Authorized Gecko Distributor

When you purchase from AquaDoc, you're guaranteed to receive an authentic Gecko device. Order with confidence, knowing you'll receive top quality pool equipment.

Skip to product information
1 of 1

Gecko 0603-421002 4KW 230V In.Xm Heater Assembly with 8' Cord

Gecko 0603-421002 4KW 230V In.Xm Heater Assembly with 8' Cord

Regular price $822.84
Regular price $865.89 Sale price $822.84
Sale Sold out
Shipping calculated at checkout.

Gecko 0603-421002 4KW 230V In.Xm Heater Assembly with 8' Cord ensures reliable spa heating and easy installation.

Product Details

The Gecko 0603-421002 4KW 230V In.Xm Heater Assembly with 8' Cord is designed to maintain the perfect water temperature in your spa. It delivers reliable heating performance for a consistently comfortable spa experience.

Built to Gecko’s high standards, this heater assembly is a genuine replacement part, ensuring compatibility and durability with In.Xm spa control systems.

The included 8-foot cord provides flexibility during installation, allowing for easy setup within your existing spa system.

Constructed for long-term use, this heater is resistant to common wear factors in spa environments such as moisture and heat exposure.

With dependable heating capability and simple integration, this replacement part helps keep your spa running efficiently and comfortably.

AI Review Summary ✨

⭐⭐⭐⭐⭐

Spa owners praise this heater assembly for its reliable heating and straightforward installation.

The 8-foot cord is noted as a convenient feature, making setup easier without needing extensions.

Customers also highlight its durability as a genuine Gecko product built to last.

Features
  • Genuine Gecko replacement heater assembly
  • 4KW 230V output for efficient water heating
  • Compatible with In.Xm spa control systems
  • Includes 8-foot cord for flexible installation
  • Built for long-lasting durability in spa environments
Specifications
  • Brand: Gecko
  • Application: Spa Heater Assembly
  • Power Rating: 4KW
  • Voltage: 230V
  • Cord Length: 8 feet
  • Commercial, Residential, or Professional: Residential
  • Minimum Sell Quantity: 1
  • Mfg. Part #: 0603-421002


Frequently Asked Questions

Is this heater compatible with all spa systems?

No, it is specifically designed for Gecko In.Xm spa control systems.

Does the unit come with the necessary cord?

Yes, it includes an 8-foot cord for easier installation.

How much power does the heater provide?

This model is rated at 4KW, providing efficient heating for spa water.

Warranty
View full details
Authorized Retailer US Shipping

The price you see is the price you pay.
We don’t play pricing games.
That’s why all orders over $75 ship free—no tricks, no hidden costs.

learn more

Why choose AquaDoc?

  1. 🌟 Top-notch products designed by leading pool & spa brands.
  2. 📦 Proudly ship locally from the USA, ensuring faster delivery.
  3. 👷‍♂️ Every purchase supports American income and jobs.

Order With Confidence

Satisfaction guaranteed! We're here to help with any pool or spa related issues. Contact us anytime for assistance.

Free shipping on all orders over $75!  

As seen on

1 of 5

Gecko is a leader in spa control systems, known for intuitive interfaces, reliable performance, and user-friendly design. From keypads and circuit boards to complete control packs, Gecko products help you get the most out of your hot tub experience. At AquaDoc, we carry a full line of Gecko spa parts and systems to make hot tub operation simple, efficient, and enjoyable.