Complete Gecko IN.YJ-3 / IN.K300 Replacement System with 3 kW Heater
The Gecko IN.YJ-3 / IN.K300 pack is a complete solution for replacing or upgrading a spa's electronic control system. It includes a 230 V control box, an IN.K300 control keypad, and a 3.0 kW Heat.Wav heater. The in.yj-3-V3 control box can manage up to three components, depending on the configuration, and features the in.flo system, which electronically protects the heater in case of insufficient water flow. Its main 2" plumbing connection is designed for pipes with an outside diameter of 60 mm.
| Brand | Gecko Aeware |
| Manufacturer Part Number | 0612-300003 |
| Control System | Gecko in.yj-3-V3 |
| Number of Outputs | 3 outputs |
| Included Keypad | Gecko IN.K300 |
| Keypad Buttons | Pump, Light, Up, Down |
| European System Power Supply | 220-240 V - 50/60 Hz |
| Single-Phase Power Supply | 40 A maximum |
| Two-Phase Power Supply | 20 A maximum per phase |
| Heater | Heat.Wav 3.0 kW |
| Heater Protection | in.flo, electronic dry-fire protection |
| Plumbing Connection | 2" for pipes with a 60 mm outside diameter |
| in.yj-V3 Control Box Dimensions | 315 x 195 x 96 mm (W x H x D) |
| Control Box Weight | 1.41 kg |
| Heat.Wav Heater Dimensions | 493 x 128 x 100.5 mm (W x H x D) |
| Heater Weight | 2.1 kg |
| IN.K300 Keypad Dimensions | 160 x 56.5 x 56.5 mm (W x H x D, including mounting hardware) |
| Keypad Cutout Dimensions | 137 x 34.5 mm (W x H) |
| Keypad Cable Length | 296 cm |
| Light Cable Length | 240 cm |
| Control Box Power Cable Length | 230 cm |
| Power and Sensor Wire Length | 135 cm |
| Keypad Connection | in.link |
| Ingress Protection Rating | IPX5 for CE/AS/NZS certification |
| Light Output | 12 V DC - 1 A maximum |
| RGB LED Output | 1 A maximum |
Compatibility and Checks Before Purchasing
The in.yj-3-V3 system has three outputs. The standard configuration supports a two-speed Pump 1, a single-speed Pump 2 on the in.yj-3 model, and an ozonator, provided the system's wiring requirements and electrical limits are followed.
The in.yj-V3 system is compatible with the following keypads: IN.K300, IN.K450, IN.K500, IN.K800, IN.K1000, IN.K1000+, IN.K1001, and IN.K1001+. This pack includes an IN.K300 keypad.
The heater connection is designed for 2" plumbing with a 60 mm outside diameter. A reducer can also be used for 1.5" plumbing with a 48 mm outside diameter, or a 413-4510 reducer for 3/4" plumbing with a 27 mm outside diameter.
Installation / Replacement
The control system must be installed in one of the two mounting positions recommended by Gecko to minimize the risk of water entering the enclosure. It must also be positioned at least 100 mm above the maximum potential flood level.
The Heat.Wav heater must be installed on the discharge side of the main pump, in the return line. The in.yj system must be powered off before connecting any accessories.
The in.yj-3-V3 must be connected to a circuit protected by a residual current device (RCD) rated at 30 mA or less. All electrical connections must comply with applicable electrical codes and use copper conductors.
The main keypad connects to the designated port using its in.link connector.
Frequently Asked Questions
How many outputs does the Gecko IN.YJ-3-V3 system have?
The IN.YJ-3-V3 has three outputs. The standard configuration supports a two-speed Pump 1 and, on the in.yj-3 model, a single-speed Pump 2, along with the system's other available outputs.
Which keypads are compatible with the IN.YJ-3-V3 system?
The following keypads are compatible with this system: IN.K300, IN.K450, IN.K500, IN.K800, IN.K1000, IN.K1000+, IN.K1001, and IN.K1001+. This pack includes an IN.K300 keypad.
What are the dimensions of the Gecko IN.YJ-V3 control box?
The in.yj-V3 control box measures 315 x 195 x 96 mm and weighs 1.41 kg. These dimensions match the mechanical specifications listed in Gecko's technical documentation for the in.yj system.
What are the dimensions of the Heat.Wav heater?
The Heat.Wav heater measures 493 x 128 x 100.5 mm and weighs 2.1 kg.
What are the dimensions of the IN.K300 keypad?
The IN.K300 keypad measures 160 x 56.5 x 56.5 mm (W x H x D, including mounting hardware), with a required cutout of 137 x 34.5 mm (W x H).
How should the IN.YJ-V3 control box be installed?
Gecko specifies two approved mounting positions for the control box to minimize the risk of water entering the enclosure. The system must also be installed at least 100 mm above the maximum potential flood level.