HUUM CLIFF 9STU 9kW Sauna Heater Kit (UKU Local Black)

• CLIFF series electric sauna heater kit (package)
• Heater model: CLIFF 9 (included in kit)
• Package model: CLIFF 9STU
• Power rating: 9.0 kW (240V)
• Power rating: 7.1 kW (208V)
• Sauna room sizing (240V): 283–460 ft³
• Sauna stone capacity: 75 kg / 165.4 lb
• Floor-standing heater design
• Slim vertical heater form factor
• Small safety distances design intent
• Internal air tunnel construction
• Internal air tunnel accelerates heating by 25%
• Stainless steel heater body construction
• Heater uses stainless steel sheet cutouts (material utilization design)
• Removable rib slats for stone loading/stacking access
• Direct stone contact design with heating elements
• Included prop blocks for removal of heater rib slats (2 pieces)
• Heater weight: 35.2 lb (16 kg)
• Heater dimensions: 10.6 in W x 10.6 in D x 38.4 in H
• UKU control system included: UKU Local
• Included control console color: Black
• UKU control system temperature setting range: 104–230°F
• UKU delayed start scheduling: up to 48 hours
• UKU control supports on/off, time, temperature, and delay settings
• UKU control supports multiple language options (8)
• UKU displays set temperature and room temperature
• UKU temperature sensor included
• UKU door sensor included
• UKU main control module included
• UKU main module protection degree: IP67
• UKU includes cables for control panel, temperature sensor, and door sensor
• UKU control panel cable length: 118 in / 3 m (approx. 9.8 ft)
• UKU temperature sensor cable length: 197 in / 5 m (approx. 16.4 ft)
• UKU door sensor cable length: 197 in / 5 m (approx. 16.4 ft)
• UKU provides connections intended for lighting and ventilation control
• UKU overheat protection function
• UKU child safety lock function
• Included sauna stones: 165 lbs total
• Stone type: Olivine diabase sauna stones
• Stone shape: Rounded
• Stone size range: 1 in to 2 in (3–5 cm)
• Warranty (private use): Electrical heaters 3 years
• Warranty (commercial use): Electrical heaters 1 year
• Warranty (private use): Control units 3 years
• Warranty (commercial use): Control units 1 year
• Warranty exclusions include electric heater heating elements
• Warranty exclusions include sauna stones
• Safety distance A (CLIFF 9): 9.5 in (240 mm)
• Safety distance B (CLIFF 9): 29.5 in (750 mm)
• Safety distance C (CLIFF 9): 10.6 in (270 mm)

• Model: CLIFF 9STU
• Heater included: CLIFF 9
• UPC: 534-CLIFF90STULB
• Power rating (240V): 9.0 kW
• Power rating (208V): 7.1 kW
• Recommended sauna room size (240V): 283–460 ft³
• Stone capacity: 75 kg / 165.4 lb
• Heater dimensions (W x D x H): 10.6 in x 10.6 in x 38.4 in
• Heater weight: 35.2 lb (16 kg)
• Shipping weight with stones: 200 lb (91 kg)
• 240V single-phase amperage (heater): 37.5 A
• Circuit breaker (240V): 50 A
• Minimum wire size (240V): 8 AWG
• Circuit breaker (208V): 40 A
• Minimum wire size (208V): 8 AWG
• Stones included: 165 lb, 1–2 in rounded
• Warranty (private use): 3 years (electrical heaters), 3 years (control units)
• Warranty (commercial use): 1 year (electrical heaters), 1 year (control units)

If you want a sauna heater that prioritizes stone-forward heat in a compact footprint, this kit is built around that goal. The vertical CLIFF basket supports a substantial 165 lb stone load, helping produce mild, stable steam and a steadier room feel during longer sessions. The internal airflow design—built around an air tunnel that accelerates heating by 25%—helps move heat effectively through the stone cavity while keeping the overall form slim for space-conscious builds.
This kit is also practical from a build standpoint: it includes the matched UKU Local control system, required sensors, and the specified stone mass so your core heating components arrive aligned. That means fewer compatibility gaps during planning, and fewer last-minute add-ons to make the system complete.
HUUM focuses on sauna heating systems that emphasize materials, airflow, and rock capacity to shape the bathing feel. With stainless steel construction, a purpose-built stone basket, and a control platform designed for modern installations, this package fits builders who want a clean aesthetic and a complete set of essential components without overselling beyond what’s specified.

Typical delivery time: Most Huum orders arrive within 10 business days. Actual timing can vary by destination, carrier scheduling, and product availability.

Order Processing

• Order Verification: After you place an order, we confirm availability with Huum or an authorized distribution partner in our network.
• Payment Authorization: Once availability is confirmed, your payment method is charged.
• Order Placement: We then place the order with the supplier for fulfillment.
• Order Cutoff Time: Orders placed after 2:00 PM CST may begin processing the next business day.

Shipping Rates and Delivery Timeline

• Free Shipping: Shipping is FREE to the continental U.S. (lower 48 states).
• Handling Time: 1 to 10 business days
• Transit Time: 1 to 14 business days
• Affirm Note: Orders paid through Affirm can delay shipping timelines by 5 to 7 days.

Shipment Confirmation and Tracking

• You will receive a shipment confirmation email once your order ships with tracking details.
• Tracking may take up to 24 hours to populate after the label is created.
• The freight carrier may vary based on cost and service quality.
• Most freight carriers attempt to contact you 1 to 2 days before delivery to schedule a drop-off time, but this is not guaranteed.

Delivery Options

Standard Delivery

• Curbside delivery only. You are responsible for bringing the shipment inside.

Optional Upgrades

• White Glove Service: Inside delivery to a room of your choice. Does not include unpacking, assembly, or installation. Adds 2 to 5 business days for scheduling and coordination.
• Premium Installation Service: Inside delivery plus assembly and installation. May include electrical work depending on the product and site conditions. The base fee at checkout covers delivery and initial setup costs. Additional labor may be billed separately. Adds 2 to 5 business days for scheduling and coordination.

Pre Order and Special Order Items

• If an item is pre order or out of stock, we will email or call to confirm you are comfortable with extended shipping times before your payment is processed.
• Estimated timelines are estimates and may change due to production, freight, or carrier factors.
• Outside the lower 48 states: We can often arrange shipping, but it is not part of our standard offering. Contact us for a custom quote.

InHouse Wellness extends the HUUM manufacturer warranty to the original purchaser. Warranty coverage, terms, and remedies are set by HUUM. Any warranty claims should be communicated directly to HUUM.

Warranty Periods (from date of purchase)

Private / residential use

• Electric sauna heaters: 3 years
• Wood-burning heaters: 3 years
• Control units/controllers: 3 years
• Spare parts: 1 year

Commercial use

• Electric sauna heaters: 1 year
• Wood-burning heaters: 1 year
• Control units/controllers: 1 year
• Spare parts: 1 year

Commercial use definition: Includes business use, private use for commercial purposes, or private use exceeding 1,500 hours within a 12-month period.

What HUUM Covers

HUUM’s limited warranty covers defects in materials and workmanship under normal use during the applicable warranty period.

Requirements for Warranty Coverage (Key Points)

• Inspect promptly upon receipt and report any shipping/delivery damage within 7 days (or the authorized dealer’s shorter timeframe, if applicable).
• Products must be installed, connected, operated, and maintained according to HUUM manuals and all applicable local/national building, electrical, and fire-safety codes.
• Electrical products must be installed/connected by a licensed electrician, and proof may be required.
• The installed set must be complete as defined in HUUM documentation.
• The purchase price must be fully paid by the end-user.

How to File a Warranty Claim

• Notify HUUM without delay and no later than 30 days from discovering the defect or damage.
• If a visible defect/damage is discovered after delivery, submit the claim (with photos) before installation.
• Be prepared to provide:
• Product name/model and serial/batch/product number (when available)
• Description of the issue and photos (if possible)
• Description of the environment and conditions where the product was used
• Proof of purchase (invoice/receipt)
• Claims must be submitted within the warranty period.

What’s Not Covered (Common Exclusions)

The limited warranty does not cover defects/damage not caused by HUUM, including:

• Heating elements of electric heaters
• HUUM accessories
• Wood-burning stove door glass and ash grate
• Sauna stones (all heaters)
• Sensors for controllers
• Normal wear and cosmetic defects
• Damage from insufficient ventilation, constant humidity, corrosion/sooting/discoloration, or unsuitable storage/installation location
• Transportation/storage damage (including incorrect storage conditions)
• Failure to follow installation, use, or maintenance instructions
• Incorrectly sized/unsuitable product selection for the application
• Accidents, power surges, extreme weather, fires, earthquakes, or other “acts of God”
• Unauthorized repairs/modifications, non-original parts, or incompatible products
• Regular maintenance, cleaning, and periodic check-ups

When you’re investing in premium wellness equipment, you want more than just a good deal—you want the right partner. Here’s why our customers trust us over anyone else:

• Guaranteed Best Pricing – We work directly with manufacturers, so you never overpay. If you find a lower price, we don’t just match it—we beat it.
• Unbeatable Shipping Times – Even if others claim faster delivery, we win. Your order ships either from our Austin, TX warehouse or straight from the manufacturer—fast, reliable, and trackable.
• White Glove Delivery & Installation – We offer professional delivery, assembly, and installation so your new equipment is set up perfectly from day one.
• U.S.-Based, Real Support – Our team is right here in the USA, ready to help by phone, text, or email—before, during, and long after your purchase.
• Since 2011 – Over a decade of helping health and wellness consumers connect with top brands and the perfect products for their needs.
• Factory Warranties Included – Full manufacturer coverage on every product, plus our help if you ever need to file a claim.
• Exclusive Video & eBook Guides – From maintenance tips to usage tutorials, we give you the knowledge to get the most from your investment.

Bottom line: We don’t just sell equipment—we deliver the fastest shipping, the most reliable support, and the kind of buying experience you’ll tell your friends about.