Low‑Flow Replacement Pack – Gecko IN.YE5 by HydroQuip- Complete Retrofit Solution for Dimension One, Watkins, HotSpring & Other Low‑Flow Spa Systems
Introduction
The Low-Flow Replacement Pack is a complete Gecko IN.YE5-based spa control module by HydroQuip, built to support modern low-flow circulation systems. Perfect for spa brands using low-flow pumps, including Dimension One, Saratoga, Watkins, Caldera, and HotSpring. This replacement kit combines control electronics, heater, topside interface, and plumbing components for seamless retrofitting and upgrade.
Key Features
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Developed for low-flow circulation systems using dedicated low-flow pumps
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Integrated 3.0 kW “no-fault” flow-through heater featuring ribbed barb (3/4″) plumbing for reliable heating in minimal-flow environments
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Operates at 230 VAC, 50 Hz, making it compatible with most European spa systems
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AMP-type cable connections ensure quick plug‑and‑play installation
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Comes complete with IN.K450 topside control panel, providing intuitive user interface and compact form factor
Detailed Product Overview
Heater & Plumbing Essentials
Equipped with a ribbed ¾″ barb heater output, compatible with low-flow plumbing systems. The stainless steel element is engineered to maintain stable water temperature even when circulation is minimal.
Spa Control & Electronics
Includes the IN.YE5 control module and IN.K450 topside panel, supporting pump control, heating, filtration cycles, and lighting functions. The system is preconfigured for low-flow spa operation, reducing setup time.
Technical Specifications
Feature | Specification |
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Voltage / Frequency | 230 VAC / 50 Hz |
Heater Power | 3.0 kW Flow‑through, No‑Fault |
Plumbing Connection | ¾″ Ribbed barb fitting |
Pack Compatibility | Dimension One, Watkins, Saratoga, Caldera, HotSpring, and other low‑flow systems |
Topside Panel | IN.K450 control panel |
Pump Support | Circulation pump, single/multi-speed main pumps, light, ozone |
Dimensions
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Control Box + Heater: approx. 490 mm × 110 mm × 280 mm
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Topside Panel: approx. 178 mm × 83 mm
Items Included
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1 × Gecko IN.YE5 control box with integrated 3.0 kW low-flow heater
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1 × IN.K450 topside control panel
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Harwil flow switch
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AMP cables and adapters
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Flexible ¾″ vinyl hose with rings
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Light housing and electrical connectors
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IN.K450 bezel panel trim
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Assembly adapter plate for topside mount
Installation & Compatibility Notes
This replacement pack is intended for spas equipped with low-flow circulation pumps, commonly seen in hot tub brands such as Watkins, Dimension One, and Caldera. Proper alignment of ¾″ barb heater fittings and AMP wiring ensures direct compatibility.
Installation should be completed by a qualified technician, following local electrical and plumbing guidelines to ensure safe and reliable operation. Mistakes in wiring or plumbing may impair system functionality or void warranty coverage.
Summary
The Low‑Flow Replacement Pack (PK‑HQ001) offers a comprehensive spa control upgrade for systems using low-flow circulation. With a robust 3.0 kW heater, intuitive topside control panel, and plug‑and‑play connectors, it delivers seamless retrofitting and reliable daily performance. Whether you’re servicing a Caldera, HotSpring, or Dimension One spa, this kit provides a dependable, compact, and efficient solution.