Kohler K-5549-K1 Invigoration Tandem Steam Adapter Kit

Dual Steam Heads & Aromatherapy for Kohler Invigoration® Generators 18–30kW

The Kohler K-5549-K1 Tandem Steam Adapter Kit is engineered for use with Kohler Invigoration® Series steam generators rated between 18kW and 30kW. This kit enables seamless integration with compatible Kohler digital control systems, delivering precise, consistent steam to larger residential steam shower enclosures.

With dual steam heads featuring integrated aromatherapy reservoirs, a dedicated temperature sensor, and quick-connect cabling, the K-5549-K1 brings spa-quality steam performance to your home — with the reliability and finish quality Kohler is known for.

Important: A compatible Kohler Invigoration® steam generator and control kit are required for operation and are sold separately.

Available Finishes: Polished Chrome, Brushed Nickel, Matte Black, Brushed Brass, Brushed Bronze, Polished Nickel, French Gold, and Vibranta Titanium. Select your finish from the dropdown above.

▶ Watch: Kohler Invigoration Steam Shower Overview

Who This Is For

The K-5549-K1 is ideal for homeowners and contractors building or upgrading a high-output residential steam shower with a Kohler Invigoration® generator in the 18–30kW range. It's the right choice when a single steam head isn't sufficient for larger enclosures or when dual-zone steam delivery is desired.

Key Features

• Designed exclusively for Kohler Invigoration® steam generators (18kW–30kW)
• Enables integration with Kohler digital control systems for precise steam management
• Includes two circular steam heads for even, wide-area steam dispersion
• Integrated aromatherapy reservoirs on each steam head for optional scent infusion
• Adjustable temperature range: 90°F to 125°F
• Built-in 20-minute safety shutoff for peace of mind
• Quick-connect RJ-12 cable system for simplified, clean installation
• Available in 8 premium Kohler finishes to match your shower hardware

System Integration & Performance

When paired with a compatible Kohler Invigoration® generator and control kit, the K-5549-K1 enables coordinated, digitally managed steam delivery across two steam heads. The system supports accurate temperature regulation and consistent steam output — creating a controlled, spa-like environment in your home shower.

The integrated aromatherapy reservoirs allow you to add essential oils or Kohler-compatible aromatherapy products directly to each steam head, infusing your steam session with your preferred scent.

Specifications

• Model: K-5549-K1
• Compatibility: Kohler Invigoration® Steam Generators (18kW–30kW)
• Temperature Range: 90°F – 125°F
• Safety Shutoff: 20-minute automatic shutoff
• Steam Heads: 2 (circular design for even dispersion)
• Aromatherapy: Integrated reservoirs on each steam head
• Connection Type: Quick-connect RJ-12 cable
• Available Finishes: Polished Chrome, Brushed Nickel, Matte Black, Brushed Brass, Brushed Bronze, Polished Nickel, French Gold, Vibranta Titanium

What's Included

• 2 × Steam heads (with integrated aromatherapy reservoirs)
• 1 × Temperature sensor
• 1 × Tandem adapter
• 1 × Mounting arm
• 1 × Gasket

Required Components Sold Separately

• Kohler 18kW Invigoration® Steam Generator
• Kohler 22kW Invigoration® Steam Generator
• Kohler 26kW Invigoration® Steam Generator
• Kohler 30kW Invigoration® Steam Generator
• Kohler K-5558 Tandem Control Kit

Shipping & Delivery

This product ships free to the contiguous United States. Estimated Delivery Time: Most orders arrive within approximately 4–7 business days, including processing and transit time. Tracking information will be provided by email once your order ships.

Installation Notes

• Designed for use with Kohler Invigoration® systems only — not compatible with other brands
• Professional installation by a licensed plumber or steam shower contractor is strongly recommended
• Verify compatibility with your specific generator model and control kit prior to installation
• Follow all manufacturer guidelines and applicable local building codes

Warranty

This product includes Kohler's full manufacturer warranty. As an authorized Kohler retailer, Prime Regeneration ensures complete warranty coverage is passed through to you at the time of purchase.

Manuals & Documentation

• Specification Sheet
• Installation & Operation Manual
• Service Parts Diagram

Complete Your Steam Shower System

Build out your full Kohler Invigoration® steam shower with compatible generators and controls.

• Kohler 18kW Steam Generator
• Kohler 22kW Steam Generator
• Kohler 26kW Steam Generator
• Kohler 30kW Steam Generator
• Kohler K-5558 Tandem Control Kit
• Steam Generator Sizing Guide
• Shop All Kohler Steam Systems

FAQ

What generators is the K-5549-K1 compatible with?
This kit is designed exclusively for Kohler Invigoration® Series steam generators rated 18kW, 22kW, 26kW, and 30kW. It is not compatible with generators from other brands or lower-output Kohler models.

Do I need a special control kit?
Yes. The Kohler K-5558 Tandem Control Kit is required for operation with this adapter kit and is sold separately.

Can I use aromatherapy with this kit?
Yes. Each steam head includes an integrated aromatherapy reservoir. You can add compatible essential oils or Kohler aromatherapy products directly to the reservoir before or during your steam session.

Is professional installation required?
Professional installation by a licensed plumber or steam shower contractor is strongly recommended. Improper installation may void the manufacturer warranty.

What finishes are available?
The K-5549-K1 is available in Polished Chrome, Brushed Nickel, Matte Black, Brushed Brass, Brushed Bronze, Polished Nickel, French Gold, and Vibranta Titanium.

Does this ship for free?
Yes — free shipping is included to the contiguous United States.