Gecko in.yj-3 Control System | BDLYJ3K300
Compact, WiFi-compatible spa control with reliable solid-state technology.
Product Overview
The Gecko in.yj-3 Control System delivers powerful performance in a compact, waterproof design. This versatile unit is capable of operating one 2-speed pump or two 1-speed pumps, with optional circulation pump support. Built on Gecko’s trusted YJ platform, it provides solid-state water flow detection for enhanced safety and reliability—eliminating the need for pressure switches.
The included in.k300 topside keypad offers simple, intuitive control over all spa functions. When paired with the Gecko in.touch WiFi module, the system becomes fully remote-controllable for ultimate convenience.
Key Features
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Operates 1 × 2-speed pump or 2 × 1-speed pumps
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Solid-state water flow detection – no pressure switch required
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WiFi compatible (requires module 59-402-1030)
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Dual-voltage operation (115V/230V)
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4.0 kW heater (standard 2″ heater, 15″ length)
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Preloaded configuration for fast setup
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IPX5-rated waterproof design
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Circulation pump and ozone-ready capability
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Aeware keypad cable included
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Compact control box with 48″ remote heater cord
Technical Specifications
| Specification | Detail |
|---|---|
| Manufacturer | Gecko |
| Model | in.yj-3 |
| Part Number | BDLYJ3K300 |
| System Voltage | 115V / 230V (4-wire) |
| Heater Type | Remote |
| Heater Wattage | 1.0 kW / 4.0 kW |
| Topside Included | in.k300 |
| Circ Pump Ready | Yes (115V / 230V) |
| Auxiliary Topside Ready | Yes |
| Ozone Ready | Yes |
| WiFi Compatible | Yes (with module 59-402-1030) |
| Frequency | 60 Hz |
| Box Dimensions | 12″ L × 3.75″ D × 7.38″ H |
| Heater Cord Length | 48″ |
| Category | Spa Control Systems |
Uses
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Designed for residential hot tubs and spas
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Ideal for new installations or system upgrades
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Compatible with Gecko in.touch WiFi module for remote access
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Works seamlessly with Gecko circulation and blower components
Benefits
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Compact and efficient — perfect for tight spa cabinets
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No pressure switch — fewer maintenance issues
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Energy efficient with configurable voltage outputs
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Plug-and-play installation for easy setup
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Smart control ready — upgrade to WiFi monitoring and control
Summary
The Gecko in.yj-3 Control System (BDLYJ3K300) combines advanced spa control technology with compact, rugged design. Its solid-state reliability, dual-voltage flexibility, and WiFi compatibility make it one of the most versatile control systems available. Whether for new spa builds or retrofits, it’s a dependable solution that simplifies installation and enhances user experience.


















