An Important Note on Pricing and Returns:
We believe in upfront pricing and fair policies—no hidden fees, no surprises, and easy, transparent
returns. If you're comparing options, we encourage you to review competitors’ fine print carefully.
We've helped countless customers who had issues elsewhere, and we’re here to make sure that never
happens to you.
Official Distributor
An Important Note on Pricing and Returns:
We believe in upfront pricing and fair policies—no hidden fees, no surprises, and easy,
transparent returns. If you're comparing options, we encourage you to review
competitors’ fine print carefully.
We've helped countless customers who had issues elsewhere, and we’re here to make sure
that never happens to you.
Starts at: $500.00/mo Learn More
Or
Monthly payments start at: $500.00/mo Learn More
Ships in 1-5 days at most
Includes $373.99 in bonuses with your order
The Primal Reset Guide
$24.99Free
Freight Protection, Fully Covered
$349Free
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The HUUM CORE BK/ST 9kW Sauna Heater offers a fully customizable exterior, allowing users to create personalized panels from tiles, stone, glass, or wood. Designed for sauna rooms up to 460 cubic feet, it delivers fast, even heating with direct stone contact for rich, luxurious steam.
Its compact footprint allows flexible placement, including embedding into benches. Crafted in Estonia, the heater combines durable stainless steel elements, modern design, and compatibility with UKU Controls for precise temperature and timer management, ensuring a tailored, high-performance sauna experience.
The HUUM CORE BK/ST 9kW combines robust heating performance with ultimate design flexibility. Its
stainless steel core ensures efficient energy use and direct contact with stones, producing abundant
steam.
Perfect for mid-sized saunas, it balances safety, durability, and personalization for a luxurious sauna
environment.
Customizable Design:
Personalize with tiles, stone, wood, or glass to match your sauna aesthetic.
Efficient Heating:
Provides rapid, even heating for sauna rooms up to 460 cu. ft.
Flexible Placement:
Compact design allows embedding into benches or tight spaces.
Durable Construction:
Industrial-grade stainless steel heating elements for longevity and reliability.
Precise Control:
Works seamlessly with UKU Controls for temperature and timer management.
Safe Operation:
Minimal safety distances ensure secure installation for residential and commercial use.
Powerful, customizable, and efficient, the HUUM CORE BK/ST 9kW enhances sauna experiences with flexible placement and rich steam production.
Four sturdy legs for stable and level installation.
Holds up to 66 lbs (30 kg) of sauna stones for optimal steam.
Works with UKU Controls for precise temperature and timer management.
Custom panels allow tiles, stone, wood, or glass personalization.
Every review is verified — we never edit or filter feedback.
Verified reviews
HUUM is an innovative Estonian company creating high-quality sauna heaters that blend exquisite design, smart technology, and traditional craftsmanship.
Founded by Siim Nellis, a third-generation sauna stove producer, HUUM draws on decades of expertise and Nordic sauna traditions.
Their award-winning designs, like the DROP heater, prioritize gentle steam, efficiency, and sustainability. Made in Estonia, HUUM brings the authentic sauna experience to the world.
Choose Peak Primal Wellness for a personalized, community-driven approach to health. We prioritize your well-being with high-quality products, tailored solutions, and 24/7 support.
As a family-owned business, we build lasting relationships, offering authentic, effective solutions to help you achieve your wellness goals.
Join our thriving community and embark on a journey toward optimal health with passionate professionals who genuinely care. At Peak Primal Wellness, you're not just a customer—you're family.
Support
Nearly impossible to reach a real person. Endless chatbot loops, auto-replies, and unreturned emails.
Real humans. We answer quickly. Always here, always helpful
Order Processing
Orders often sit for days before being acknowledged. No clear confirmation, updates, or timelines.
Orders are processed immediately. You'll receive confirmation, tracking, and real-time updates within hours.
Shipping
Slow, vague, and unoptimized. Basic carriers, minimal tracking, and delayed delivery windows.
Fast, insured, and fully trackable shipping — optimized for speed and visibility every step of the way.
Pricing
Hidden fees, bait and switch tactics, post purchase price increases.
Our relationships guarantee the lowest prices. Transparent and fair. No surprises at checkout, and no shady
tactics after the sale.
Returns & Warranty
Policies are confusing and designed to frustrate, delay, and deny returns with zero accountability.
Clear, honest, and fast. Our return policy is built to protect your investment, not dodge responsibility.
Support
Frustrating automated responses
Fast, helpful and always supportive
Order Processing
Delays and lack of communication
Instant processing and updates
Shipping
Slow, unreliable and delayed service
Fast, insured, trackable shipping
Pricing
Deceptive pricing practices
Lowest prices, no surprises
Return & Warranty
Frustrating, misleading return policies
Clear, honest return policy
Read their reviews where they can't curate them, Trustpilot, not their own widget; read the one-star reviews and watch how they respond when freight goes sideways. You can see our Trustpilot reviews here
Ask what happens when a unit arrives damaged, you're listening for a person who owns it, not store-blames-manufacturer ping-pong.
Get the delivered price in writing before payment, "freight quoted after purchase" is the oldest move in the category.
Ask for a name, if nobody owns your order, nobody owns your problem.
What comes with every order
Bonus 1
Stop guessing and start your wellness journey with a plan. The Primal Reset Guide gives you a clear framework for building consistent routines, understanding your sessions, and staying on track as you progress. Instant delivery to your inbox after purchase.
Bonus 2
Your large order ships fully insured, so you're covered from our warehouse to your door. If something goes wrong, you don't have to spend hours on the phone with FedEx or the manufacturer. Our Shipping Concierge Service handles the calls, claims, and coordination for you, using our established relationships to get solutions moving faster. Inspect your delivery before signing off and document any damage right away.
| Brand | HUUM |
| Model | CORE BK/ST 9kW |
| SKU | H1013042 |
| Room Size | 283–460 cu. ft. |
| Wattage | 9,000 W |
| Voltage | 240V / 1PH |
| Amperage | 37.5 A |
| Stone Capacity | 66 lbs (30 kg) |
| Dimensions | 12.2"W x 12.2"D x 32.7"H |
| Weight | 41.9 lbs (19 kg) |
HUUM provides a 3-year limited warranty for private use on the
CORE BK/ST heater, covering defects in materials and workmanship. Commercial use is covered for
1 year. The heater must be installed, operated, and maintained
according to HUUM’s instructions, with electrical installation completed by a licensed professional
electrician.
The warranty excludes heating elements, sauna stones, normal wear, cosmetic defects, and damage caused
by improper installation, storage, or use. For eligible claims, HUUM may repair or replace the
product, issue a refund, or offer a price reduction. Claims must be submitted through an authorized
dealer with proof of purchase.
Bathing Brands accepts returns of new, uninstalled items within 30 days of purchase. Contact us
promptly for a Return Authorization Number. For shipping damage, include photos and note if damage was
recorded upon delivery. Bathing Brands covers return shipping for damages or errors. For
change-of-mind returns, restocking fees are case-by-case, and customers cover shipping both ways. We
recommend insured shipping via the original method (Ground or LTL). Once returned, items are
inspected, and if damaged, you’ll be notified to file a claim with your shipper. Refunds are processed
after inspection. Custom or special-order items are non-returnable.
To request a return or refund, customers can use our contact form, email
(info@peakprimalwellness.com)
, or phone - (877) 689-4898. Once the product is inspected and confirmed to be in brand new condition, we will initiate the
refund, which typically takes 5-7 business days to post back to the original payment method. Refunds
can be applied via the customer’s preferred method, including card or bank transfer. Shipping
instructions and the return address will be provided upon contacting customer service. Please include
photos if the product arrives damaged.
Click here
to view our complete return policy for more details.
Customers may contact us by phone or email anytime to inquire about the status of their order. While we may not always have a tracking link available before the order ships, we are happy to check its current status for you. If an item is never received, please contact us immediately. We will promptly file a claim on your behalf and ship a replacement to ensure you receive your product as soon as possible. Click here to view our complete Shipping policy for more details.
The 9kW CORE BK/ST is ideal for sauna rooms between 283–460 cubic feet.
Yes, you can create a unique look using tiles, stone, glass, or wood panels.
Yes, it works with UKU Controls (sold separately) for temperature and timer management.
Holds up to 66 lbs (30 kg) of sauna stones for optimal steam production.
Yes, its compact design allows embedding into benches for a seamless look.
Designed, engineered, and manufactured in Estonia, reflecting authentic Nordic craftsmanship.
3-Year limited residential warranty and 1-Year commercial warranty (excluding heating elements).
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