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Kohler K-5539-NA 18kW Steam Shower Generator

by Kohler
SKU K-5539-NA
Save 25% Save 25%
Original price $7,088.10
Original price $7,088.10 - Original price $7,088.10
Original price $7,088.10
Current price $5,316.08
$5,316.08 - $5,316.08
Current price $5,316.08
in stock, ready to be shipped

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Price Match Policy

Price Match

Here at OffGrid Living Solutions, we want to offer you the best prices online.

If you happen to find a lower price for the same product, we will guarantee to match their price or beat their price. Note, this does not apply to all products in the store. Please reach out to us via email or chat if you want a price match or price beat.

For the policy to apply, please send us a screenshot, link, or any other evidence of the product being priced lower than ours before making the purchase.

Refer to our Price Match Policy Rules.

Refunds & Returns Policy

At OffGrid Living Solutions, we are proud to have the best refund and return policies in the industry. If you’re not satisfied with your purchase for any reason, you may return it to us within 30 days for a refund.

If you have a problem with our order (there are missing components, damages, or the product is not functioning), please reach out to us as quickly as possible. Some of the problems can be resolved by going through the product manual or the product FAQs.

Refer to our Refunds & Return Policy for more details.

Shipping & Delivery

Order Processing

Once we receive your order, we will send you a confirmation email. Then we will process the order by confirming that the product is in stock and ready for shipment. If any of the items in your order are back-ordered, we will reach to you via email or phone and you may choose to either wait or receive a 100% refund.

Please allow 1-3 days for processing your order.


We ship to the lower 48 continental United States only at this time.

Shipping times and shipping method will depend on the specific product and brand you purchase. If you have any shipping question, feel free to ask on the chat or email us at info@offgridlivingsolutions.com.

We will send tracking information by email the same day the shipping tracking number is created/available.

Before you sign the shipping bill, please THOROUGHLY INSPECT YOUR ITEM. Signing for the receipt of a damaged product removes the liability of the shipping company and OffGrid Living Solutions. Once you accept your shipment as non-damage, your item is your property.

Delivery time

Shipping Timeline listed above is an estimate. Please call or message the web chat for precise ETAs.

Kohler K-5539-NA 18kW Steam Shower Generator


The Kohler Invigoration K-5539-NA 18kW steam shower generator, featuring Kohler's Fast Response Technology, is engineered to power steam rooms up to 550 cubic feet (CF).

Break free from the stress of everyday life with the push of a button and just 60 seconds. This 18-kilowatt steam generator will transport you into total relaxation with the purifying benefits of steam in your own personal shower environment. The irresistible benefits involve cleansing the body of impurities and toxins along with respiratory relief.

Kohler Power Clean™ Feature which flushes sediment out of the generator through the steam head completely eliminates the need for manual flushing, all at the touch of a button. The Kohler Invigoration K-5539-NA 18kW steam shower generator is designed to greatly decrease temperature fluctuations by creating a consistent steam rate. Along with an easy to read and use interface controlling temperature, time, and operation gives you everything you want.

However this steam generator is also eco-friendly by using notably less water, approximately one gallon of water per 20-minute session. Along with innovative safety features like durable construction utilizing stainless steel to maintain temperature while still allowing the case to be safe to touch and auto shutoff after 20 minutes if not reactivated. 

Required Control kit, Adapter kit and drain pan sold separately.

What's Include

  • Steam Generator
  • Installation & Operation Manual
  • 3 Year Limited Warranty

Product Specifications

    Kohler K-5539 Steam Generator Product Specifications

    Model K-5539-NA
    Kilowatt Rating 18 KW
    Maximum Cubic Feet 550 CF
    Heater Weight 29 lbs (Per Generator)
    240V Amperage 45 Amps (Per Generator)
    Width 19.25" (489mm Per Generator)
    Depth 8.5" (216mm Per Generator)
    Height 12.5" (318mm Per Generator)

    Product Features

    • Insulated Stainless Steel
    • Corrosion Resistant
    • Tarnish Resistant
    • Fast Response Technology Steam in 60 seconds
    • One touch automatic cleaning
    • Maintains Temperature
    • Safe to the Touch
    • Available in 240V
    • 19.25"W x 8.5"D x 12.5"H (per generator)
    • For steam rooms up to 550 cu. ft.
    • 3 Year Limited Warranty

    Product Manual

    Kohler K-5539-NA Installation and Care Guide

    Kohler K-5539 Service Parts

    Product Warranty, Refund and Return Policy

    Product Warranty

    Product FAQs


    Our customer service agents are ready to support you!


    Talk to one of our trusted experts today! Our dedicated customer support team is here to provide any assistance that you have. Feel free to place an order over the phone (415) 481-4075 or send us your inquiry via chat.