255

3/4" barb x 1" spigot adaptor - approx 30 degree angled - commonly used with water or air systems ...

12 In Stock

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Edgetec 3/4" Barb Plug - Suits GG Industries & Edgetec Manifolds

SKU: e4048

15.1mm OD plug ...

9 In Stock

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Edgetec 3/4" x 2" Spg Barb Adaptor

SKU: pf190150

Edgetec 3/4" ribbed barb x 2" spigot adaptor ...

23 In Stock

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