HUUM CLIFF 11STU 11 kW Electric Sauna Heater Package with UKU Local Control + Stones

• Electric sauna heater package built around CLIFF floor heater and UKU Local control
• Model: CLIFF 11STU (package)
• Heater model: CLIFF 11
• Heater output: 11 kW (240 V)
• Heater output: 8.5 kW (208 V)
• Recommended sauna room volume (240 V): 354–566 ft³ (10–16 m³)
• Recommended sauna room volume (208 V): 265–424 ft³ (7.5–12 m³)
• Heater stone capacity: approximately 165 lb (75 kg)
• Heater dimensions: 10.6 in W × 10.6 in D × 38.4 in H (270 × 270 × 975 mm)
• Heater weight: 37.5 lb (17 kg)
• Floor-mounted heater design
• Heater delivery set includes electric heater
• Heater delivery set includes installation and operation manual
• Heater delivery set includes 2 blocks for disassembling heater slats/ribs
• Heater requires a control system and stones for operation
• Power cable entry located on the bottom cover of the heater
• Power cable is connected to a terminal block per circuit diagram
• Recommended circuit disconnect method installed before the sauna controller
• Recommended connection without a GFCI breaker (installation guidance)
• Stone size suitability: 1.2–1.9 in (3–5 cm)
• UKU Local is designed for on-site control from the wall control panel
• UKU Local heater compatibility: for heaters with power up to 11 kW
• UKU Local compatibility with extension box: up to 18 kW (with extension box)
• UKU Local temperature range: 104–230°F (40–110°C)
• UKU Local heating time options: 3 h, 6 h, 12 h, 18 h
• UKU Local power supply: 240 V 2~
• UKU Local includes CLASSIC control panel (standard set)
• UKU Local includes control panel cable: 118 in (3 m), 4×22 AWG
• UKU Local includes main module
• UKU Local includes temperature sensor
• UKU Local includes door sensor
• UKU Local includes sensor cables: 197 in + 197 in (5 m + 5 m), 2×24 AWG
• UKU main module placement requirement: installed in a dry location
• UKU main module protection rating: IP67
• UKU control panel placement requirement: installed outside the sauna room
• UKU supports connecting auxiliary devices such as sauna lighting and ventilation (supported outputs required)
• UKU includes overheating protection (system safety function)
• UKU includes child lock (system safety function)
• Limited warranty (private use): 3 years (electrical heaters)
• Limited warranty (commercial use): 1 year (electrical heaters)
• Limited warranty (private use): 3 years (control units)
• Limited warranty (commercial use): 1 year (control units)
• Warranty exclusions include heating elements (electric heaters)
• Warranty exclusions include sauna stones
• Warranty exclusions include sensors (controllers)

• Model: CLIFF 11STU (package)
• Heater Model: CLIFF 11
• Power (240 V): 11 kW
• Power (208 V): 8.5 kW
• Recommended Sauna Room Volume (240 V): 354–566 ft³ (10–16 m³)
• Recommended Sauna Room Volume (208 V): 265–424 ft³ (7.5–12 m³)
• Heater Dimensions (W×D×H): 10.6 in × 10.6 in × 38.4 in (270 × 270 × 975 mm)
• Heater Weight: 37.5 lb (17 kg)
• Stone Capacity: approximately 165 lb (75 kg)
• Stone Size Suitability: 1.2–1.9 in (3–5 cm)
• Breaker (240 V): 50 A
• Minimum Wire Size (240 V): 8 AWG
• Amperage (240 V): 43.75 A
• UKU Local Temperature Range: 104–230°F (40–110°C)
• UKU Local Heating Time Options: 3 h / 6 h / 12 h / 18 h
• UKU Local Power Supply: 240 V 2~
• Warranty (Heaters): 3 years private use / 1 year commercial use
• Warranty (Control Units): 3 years private use / 1 year commercial use

If you want a sauna heater package that pairs a tall stone-forward heater body with an integrated control system and sensors, CLIFF 11STU keeps the core components aligned. The CLIFF platform is designed around a substantial stone load and a narrow footprint, making it easier to fit into tighter layouts while still supporting the heat-and-steam style many sauna users prefer.
Choosing this package also reduces the guesswork of matching heater power, controller capability, and sensor set. With UKU Local, you get on-site wall control for temperature and heating time, plus included monitoring components like a temperature sensor and door sensor used by the control system.
At the brand level, HUUM focuses on coordinating heater designs and control systems as a single ecosystem, so the heater’s performance requirements and the controller’s capabilities are intended to work together. This can simplify installation planning and support a consistent ownership experience over time.

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.