LX Whirlpool EA450 Spa & Bath Pump - 1.5hp - EA 450
LX Whirlpool EA450 Spa & Bath Pump - 1.5hp - EA 450 - is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
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LX Whirlpool EA450 Spa Jet & Bath Pump — 1.5HP, Top-Centre Discharge, 40mm / 1.5" Unions
Self-draining spa jet pump suitable for standard spas and spa baths. Provides reliable flow for 6–8 jets (up to ~250 LPM) with compact footprint and quiet operation.
- Power: 1.5HP (1100W), 230V, 50Hz
- Discharge: Top-centre
- Connections: Supplied with 40mm / 1.5" unions
- Application: Common on many Chinese-manufactured/imported spas
- Drain-back: Self-draining design (ideal for spa bath use)
Compatibility & Plug Options
- Pre-fitted with an AMP cord compatible with Aeware in.ye and Balboa controllers
- Not compatible with Spanet or Spaquip controllers — requires alternate over-moulded lead (sold separately) or re-use of the original cord
- Identify your plug type here before ordering
Specifications
| Model | LX Whirlpool EA450 |
| Output | 1.5HP (1100W) |
| Voltage / Frequency | 230V AC, 50Hz |
| Max Flow (guide) | ~250 LPM (6–8 jets) |
| Plumbing | 40mm / 1.5" unions included |
| Discharge Orientation | Top-centre |
| Warranty | 2-year parts-only warranty (LX) |
What’s Included
- EA450 1.5HP self-draining jet pump
- 40mm / 1.5" barrel unions
- Pre-fitted AMP cord (Aeware in.ye & Balboa compatible)
Installation & Notes
- Electrical work must be performed by a licensed electrician.
- When replacing other brands/models, new unions may be required (included). Plumbing alignment may differ slightly.
- If using Spanet or Spaquip controllers, use the correct over-moulded lead (sold separately) or re-use the existing one if safe.
- Check dimensions, discharge orientation, and plug type before purchase.
FAQ
Will this replace my current 1.5HP jet pump?
Yes, in most cases. It suits 40mm/1.5" plumbing and 6–8 jet setups. Confirm discharge orientation and plug type.
Does it include the correct unions?
Yes, 40mm / 1.5" unions are supplied.
Is the AMP cord plug-and-play?
Yes with Aeware in.ye and Balboa. For Spanet/Spaquip, an alternate over-moulded lead is needed.
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" | 25 mm | ~33.4–33.7 mm |
| 1.5" | 40 mm | ~48.1–48.4 mm |
| 2" | 50 mm | ~60.2–60.5 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.
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).
PVC Pressure Pipe AS/NZ 1477 Dimensions1:
Common nominal sizes with typical outside diameters and indicative inside diameters by class.
| Imperial Name | Metric Name | Outside Diameter (OD) | Class 9 IDº | Class 12 IDº | Class 18 IDº |
|---|---|---|---|---|---|
| 1/2" | 15 mm | ~21.2–21.5 mm | 18.3 mm | 17.8 mm | |
| 3/4" | 20 mm | ~26.6–26.9 mm | 23.7 mm | 22.4 mm | |
| 1" | 25 mm | ~33.4–33.7 mm | 30.5 mm | 29.8 mm | 28.1 mm |
| 32 mm | ~42.1–42.4 mm | 38.5 mm | 37.5 mm | 35.4 mm | |
| 1.5" | 40 mm | ~48.1–48.4 mm | 45.2 mm | 44.1 mm | 42.8 mm |
| 2" | 50 mm | ~60.2–60.5 mm | 55.2 mm | 53.7 mm | 50.5 mm |
| 65 mm | ~75.2–75.5 mm | 68.9 mm | 67.0 mm | 63.2 mm | |
| 2.5" | ~73 mm |
- 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.
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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