1. Introduction
This instruction manual provides essential information for the safe installation, operation, and maintenance of your KOHLER Invigoration 5 kW Residential Steam Generator, Model 5525-NA. Please read this manual thoroughly before installation and use to ensure proper function and longevity of your product. Retain this manual for future reference.

Figure 1: The KOHLER Invigoration 5 kW Residential Steam Generator, showcasing its compact design and connection points. The unit is a light gray color with the KOHLER logo on the front.
2. Safety Information
Always adhere to local plumbing and electrical codes. Installation should be performed by a qualified professional. Failure to follow these instructions could result in electric shock, fire, property damage, or personal injury.
- Ensure the power supply is disconnected before any service or maintenance.
- Do not operate the steam generator if it is damaged or malfunctioning.
- Keep children and unauthorized personnel away from the unit during operation.
- The steam outlet can reach high temperatures; avoid direct contact.
3. Product Overview
The KOHLER Invigoration 5 kW Residential Steam Generator is designed to provide a luxurious steam shower experience. Key features include:
- Fast-Response Technology: Produces steam in approximately 60 seconds.
- Constant Steam: Maintains a consistent steam output, minimizing temperature fluctuations.
- Power Clean Technology: Offers one-touch automatic cleaning for easy maintenance.
- Compatibility: Designed to integrate with the KOHLER DTV+ showering system.
- Capacity: Suitable for custom showering applications up to 56 cubic feet.

Figure 2: An infographic highlighting key features of KOHLER Steam generators, including Fast-Response Technology, Constant Steam, Power Clean, Eco-Friendly design, Auto Shutoff, Durable Construction, and intuitive operation.
4. Setup & Installation
The steam generator should be installed in an accessible location, such as a closet, vanity, or insulated attic space, within 25 feet of the steam shower enclosure. Refer to the detailed installation guide included with your product for specific plumbing and electrical connections.
- Dimensions: 20 x 6.5 x 12.5 inches.
- Weight: Approximately 28.7 pounds.
- Control Kit: Requires a K-5557 Invigoration steam generator control kit or K-5548-K1 DTV+ steam adapter kit (sold separately) for operation.

Figure 3: A top-down view of the KOHLER Invigoration 5 kW Residential Steam Generator, illustrating the water inlet and outlet connections, and the electrical junction box for installation planning.
5. Operating Instructions
Once installed and connected to a compatible control system (e.g., KOHLER DTV+), operating your steam generator is straightforward:
- Ensure the water supply to the generator is open.
- Activate the steam function via your KOHLER control panel.
- The fast-response technology will begin producing steam within approximately 60 seconds.
- Adjust steam duration and temperature settings as desired through the control panel.
- The generator features an automatic shutoff after 20 minutes if not reactivated, ensuring safety.
Video 1: This video demonstrates the immersive experience of the KOHLER DTV+ showering system, which is compatible with the Invigoration Steam Generator. It showcases various water and steam features, emphasizing relaxation and well-being.
6. Maintenance
The KOHLER Invigoration Steam Generator is designed for minimal maintenance, primarily utilizing its Power Clean technology.
- Power Clean: This feature allows for one-touch automatic cleaning, flushing sediment out of the generator through the steam head. No manual flushing is required.
- Regularly inspect the steam head and connections for any signs of wear or leakage.
- For optimal performance, ensure the water quality meets the recommended standards.
7. Troubleshooting
If you encounter issues with your steam generator, consider the following common troubleshooting steps:
- No Steam Production: Verify power supply, water supply, and ensure the control panel is correctly activated. Check for any error codes on the control panel.
- Insufficient Steam: Confirm the generator size is appropriate for your shower enclosure's cubic footage. Ensure the steam head is not obstructed.
- Leaking: Inspect all plumbing connections for tightness. If leaks persist, contact a qualified plumber.
- For persistent issues, refer to the comprehensive troubleshooting guide in your installation manual or contact KOHLER customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Kohler |
| Model Name | Invigoration |
| Model Number | 5525-NA |
| Power Output | 5 kW |
| Maximum Volume Rating | 56 cubic feet |
| Product Dimensions | 20 x 6.5 x 12.5 inches |
| Item Weight | 28.7 pounds |
| Material | Stainless Steel |
| Special Feature | Variable Steam Function, Fast-Response, Power Clean |
| UPC | 885612434418 |
9. Warranty & Support
The KOHLER Invigoration 5 kW Residential Steam Generator (Model 5525-NA) is covered by a Three-Year Limited Warranty. This warranty covers defects in material and workmanship under normal use and service.
For warranty claims, technical assistance, or to purchase replacement parts, please contact KOHLER customer support directly. Ensure you have your model number (5525-NA) and proof of purchase available when contacting support.
For more information, visit the official KOHLER Store.





