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Finnmark FD-4 Trinity 2 Person Hybrid Infrared & Traditional Sauna – Canadian Hemlock Wood
2-Person Home Sauna with Infrared & Traditional Heat – 48"W x 48"D x 78"H
The Trinity Combination Sauna is the only sauna available that combines Finnmark’s UL listed Spectrum Plus infrared heaters with a Harvia Vega 120V traditional heater, plus true medical grade red light therapy.
Eco-Friendly and Efficient Design
No need to compromise. Finnmark’s FD-4 Trinity is the only combination sauna featuring true UL listed infrared heaters combined with a traditional sauna heater. Experience all the benefits of infrared heat together with traditional rocks and steam.
Contemporary Amenities for an Enhanced Sauna Experience
Get hot fast! The only infrared heaters that have passed rigorous Underwriter Laboratories testing are used alongside a traditional steam sauna stove.
Short wave far-infrared penetrates muscles and joints, helping you sweat up to 25 times more than carbon panel heaters.
The Harvia Vega traditional 1.9kW sauna heater allows you to pour water onto heated rocks for a luxurious steam sauna experience. Enjoy the intensity and benefits only a true steam sauna can provide.
Red light therapy is a form of phototherapy using low-level light wavelengths that penetrate the skin and stimulate collagen and protein production, offering multiple potential wellness benefits. It is a perfect enhancement to your sauna wellness ritual.
Features
- Spectrum Plus™ UL Listed short wave infrared heaters for deep penetrating heat, up to 25x more than standard carbon panel heaters
- Spectrum Red Light™ Therapy: 192 diode medical grade LED panel producing 650nm red light therapy combined with chromotherapy
- Antimicrobial Western Canadian cedar interior that resists mold, bacteria, and fungus
- Thermal Plus™ Aspen exterior that will not rot, warp, decay, or chip, making FinnMark Design saunas among the healthiest and longest lasting
- 3-IN-ONE Combination sauna: UL listed infrared heaters + traditional steam heater + medical grade red light therapy
- Built-in LCD touchscreen controller with Bluetooth audio
- Audio system with 6" HiFi marine grade speakers
- 8mm tempered glass for optimal thermal retention
- Extra large two-tier bench system
- Low EMF sauna tested by a NASA award-winning testing facility
- High Emissivity infrared heaters
Harvia Vega Compact 1900
- Wall-mounted design
- Stainless steel construction
- 1.9kW
- For sauna rooms from 70 to 106 cu. ft.
- Requires a minimum of 29 lbs of sauna stones (1 Box-AC3000)
- Each natural stone is unique in shape and size. Additional box recommended for optimal fit and performance (additional freight charges apply)
- Built-in controls
- Ergonomic operating switches
- Switches can be installed on right or left side of heater
- Designed, engineered, and made in Finland
- Dimensions: 11"W (279mm) x 11"D (279mm) x 21"H (533mm)
- 2-Year Warranty (consumer use)
- Manufacturer’s note: Proper sauna stone maintenance is required to maintain warranty validity
Package Contents
Bottom Panel
Top Panel
Back Panel
Front Panel
Left Panel
Right Panel
Glass Door
Bench Support
Bench Top
Heater Cable
Floor Cable
Screws
Power Supply Unit
Power Cable
Interior Heater Connections with Wood Cover
Door Handle (2 Screws)
Removable and adjustable sauna feet for uneven surfaces
Infrared Sauna Heater Panels
Spectrum LED near infrared ceiling lights with medical grade Spectrum Red Light therapy
Controller 2.0 with built-in LCD touchscreen and Bluetooth audio
Audio upgrade with 6" HiFi speakers
8mm tempered glass for optimal thermal retention
ETL Certification
Limited Warranty
Specifications
| Model | FD-4 |
|---|---|
| External Materials | Thermo-Aspen |
| Interior Materials | Western Red Cedar |
| Volts | 120 |
| IR Watts | 1750 |
| Amperage | 15/20 |
| Plug Type | NEMA 5-15P |
| Outlet | Standard 120v 20a |
| Maximum Temperature | IR 170F - Traditional 190F |
| Interior Dimensions | 44"W x 45'D x 75"H |
| Exterior Dimensions | 48"W x 48"D x 83"H |
| Room Volume | 86 cu. ft. |
| Door Dimensions | 23.625"W x 68.875"H |
| Door Handle Dimensions | 1.5"W x 13.25"H |
| Glass Thickness | 8mm W/Gasket |
| Product Weight | 437 lbs |
| Shipping Dimensions | 36"W x 80"D |
| Shipping Weight | 485 lbs W/48 lb Pallet |
Resources
Learn how Infinity Saunas ships your sauna safely to your door. Find details on delivery times, freight shipping, and what to expect when your order
Finnmark saunas include a 10-year residential warranty, with lifetime coverage on Spectrum Plus™ infrared heaters.
2-Person Home Sauna with Infrared & Traditional Heat – 48"W x 48"D x 78"H
The Trinity Combination Sauna is the only sauna available that combines Finnmark’s UL listed Spectrum Plus infrared heaters with a Harvia Vega 120V traditional heater, plus true medical grade red light therapy.
Eco-Friendly and Efficient Design
No need to compromise. Finnmark’s FD-4 Trinity is the only combination sauna featuring true UL listed infrared heaters combined with a traditional sauna heater. Experience all the benefits of infrared heat together with traditional rocks and steam.
Contemporary Amenities for an Enhanced Sauna Experience
Get hot fast! The only infrared heaters that have passed rigorous Underwriter Laboratories testing are used alongside a traditional steam sauna stove.
Short wave far-infrared penetrates muscles and joints, helping you sweat up to 25 times more than carbon panel heaters.
The Harvia Vega traditional 1.9kW sauna heater allows you to pour water onto heated rocks for a luxurious steam sauna experience. Enjoy the intensity and benefits only a true steam sauna can provide.
Red light therapy is a form of phototherapy using low-level light wavelengths that penetrate the skin and stimulate collagen and protein production, offering multiple potential wellness benefits. It is a perfect enhancement to your sauna wellness ritual.
Features
- Spectrum Plus™ UL Listed short wave infrared heaters for deep penetrating heat, up to 25x more than standard carbon panel heaters
- Spectrum Red Light™ Therapy: 192 diode medical grade LED panel producing 650nm red light therapy combined with chromotherapy
- Antimicrobial Western Canadian cedar interior that resists mold, bacteria, and fungus
- Thermal Plus™ Aspen exterior that will not rot, warp, decay, or chip, making FinnMark Design saunas among the healthiest and longest lasting
- 3-IN-ONE Combination sauna: UL listed infrared heaters + traditional steam heater + medical grade red light therapy
- Built-in LCD touchscreen controller with Bluetooth audio
- Audio system with 6" HiFi marine grade speakers
- 8mm tempered glass for optimal thermal retention
- Extra large two-tier bench system
- Low EMF sauna tested by a NASA award-winning testing facility
- High Emissivity infrared heaters
Harvia Vega Compact 1900
- Wall-mounted design
- Stainless steel construction
- 1.9kW
- For sauna rooms from 70 to 106 cu. ft.
- Requires a minimum of 29 lbs of sauna stones (1 Box-AC3000)
- Each natural stone is unique in shape and size. Additional box recommended for optimal fit and performance (additional freight charges apply)
- Built-in controls
- Ergonomic operating switches
- Switches can be installed on right or left side of heater
- Designed, engineered, and made in Finland
- Dimensions: 11"W (279mm) x 11"D (279mm) x 21"H (533mm)
- 2-Year Warranty (consumer use)
- Manufacturer’s note: Proper sauna stone maintenance is required to maintain warranty validity
Package Contents
Bottom Panel
Top Panel
Back Panel
Front Panel
Left Panel
Right Panel
Glass Door
Bench Support
Bench Top
Heater Cable
Floor Cable
Screws
Power Supply Unit
Power Cable
Interior Heater Connections with Wood Cover
Door Handle (2 Screws)
Removable and adjustable sauna feet for uneven surfaces
Infrared Sauna Heater Panels
Spectrum LED near infrared ceiling lights with medical grade Spectrum Red Light therapy
Controller 2.0 with built-in LCD touchscreen and Bluetooth audio
Audio upgrade with 6" HiFi speakers
8mm tempered glass for optimal thermal retention
ETL Certification
Limited Warranty
Specifications
| Model | FD-4 |
|---|---|
| External Materials | Thermo-Aspen |
| Interior Materials | Western Red Cedar |
| Volts | 120 |
| IR Watts | 1750 |
| Amperage | 15/20 |
| Plug Type | NEMA 5-15P |
| Outlet | Standard 120v 20a |
| Maximum Temperature | IR 170F - Traditional 190F |
| Interior Dimensions | 44"W x 45'D x 75"H |
| Exterior Dimensions | 48"W x 48"D x 83"H |
| Room Volume | 86 cu. ft. |
| Door Dimensions | 23.625"W x 68.875"H |
| Door Handle Dimensions | 1.5"W x 13.25"H |
| Glass Thickness | 8mm W/Gasket |
| Product Weight | 437 lbs |
| Shipping Dimensions | 36"W x 80"D |
| Shipping Weight | 485 lbs W/48 lb Pallet |
Resources
Learn how Infinity Saunas ships your sauna safely to your door. Find details on delivery times, freight shipping, and what to expect when your order
Finnmark saunas include a 10-year residential warranty, with lifetime coverage on Spectrum Plus™ infrared heaters.
FAQ
Shipping
Orders are usually processed within 1 business day and delivered within 3–5 business days, depending on your location and the shipping carrier schedule. Large sauna units are shipped via freight delivery.
Your sauna will be delivered via curbside freight delivery. This means the carrier will deliver it to the nearest accessible point outside your home or building (such as your driveway or curb).
Other
Yes. Once your order ships, you will receive full tracking details so you can follow your delivery step by step.
Yes. All saunas include a manufacturer’s warranty that covers defects in materials and workmanship for a specific period, depending on the model.
Due to the size, handling, and special shipping requirements of sauna units, all sales are considered final. However, if your product arrives damaged or defective, we will arrange a replacement or resolution at no extra cost.
Orders can be canceled within 24 hours of purchase, as long as they have not yet been processed or shipped.
We accept all major credit cards and secure online payment methods to ensure a safe and smooth checkout experience.
Yes. Our support team is available to assist you after your purchase with setup guidance, delivery questions, and product support to ensure a smooth experience.
