Gecko Aeware in.yj-2 Spa Control System

Name: Gecko Aeware in.yj-2 Spa Control System
Brand: SXSC
SKU: aewarebdlyj2k200ce-13
Price: 1815.00 AUD
Availability: InStock

$1,815.00 $2,095.97

Tax included Shipping calculated at checkout.

Gecko Aeware in.yj-2 Spa Control System is backordered and will ship as soon as it is back in stock.

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Aeware in.yj-2 Spa System

The Aeware in.yj-2 spa system is a versatile and compact controller, typically set up with a 10A circuit. It is built on the same platform as the in.ye series controllers, but this model features direct spade terminal connections, making it a highly universal spa pack.

Touchpad Compatibility

The in.k200 touchpad may require hole size modification and can replace:

Gecko K-9
Balboa VL200
Spaquip / Davey SP601

For replacing Balboa VL401 and ML700 touchpads, see other available kit versions.

System Compatibility

The in.yj-2 is a universal spa control system suitable for:

1 x 2-speed pump
1 x 1-speed pump + blower
1 x 1-speed pump, blower, and 24-hour circulation pump
Ozone & LED light support

Heater Specifications

1.3kW heater
In-line remote heater (15” long x 2” stainless steel tube, complete with unions)

Electrical & Connectivity

230-240V, 50Hz
10A – 32A max single-phase
Utilizes 6.4mm spade terminals for direct connection to:
- Pump 1
- Blower
- Ozone
- Circulation Pump
All inputs and outputs wired directly onto relay spade terminals on the circuit board
Light Output: 12V AC, 0.5A / 6W max (cannot use a standard 12W incandescent lamp)
Max Current Draw:
- All outputs combined (including heater): 32A
- Any individual pump: 10A

Ideal Replacement For:

The in.yj-2 is perfect for replacing spa controllers used with a separate pump, including:

Older "all-in-one" hot pumps
Spaquip Pulsar Series
Spaquip 2095 Series (with 2 outputs + light)

This unit offers a reliable, modern, and adaptable solution for spa system upgrades.

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.

Quick example: A 2" / 50 mm fitting is named for the pipe it connects to, but the pipe’s actual outside diameter (OD) is approx. 60.3 mm (typically ~60.2–60.5 mm in AS/NZ pressure pipe).

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).

Important: For pool/spa work, most plumbing uses Pressure Pipe (AS/NZ standards) — not DWV. Always check OD and the pipe class against your equipment specifications.

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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