Spa / Hot Tub Suction & Skimmer Fittings

Spa suction fittings used in spa pools and spa baths.
Many suction fittings no longer comply with the current standards requiring specific testing and flow rates to be listed. If you don't see your suction fitting here, this is the likely reason.

For new installations and re-plumbs, the use of approved suctions of the correct flow rate is required. 
A pump MUST have a minimum of 2 suction points (or 1 suction and skimmer) each suction having a flow rating equivalent or greater than the pump flow rate. ie combined flow rating of 2 suctions shall be at least double the pumps maximum flow rate.
Some suctions have differing flow ratings depending on installation method and components used.
This category will be undergoing continual change as more suctions become approved.
You must check you pump flow rate requirements when determining the correct suction type required. 
Incorrect pump/suction matching may lead to injury or death. 

Any doubts, please contact us before purchasing suction fittings or use a qualified spa technician. 

See further information below :

• A minimum of two functioning suction outlets per pump must be installed. Suction outlets must be installed a minimum of 600mm apart, as measured from suction pipe center to suction pipe center. 
• Dual suction fittings shall be placed in such locations and distances to avoid "dual blockage" by a user. 
• Dual suction fittings shall not be located on seating areas or on the backrest for such seating areas. 
• The maximum system flow rate shall not exceed the flow rating of any listed suction outlet cover installed. In the event of one suction outlet being completely blocked, the remaining suction outlets serving the system shall have a flow rating capable of the full flow of the pump(s). 
• Never use pool or spa if any suction outlet component is damaged, broken, cracked, missing, or not securely attached. 
•Replace damaged, broken, cracked, missing, or not securely attached suction outlet components immediately. 
•Two or more suction outlets per pump should be installed in accordance with latest standards.

Some suction fittings are available with vacuum break fittings allowing higher flow ratings - this is due to the vacuum break plumbing which, once the suction becomes blocked, will suck air from the vacuum break line / vent into the suction plumbing causing the pump to cavitate and lose suction, thus allowing a trapped person to be freed.

See our pump flow rate information page to help determine suction outlet flow requirements here

Waterway Suction Installation Instruction Sheets listed in below links for download:

Hi-Flo SPC-2v WITHOUT vacuum break fittings
Hi-Flo SPC-2v with vacuum break fittings
Super Hi-Flo SPC-3v WITHOUT vacuum break fittings
Super Hi-Flo SPC-3v with vacuum break fittings
Ultra Hi-Flo suction
Super Ultra Hi-Flo suction for self contained portable spas
Super Ultra Hi-Flo suction for other installations 
Ultra Strip Drain / Suction 

Please ensure you download an install sheet if purchasing and installing a Waterway suction fitting.



Waterway 5" Super Ultra Hi-Flo Suction 2.5" Socket 848 lpm up to 999 lpm

SKU: ww640-3937vp

Waterway 5" super ultra hi-flo suction fitting with 2.5" / 65mm socket for plumbing connection. Rated to a MASSIVE 999 lpm for applications where installed in portable spas or swim spas. Perfect for swimjet ...

2 In Stock

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Waterway 6" Ultra Suction 1.5" / 40mm Slip Fit 291 lpm

SKU: ww640-8270v

Waterway 6" Ultra Suction - white, black, or beige - self aligning slip fit design to push inside Australian 40mm pressure pipe. Screw supplied to secure to the wall. Wall mounted only - flow rated at 291 l...

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Waterway 6" Ultra Suction 2" / 50mm Slip Fit 515 lpm

SKU: ww640-8280v

Waterway 6" Ultra Suction - white, black or beige - self aligning slip fit design to glue inside Australian 50mm pressure pipe. stainless screw included to secure to the wall. Wall mounted only - high flow ...

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Waterway Front Access Spa / Pool Skimmer - Grey

SKU: ww510-1507

Waterway Weir skimmer for use in fibreglass and concrete spas and pools. Hole size required - 150mm wide x 130mm high. Face dimensions - 195mm wide x 185mm high Supplied with mounting screws or you can bo...

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Waterway front Access Spa / Pool Skimmer - white

SKU: ww510-1500

Waterway Weir skimmer for use in fibreglass and concrete spas and pools. Hole size required - 150mm wide x 130mm high. Face dimensions - 195mm wide x 185mm high Supplied with mounting screws or you can bo...

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Waterway front Access Spa / Pool Skimmer - white with 304 Stainless Steel Fascia

SKU: ww510-1500916-1010

Waterway Weir skimmer with 304 stainless steel fascia - for use in fibreglass and concrete spas and pools. Hole size required - 150mm wide x 130mm high. Face dimensions - 195mm wide x 185mm high Suppli...

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Waterway Hi Flo Suction Fitting with 1.5" 90 Ell Vacuum Break 348 lpm

SKU: ww640-3487v

Waterway Hi Flo suction fitting with 1.5" 90 ell and integral vacuum break. The vacuum break MUST be correctly installed and active to achieve the specified 348 lpm flow rating. Flow rate WITHOUT the vac bre...

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Waterway Plastics 3.5" Hi Flo Suction 1.5" S - 484 lpm rated - Grey

SKU: ww640-3257v

Grey Waterway spa suction This suction has a 484 litres per minute flow rating. 95mm cover diameter, projection into spa of 27mm. Hole size required through spa is 60mm 1.5" / 40mm socket for plumbing...

80 In Stock

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Waterway Plastics 3.5" Hi Flo Suction 1.5" S - 484 lpm rated - White

SKU: ww640-3250v

This suction has a 484 litres per minute flow rating. 95mm cover diameter, projection into spa of 27mm. Hole size required through spa is 60mm 1.5" / 40mm socket for plumbing connection ...

73 In Stock

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Waterway Plastics 3.5" Hi Flo Suction 2" S Elbow - 484 lpm rated - White

SKU: ww640-3250v-k

This suction has a 484 litres per minute flow rating. 95mm cover diameter, projection into spa of 27mm. Hole size required through spa is 60mm 2" / 50mm socket elbow for plumbing connection ...

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Waterway Plastics Extended Thread 3.5" Hi Flo Suction 1.5" S Elbow for Timber Hot Tubs - 484 lpm rated - Grey

SKU: ww640-3257v-15-Tub

Suits up to 50mm wall/stave thickness This suction has a 484 litres per minute flow rating. 95mm cover diameter, projection into spa of 27mm. Hole size required through spa is 60mm 1.5" / 40mm socket el...

20 In Stock

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Waterway Plastics Extended Thread 3.5" Hi Flo Suction 1.5" S Elbow for Timber Hot Tubs - 484 lpm rated - White

SKU: ww640-3250v-15-Tub

Suits up to 50mm wall/stave thickness This suction has a 484 litres per minute flow rating. 95mm cover diameter, projection into spa of 27mm. Hole size required through spa is 60mm 1.5" / 40mm socket el...

47 In Stock

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Waterway Plastics SPC-3 VP 5" Super Hi Flo Suction 2" S - 950 lpm rated - Grey

SKU: ww640-3787v

This suction has a huge 950 litres per minute flow rating. 130mm cover diameter, projection into spa of 37mm. Hole size required through spa is 84mm 2" / 50mm socket for plumbing connection ...

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Waterway Safety Suction Cover Screw - SS - #6 x 5/8"

SKU: ww819-1251

Stainless steel safety suction screw for some Waterway safety suction covers Approx 15mm long overall Thread approx 12mm long, phillips head. #6 x 5/8" ...

87 In Stock

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Waterway Suction Vacuum Vent Fitting

SKU: ww640-3757v

Waterway suction vacuum vent fitting with 4 x 3/4" barbs to suit up to 4 tubes for interconnection to spa safety suctions with vacuum break requirements usually due to needing higher flow rates. Usually des...

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