Finnleo Sentinel Series
Sentinel 3 is listed in the Southern Leisure catalogue as a Finnleo sauna in the Sentinel Series collection. Confirm current finishes, included equipment and regional availability with your showroom.
Sentinel 3 Sauna
Finnleo Sentinel 3: room for up to 3, Sentinel Series infrared saunas.
3 peopleCapacity
InfraredSauna type
43 1/2” D x 73” W x 76 3/4” HSize
20 Amp / 120VPower
Authorized Dealer
Site Planning Guidance
Delivery & Placement
Manufacturer Warranty
Complete model guide
Everything to know about the Sentinel 3.
Model details, options and planning in one place.
The Finnleo Sentinel 3 brings the indoor infrared format into a three-person room with a manufacturer-listed width of 73 inches. Compare its bench space with the Sentinel 2 when deciding how you will use the sauna. Plan for the complete exterior dimensions, opening door and electrical connection.
Sentinel 3 is available through Southern Leisure showrooms in Arlington, Flower Mound, Richardson, Austin and San Antonio. Ask a local product specialist about display models, delivery and current dealer pricing.
- Seating capacity
- 3 people
- Saunas Type
- Infrared Saunas
- Style
- Free-Standing
- Heating Method
- Electric
- Shape
- Rectangular
- Frame Material
- Wood
- Installation Area
- Indoor
- Size
- 73.00" x 43.50" x 76.56"
- Exterior Dimensions
- 43 1/2” D x 73” W x 76 3/4” H
- Interior Dimensions
- 39 1/2” D x 69 1/2” W x 71 1/2” H
- Door Dimensions
- 22 1/4” W x 70 1/4” H
- Weight
- ~474 lbs.
- Square Footage
- 21.9 ft²
- Cubic Footage
- 112.7 ft³
- Electrical Options
- 120V / 20 Amp / 1.2 kW
- Cord Length
- ~9’
- Exterior Material
- Okoume
- Interior Material
- Okoume
- Insulation
- 1.5” Ceiling
- Assembly System
- “Pin-and-Hook” Wall Locking Sytem
- Door Type
- Clear Glass
- Clearance Required
- 3” Sides, 5” Above
- Part Number
- 6000-454
- Heater Model
- Pure Infra (1.2 kW)
- LED Lighting
- 6-Color; Wall, Bench, and Exterior Floor Entry
- Control Type
- SaunaLogic2®-IR
- IR Emitters
- 5 years
- Wood Cabinet
- 5 years
- Controls
- 5 years
Wireless Connectivity
Included with this model.
Plug & Play
Included with this model.
Color Changing
Included with this model.
Bluetooth
Included with this model.
Made in USA
Included with this model.
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Before you choose the Sentinel 3.
Clear answers for planning the product, site and delivery.Yes. Ask Arlington, Flower Mound, Richardson, Austin or San Antonio whether this model or a close comparison is currently on display. Showroom selection changes, so confirm before you travel.
Finnleo owner notice · September 17, 2026
Check your infrared or hybrid sauna.
The U.S. CPSC has recalled specified Finnleo infrared and hybrid saunas and infrared kits because panels can overheat. Sauna360 has also paused infrared-product shipments. Most Finnleo infrared and hybrid models are paused in our shop. Before you buy any infrared or hybrid sauna, ask your showroom about that exact unit. Hekla saunas come from a different maker and are not named in this recall.
If you own one, check its model and serial number with Sauna360. The official notice tells affected owners to stop using the sauna and arrange a free in-home repair. A model name alone cannot establish whether your unit is affected or already remedied.
Sauna360 recall support: (866) 936-5962 · recall@sauna360.com
Sentinel 3 vs. other saunas.
Same build quality. Different size, seating and features.
| Specification |  Sentinel 3 |  Twilight Sauna |  Solace Sauna |  Centurion Sauna |
|---|---|---|---|---|
| Saunas Type | Infrared Saunas | Traditional Saunas | Traditional Saunas | Traditional Saunas |
| Style | Free-Standing | Free-Standing | Free-Standing | Free-Standing |
| Heating Method | Electric | Electric | Electric | Electric |
| Shape | Rectangular | Rectangular | Rectangular | Rectangular |
| Frame Material | Wood | - | - | - |
| Seating Capacity | 3 People | 4–5 people | 4–5 people | 4–5 people |
| Installation Area | Indoor | Indoor | Indoor | Indoor |
| Size | 73.00" x 43.50" x 76.56" | 84.00" x 72.00" x 84.00" | 84.00" x 72.00" x 84.00" | 84.00" x 72.00" x 84.00" |
| Link | This model | View Twilight Sauna → | View Solace Sauna → | View Centurion Sauna → |