Finnmark Accessories Finnmark Spectrum Plus 4' x 4' Infrared Heater Panel Kit
Finnmark Accessories Finnmark Spectrum Plus 4' x 4' Infrared Heater Panel Kit
Finnmark Accessories Finnmark Spectrum Plus 4' x 4' Infrared Heater Panel Kit
Finnmark Accessories Finnmark Spectrum Plus 4' x 4' Infrared Heater Panel Kit
Finnmark Accessories Finnmark Spectrum Plus 4' x 4' Infrared Heater Panel Kit
Finnmark Accessories Finnmark Spectrum Plus 4' x 4' Infrared Heater Panel Kit
Finnmark Accessories Finnmark Spectrum Plus 4' x 4' Infrared Heater Panel Kit
  • Spectrum Plus™ Infrared Heaters (7)
  • 120V 20A Power Cable
  • C14 Whips (6)
  • Control Extension Cable
  • Temperature Sensor
  • Temperature Sensor Mount Bracket
  • Temperature Sensor Extension Cable
  • Unlimited Lifetime Warranty on Spectrum Plus™ Infrared Heaters
Model SP4X4
Frame Material Cedar Wood
Maximum Temperature Setting 170°F (76.7°C)
Wattage 2100
Voltage 120
Amperage 17.5
Phase Single
Installation type Pocket
Room Size 4' x 4' (1.2 m x 1.2 m)
Panel Dimensions 9"W (22.9 cm) x 2"D (5.1 cm) x 32"H (81.3 cm)
Shipping Dimensions 41"W (104.1 cm) x 16"D (40.6 cm) x 21"H (53.3 cm)
Shipping Weight 39.7 lbs (18 kg)
  • 170°F max temperature
  • Certified low EMF technology
  • Short wave far infrared heaters provide intense heat
  • Fastest heating time
  • Highest watt density making heaters reach 350+ degrees
  • Up to 55% more infrared heat when compared to standard carbon panel heaters
  • 99% emissivity
  • Spectrum Plus Tune™
  • Spectrum Plus Heat Shock™ technology
  • Non-toxic materials
  • Unlimited lifetime warranty on Spectrum Plus™ Infrared Heaters
  • Room Size: 4' x 4' (1.2 m x 1.2 m)
  • Panel Dimensions: 9"W (22.9 cm) x 2"D (5.1 cm) x 32"H (81.3 cm)

The Finnmark Designs Spectrum Plus™ infrared heater kit is designed for DIY infrared sauna construction and retrofitting existing sauna cabins. Featuring low EMF technology, high-emissivity Incoloy heating elements, and greater watt density, this heating system offers a solution for custom infrared sauna installations. Its heavy-duty, commercial-grade power supply is designed to support daily use and continuous high-demand heating cycles.

The system can heat sauna cabins to temperatures as high as one hundred seventy degrees Fahrenheit. It is designed to complement wellness routines focused on relaxation, post-workout muscle and joint comfort, and circulation. Sauna sessions may also support relaxation, sleep quality, and skin care as part of an overall wellness routine.

Best Uses

  • Building a custom infrared sauna
  • Retrofitting an existing infrared sauna cabin
  • Upgrading an infrared sauna heating system
  • Creating a home infrared wellness space
  • Supporting post-workout relaxation routines
  • Enjoying heat sessions for muscle and joint comfort
  • Incorporating sauna sessions into relaxation routines
  • Supporting circulation through heat exposure
  • Establishing a regular home sauna routine
  • Incorporating infrared heat into a wellness regimen

Yes, we really do offer FREE shipping! We will send your order at no additional cost to anywhere in the lower 48 states in the US. If you have questions about shipping to Alaska or Hawaii, please contact us through our live chat to discuss a custom freight quote.

Finnmark Spectrum Plus 4' x 4' Infrared Heater Panel Kit

Sale price$2,796.67 Regular price$3,699.00
You Save $902.33 (24% Off)
Quantity:
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Sauna Specialist
Exclusive Offer Talk to our Sauna Specialist to unlock an exclusive offer
  • Spectrum Plus™ Infrared Heaters (7)
  • 120V 20A Power Cable
  • C14 Whips (6)
  • Control Extension Cable
  • Temperature Sensor
  • Temperature Sensor Mount Bracket
  • Temperature Sensor Extension Cable
  • Unlimited Lifetime Warranty on Spectrum Plus™ Infrared Heaters
Model SP4X4
Frame Material Cedar Wood
Maximum Temperature Setting 170°F (76.7°C)
Wattage 2100
Voltage 120
Amperage 17.5
Phase Single
Installation type Pocket
Room Size 4' x 4' (1.2 m x 1.2 m)
Panel Dimensions 9"W (22.9 cm) x 2"D (5.1 cm) x 32"H (81.3 cm)
Shipping Dimensions 41"W (104.1 cm) x 16"D (40.6 cm) x 21"H (53.3 cm)
Shipping Weight 39.7 lbs (18 kg)
  • 170°F max temperature
  • Certified low EMF technology
  • Short wave far infrared heaters provide intense heat
  • Fastest heating time
  • Highest watt density making heaters reach 350+ degrees
  • Up to 55% more infrared heat when compared to standard carbon panel heaters
  • 99% emissivity
  • Spectrum Plus Tune™
  • Spectrum Plus Heat Shock™ technology
  • Non-toxic materials
  • Unlimited lifetime warranty on Spectrum Plus™ Infrared Heaters
  • Room Size: 4' x 4' (1.2 m x 1.2 m)
  • Panel Dimensions: 9"W (22.9 cm) x 2"D (5.1 cm) x 32"H (81.3 cm)

The Finnmark Designs Spectrum Plus™ infrared heater kit is designed for DIY infrared sauna construction and retrofitting existing sauna cabins. Featuring low EMF technology, high-emissivity Incoloy heating elements, and greater watt density, this heating system offers a solution for custom infrared sauna installations. Its heavy-duty, commercial-grade power supply is designed to support daily use and continuous high-demand heating cycles.

The system can heat sauna cabins to temperatures as high as one hundred seventy degrees Fahrenheit. It is designed to complement wellness routines focused on relaxation, post-workout muscle and joint comfort, and circulation. Sauna sessions may also support relaxation, sleep quality, and skin care as part of an overall wellness routine.

Best Uses

  • Building a custom infrared sauna
  • Retrofitting an existing infrared sauna cabin
  • Upgrading an infrared sauna heating system
  • Creating a home infrared wellness space
  • Supporting post-workout relaxation routines
  • Enjoying heat sessions for muscle and joint comfort
  • Incorporating sauna sessions into relaxation routines
  • Supporting circulation through heat exposure
  • Establishing a regular home sauna routine
  • Incorporating infrared heat into a wellness regimen

Yes, we really do offer FREE shipping! We will send your order at no additional cost to anywhere in the lower 48 states in the US. If you have questions about shipping to Alaska or Hawaii, please contact us through our live chat to discuss a custom freight quote.

FAQ

GENERAL INQUIRIES

We are located in Indianapolis, Indiana.

Get what you need now with flexible ways to pay. Choose from payment and financing options at checkout, including installment plans that let you spread the cost of your purchase over time.

SHIPPING

Shipping in the Continental U.S. is free!

Since we carry different brands our products also ship from different locations.  See the list below:

  • Almost Heaven Saunas -  West Virginia
  • Dundalk Leisure Craft - Canada
  • Harvia - Portland
  • Baltic Leisure - Pennsylvania
  • Saunacore - Canada
  • TheraSauna- Iowa

The list below is the current delivery timeline by brand:

  • Almost Heaven Barrel Saunas - 6 to 8 Weeks
  • Almost Heaven Indoor Saunas - 4 to 6 Weeks
  • Amba Products - 1 to 2 weeks
  • Baltic Leisure - 3 to 4 weeks
  • Dundalk Leisure Craft -  Approximately 1 to 2 weeks after the estimated build date
  • Golden Designs Sauna - Within 1 week
  • Saunacore - 2 to 3 weeks
  • TheraSauna - 10 to 12 weeks

We currently do not ship to Alaska but if you are really interested we can request for a custom freight quote.

SAUNA ASSEMBLY

It is an easy assembly. Here is the link to our video gallery for a quick look.

The sauna comes in a crate. You'll need to assemble it but it is a very quick assembly.