Gecko in.yj2 w/ K200 Keypad Spa Control 1.4/5.5kW No Heater 3-73-5000
$427.71
Control System, Allied (Gecko) 120 volt Only, IN.YJ2 Heat Recovery, w/ Spaside, GFI & Hi-Limit
| Manufacturer part number | 3-73-5000 |
| Returns | 30-day returns – see our returns policy |
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📥 Downloads & Resources
Andi’s Top Tip – If you are looking for a replacement Gecko Spa Pack and you are finding that the product part number is not an exact match – don’t worry. What is important is the model, for example In.YJ or In.YE etc etc. The additional numbers will more than likely be an upgraded system firmware on the Spa Pack so it is unlikely you would find the exact match if you are replacing an older model. Just make sure you match the model In.YJ, YE etc etc.
Gecko in.yj2 Heat Recovery Control System with K200 Keypad
Model: 3-73-5000
Product Overview
We supply this comprehensive Gecko in.yj2 heat recovery system. This specialized control package comes complete with a K200 keypad and is designed specifically for spas utilizing motor-generated heat, making it an ideal replacement for various legacy systems
Gecko in.yj2 Spa Control 1.4/5.5kW No Heater 3-73-5000 The perfect system for entry-level spas with Gecko’s breakthrough features and signature design.
Gecko’s In.Yj-2 heat recovery (thermal transfer) system made for spas that have no heater and use the motor to heat the spa water either through friction or a heat jacket. This kit is the primary replacement for the older TDI / Tridelta / Tecmark thermal transfer systems, as well as the discontinued Len Gordon HT-1000Y2K and the Spa Builders LX-05 systems.
Core System Features
- Heat recovery/thermal transfer system
- K200 keypad included
- Built-in GFCI protection
- Integrated high-limit safety
- 120V dedicated operation
- Advanced thermal management
- 1.4/5.5kW power rating
- Single pump support
Direct Replacement For
- HT-1000 Series systems
- HT-2000-Y2k Series
- TDI systems
- Tridelta controllers
- Tecmark thermal transfer systems
- Len Gordon HT-1000Y2K
- Spa Builders LX-05
Technical Specifications
| Specification | Value |
|---|---|
| Our part number | 3-73-5000 |
| Outputs | 2 relay controlled outputs (K7-P, K6-P) plus a direct output (P25) * |
| Circulation pump | Not controlled via a relay and runs 24/7; must provide at least 68,1 L/min (18 GPM) * |
| Light | 12 V DC, 1 AMP * |
| Connectors | Relay outputs on K7-P and K6-P; keypad on the C1 main keypad connector * |
| Low-level configuration | Select the spa configuration at startup; hold the Pump 1 key for 30 seconds to re-enter the low level menu * |
| Model Number | 3-73-5000 |
| System Voltage | 115V only |
| Power Rating | 1.4/5.5kW |
| Heat Type | Heat recovery system |
| Pump Support | Single pump |
| Safety Features | GFCI and Hi-Limit protection |
| Control Panel | K200 keypad included |
| Application | Entry-level spas |
| Heat Source | Motor friction/heat jacket |
* The manufacturer publishes this figure for the pack family rather than for this exact part number. Check it against your own pack before you order.
K200 Keypad Features
- User-friendly interface
- Temperature control
- Pump operation
- System settings
- Diagnostic feedback
- Simple operation
Safety Integration
- Built-in GFCI protection
- High-limit safety cutoff
- Temperature monitoring
- System diagnostics
- Operational safeguards
System Applications
Ideal for:
- Entry-level spas
- Motor heat recovery systems
- Friction heat configurations
- Heat jacket installations
- Single pump setups
- Compact spa designs
Installation Benefits
- Complete package solution
- Integrated safety features
- Simplified wiring
- Straightforward setup
- Comprehensive controls
Heating Technology
- Motor heat recovery
- Thermal transfer system
- Friction heat utilization
- Heat jacket compatibility
- Temperature management
System Protection
- GFCI safety
- High-limit protection
- Temperature monitoring
- System diagnostics
- Operational safeguards
Accessories
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Alternate Part Numbers
- 3-73-5000
- HT-1000
- HT-2000-Y2K
- 936540-001
- 936540-003
- 3-60-0168
- 3-60-0134
- 3-70-0415
🔧 Exploded diagram and parts
This part belongs to the Gecko IN.YJ Kits, Topsides, Parts & Accessories assembly. Everything listed below is something we stock for it.
Adapter Plates
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Gecko Hi-Limit/Temperature Sensor 9920-401397 | 9920-401397 | 99 in stock | $72.09 | Add to cart |
 |
Gecko Light Harness 9920-400489 | 9920-400489 | 67 in stock | $37.23 | Add to cart |
 |
Gecko Adapter Plate 9917-102239 | 9917-102239 | 164 in stock | $15.88 | Add to cart |
 |
Gecko in.Touch 3 WiFi Module — Spa Remote Control via Smartphone App | 0608-521047 | 185 in stock | $169.57 | Add to cart |
 |
Light Lead W/2-Pin Connecter | 633-1000 | 31 in stock | $21.08 | Add to cart |
 |
Gecko Adapter Plate 9917-102053 | 9917-102053 | 45 in stock | $17.08 | Add to cart |
 |
Balboa Light Harness 21089 | 21089 | 334 in stock | $39.49 | Add to cart |
 |
Gecko LED Lighting 246AA0064 | 246AA0064 | 137 in stock | $19.46 | Add to cart |
 |
Gecko in.k120-3OP Auxiliary Keypad (0607-005019) — 4-Button Secondary Spa Controller with 20-Foot Cable, Compatible with Gecko X-Series and Y-Series Spa Packs | 0607-005019 | 23 in stock | $132.60 | Add to cart |
Cords
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Pump Cord, H-Q, 14/4 x 31, AMP-4 Male (R/B/W with G) | 30-1001C | 61 in stock | $12.11 | Add to cart |
 |
Cord, Hydro-Quip, Amp 72", 14/4, 4 Wire | 30-0326-72 | 52 in stock | $29.01 | Add to cart |
 |
Receptacle, Hydro-Quip, 2-Speed Pump, Amp , Red | 09-0032 | 16 in stock | $6.63 | Add to cart |
 |
Balboa Amp Plug 21087 (For 2 Speed Pumps) | 21087 | 407 in stock | $31.72 | Add to cart |
 |
HydroQuip Adapter Y Amp Cable 48-0044A | 48-0044A | 4 in stock | $20.00 | Add to cart |
 |
Light Harness Adapter, Gecko IN.YJ/IN.YE, 3-pin to 2-pin, 3" | 9920-401507 | 150 in stock | $24.43 | Add to cart |
Complete overlays
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
7 Button Gecko IN.K Series Keypad Overlay 9916-101335 | 9916-101335 | 42 in stock | $36.19 | Add to cart |
 |
4 Button Gecko IN.K200 Keypad Overlay 9916-101203 | 9916-101203 | 10 in stock | $22.54 | Add to cart |
 |
4 Button Gecko in.k300 Keypad Overlay 9916-101499 | 9916-101499 | 33 in stock | $24.45 | Add to cart |
 |
Overlay, Gecko In.k300, 4 Btn, P1, P2, Light, Temp | 9916-101500 | Available to order | $24.45 | |
 |
Overlay, Gecko in.k336, Up, Down, Pump1, Light, Program | 9916-101749 | 11 in stock | $14.31 | Add to cart |
 |
Overlay, Gecko in.k336, Up, Down, Pump1, Pump2, Light | 9916-101750 | 9 in stock | $24.40 | Add to cart |
Complete heaters
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Gecko Heat.Wav 4.0/5.5kW 115/230V Flow Thru Heater 0613-421009 | 0613-421009 | 147 in stock | $209.44 | Add to cart |
Complete controls
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
| Control, Gecko in.yj-3 V3, P1(2),P2(1),4.0kW, w/in.k336, IT3 | 0612-300012 | In stock | $594.70 | Add to cart | |
 |
Control, Gecko in.yj-3 V3, P1(2),P2(1),4.0kW, w/in.k300, IT3 | 0612-300011 | In stock | $594.70 | Add to cart |
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Gecko in.k336 Topside Control Panel (5-Button Rectangular LCD with Backlit Rim, Both Overlays Included) — Compatible with Gecko Y-Series Spa Pack Systems | 0607-008112 | 4 in stock | $131.65 | Add to cart |
Commonly replaced parts
Parts commonly replaced on this item that we stock.
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
In-Line GFCI, 15A, 115v, SPST, 15 foot Cord, (B/W/with G) | 30-0061B-K | 50 in stock | $70.20 | Add to cart |
 |
Gecko in.yj Spa Control No Heater 0612-221045-440 | 0612-221045-440 | 38 in stock | $251.13 | Add to cart |
 |
Generic Right-Angle GFCI Plug GSRA1 | GSRA1 | 28 in stock | $79.99 | Add to cart |
| Brand | Gecko |
|---|---|
| Wattage | 1.4/5.5KW |
| Voltage | 115/230v |
| Includes Topside? | Yes |