Balboa / Pentair Cyclone Body
Balboa / Pentair Cyclone Body is temporarily out of stock and will ship as soon as it's available.
Don't Guess - Ask Us!
Don't Guess - Ask Us!
Not sure if it’s the right part? Send us a message and a photo of what you’re replacing, or what you need, and we’ll help make sure you get the right part the first time.
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Balboa / Pentair Cyclone Body
Balboa / Pentair Cyclone Body is temporarily out of stock and will ship as soon as it's available.
Balboa / Pentair Cyclone Body
Genuine Balboa / Pentair (Pac Fab) Cyclone jet body. Includes the jet body, compensation ring and lock nut. Suits Balboa / Pentair Cyclone 125-127mm jets, often found in Monarch spas and others from the 1990s to early 2000s.
- Physically Stocked, unlike most "drop-shipping" websites.
- Shipped from VIC, NSW, WA, QLD
Specifications
- Suits: Balboa / Pentair Cyclone jets, 125-127mm face
- Hole size required: 95mm
- Water inlet: 3/4" barb
- Air inlet: 3/8" barb
- Includes: Jet body, compensation ring and lock nut
Balboa / Pentair Cyclone jets that suit this body are listed here.
The Face-Size Rule (rev. JET-1.0)
Balboa / Pentair Cyclone jets come in three sizes that do not swap between each other. Identify yours before ordering:
- Measure the face. Measure straight across the outside face of the jet you are replacing, not the hole in the spa shell.
- Match the face to the range. About 75mm, or about 85mm on large face versions, is Micro Cyclone. About 90mm, or about 108mm on large face versions, is Luxury Cyclone. About 125-127mm is Cyclone.
- Pick the nozzle style. Directional is a fixed, aimable nozzle. Roto or Roto Swirl spins. Twin Roto Pulse, Dual Pulse and Twin Spin use twin rotating nozzles for a pulsing massage.
- Rule out lookalikes. Hurricane jets used in Spa Industries built spas look similar at 125mm but are a different range. If you are unsure, send us a photo of the face and the back of the jet.
Before You Order
- A jet body is glued into the spa plumbing behind the shell. Replacing it is a plumbing job, not a simple swap like a jet internal
- Confirm the jet range using the face size of the jet that sits in this body
- If you are unsure, contact us with photos of the jet, the body from behind the shell and the spa brand and model
As with all products, this must be diagnosed and fitted by a qualified and experienced person.
Frequently Asked Questions
Which jets suit this body?
Balboa / Pentair Cyclone jets. Identify the range using the face size of the jet that fits into it.
Do I need to replace the body if my jet is broken?
Usually not. Most faults are in the jet internal, which unscrews from the body. Replace the body only if it is cracked or leaking.
Is this the same as a Pentair jet body?
Pentair spa jets are now manufactured by Balboa. This is the same jet, now supplied under the Balboa brand.
What hole size does it need?
A 95mm hole in the spa shell.
Common search terms: Balboa / Pentair Cyclone Body, Pentair Cyclone jet body, Balboa Cyclone jet body, Cyclone jet housing, WWDG SpaPro.
Note: Pentair spa jets are now manufactured by Balboa. This is the same jet, now supplied under the Balboa brand.
To the layperson, plumbing sizes and their names can be confusing due to the nominal sizes and naming conventions used.
This is not something we made up. Plumbers and manufacturers have used nominal (meaning ‘by name only’) sizing for decades.
Simply put, in plumbing, named sizes are often not the actual measurements of the pipe, fitting, or part. A PVC pipe called “50mm” or “2"” does not measure 50 mm anywhere. Instead, it follows nominal sizing, an internationally-standardised naming system.
Almost all fittings we use in the pool & spa industry use “pressure PVC” pipe & fittings. Do not confuse with “DWV” or other pipe & fittings and their names and sizes.
Use the Outside Diameter (OD) to check your pipe against fittings. Below is a quick reference for common spa & pool pipe sizes:
| Imperial Name | Metric Name | Pipe Diameter (OD) |
|---|---|---|
| 1/2" | 15mm | ~21.2–21.5 mm |
| 3/4" | 20mm | ~26.6–26.9 mm |
| 1" | 25 mm | ~33.4–33.7 mm |
| 1.5" | 40 mm | ~48.1–48.4 mm |
| 2" | 50 mm | ~60.2–60.8 mm |
| 2.5" | 65 mm | ~75.2–75.5 mm |
To reiterate, these are nominal sizes and are designed to fit matching fittings — not to measure what their name suggests. These are based on PVC Pressure Pipe AS/NZ 1477 Dimensions1.
- º Internal diameters vary slightly by manufacturer and class.
- 1 Not all pool/spa fittings match these dimensions exactly. Some do not follow Australian or international standards. Chinese spas may use proprietary fittings.
Understanding Plumbing Sizes & Nominal Measurements
Plumbing sizes can be confusing. PVC and many other pipe systems use nominal sizes—the size is a name, not the exact measured dimension. This convention is used across most pool and spa systems and other plumbing areas so that pipes and fittings remain compatible.
Why pipe sizes don’t match the measurements
The Nominal Pipe Size (NPS) system standardises pipe dimensions so that pipes, fittings, valves, and accessories interoperate.
Plumbers work with these nominal names every day, but DIYers can be tripped up if they try to match by a tape-measure alone.
How to Measure Pipe Correctly
-
Pipe size is identified by:
- The pipe’s Outside Diameter (OD).
- The fitting’s Inside Diameter (ID) (socket opening).
- Pipe Class / Schedule (e.g., Class 9, 12, 18 or Sch 40) relates to wall thickness and therefore the Internal Diameter (ID) and pressure rating.
- The outside diameter of a fitting is not useful (wall thickness varies by manufacturer).
Hose & Tube Dimensions
Common flexible hose sizes used in pool/spa systems (approximate IDs).
| Imperial Name | Metric Name | Inside Diameter (ID) |
|---|---|---|
| 3/8" | 9–10 mm | ~9 mm |
| 3/4" | 19 mm | ~19 mm |
BSP – British Standard Pipe Thread Sizes
BSP thread names are also nominal. The thread OD will not equal the nominal name.
| BSP Thread Size Naming | Outside Diameter (mm / inch) | TPI |
|---|---|---|
| 1/16" BSP | 7.7 mm / 0.304" | 28 |
| 1/8" BSP | 9.7 mm / 0.383" | 28 |
| 1/4" BSP | 13.16 mm / 0.518" | 19 |
| 3/8" BSP | 16.66 mm / 0.656" | 19 |
| 1/2" BSP / 15 mm | 20.99 mm / 0.825" | 14 |
| 5/8" BSP | 22.99 mm / 0.902" | 14 |
| 3/4" BSP / 20 mm | 26.44 mm / 1.041" | 14 |
| 7/8" BSP | 30.20 mm / 1.189" | 14 |
| 1" BSP / 25 mm | 33.25 mm / 1.309" | 11 |
| 1-1/4" BSP | 41.91 mm / 1.650" | 11 |
| 1-1/2" BSP / 40 mm | 47.80 mm / 1.882" | 11 |
| 2" BSP / 50 mm | 59.61 mm / 2.347" | 11 |
| 2-1/4" BSP | 65.71 mm / 2.587" | 11 |
| 2-1/2" BSP | 75.18 mm / 2.960" | 11 |
| 3" BSP | 87.88 mm / 3.460" | 11 |
| 4" BSP | 113.03 mm / 4.450" | 11 |
| 5" BSP | 138.43 mm / 5.450" | 11 |
| 6" BSP | 163.83 mm / 6.450" | 11 |
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