Spa AMP Lead & Tool Kit - Crimper & Male Plugs - Starter Kit
Spa AMP Lead & Tool Kit - Crimper & Male Plugs - Starter Kit is temporarily out of stock and will ship as soon as it's available.
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Spa AMP Lead & Tool Kit - Crimper & Male Plugs - Starter Kit
Spa AMP Lead & Tool Kit - Crimper & Male Plugs - Starter Kit is temporarily out of stock and will ship as soon as it's available.
Spa AMP Lead & Tool Kit - Crimper & Male Plugs - Starter Kit
Convert older spa wiring to the modern AMP-style male plugs used on most current spa control systems and accessories (pumps, blowers, ozone, lights, etc). This is a practical little kit for technicians and electricians who need the more standardised plug setup when upgrading or repairing a spa.
A.M.P. (AMP) does not stand for "Amps" -- It is an abreviation for "Aircraft & Marine Products -- the original company behind the connectors and plugs. The brand later became AMP Incorpororated and is now part of TE Connectivity. AMP plugs are the most common "universal" plugs found in spa control systems for over 20 years now.
- Physically Stocked, unlike most "drop-shipping" websites.
- Shipped from VIC, NSW, WA, QLD
What this kit is for
- Changing older plug styles over to AMP-style male plugs
- Upgrading a spa pack and needing your existing accessories to match the new plug/socket style
- Replacing broken, corroded or heat-damaged plugs and re-terminating leads properly
Commonly used with
These AMP-style plugs are commonly found across many spa brands and components, including E-think, Balboa, Gecko, AeWare, Davey, Spa-quip (SpaQuip), Spanet, Joyonway and others.
Recommended for upgrades from older plug types
Highly recommended when upgrading a spa from older plug styles such as C38, Mini J&J, and other legacy connector types to modern AMP plug and socket setups.
What’s included
- 4 x Male AMP plugs (housings)
- 13 x Male AMP pins (terminals)
- 1 x AMP crimper
Notes before you buy
- Pin count: 13 pins allows for spares and mistakes. Each plug uses multiple pins depending on the wiring required.
- Crimp quality is everything: A poor crimp can cause heat, arcing and failures. Make sure the conductor and insulation crimps are both formed properly.
- Electrical safety: Spa wiring is mains voltage. If you’re not trained & qualified, have a qualified person do the work.
Quick install tips
- Cut the old plug back to clean copper (avoid blackened/oxidised strands)
- Strip to the correct length (don’t nick the copper)
- Crimp firmly and evenly, then lightly tug-test each terminal
- Confirm polarity and wire positions before inserting pins into the housing
If you’re converting multiple components, this kit is a great starting point to get everything on the same modern connector standard.
In plumbing, named sizes are not the actual measurements. A pipe called “50mm” or “2"” does not measure 50 mm across. Instead, it follows nominal sizing, an internationally-standardised naming system.
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 |
These are nominal sizes and are designed to fit matching fittings — not to measure exactly 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 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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AMP Crimper w/ 4x Male Plugs + 13x Pins