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Finlandia FLB S Series Sauna Heater 8kW, 6kW, 4.5kW, 3kW

Original price $895.00 - Original price $1,045.00
Original price
$895.00 - $1,045.00
Current price $895.00
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Finlandia FLB S Series Sauna Heaters 8kW, 6kW, 4.5kW, 3kW

Stones included with the Sauna!

The wall-mounted 8kW Finlandia FLB S home sauna heater is engineered to heat sauna rooms up to 425 cubic feet (CF). Features built-in controls and a polished stainless steel exterior for durability and corrosion resistance. 

The Finlandia FLB S electric sauna heater is engineered to heat up to 425 cubic feet (CF).

The wall-mounted FLB-80S sauna heater generates an intensely, penetrating heat. The unit is equipped with durable stainless-steel components, professional-grade stainless-steel heating elements, and features an exceptionally large rock capacity.

The FLB S features triple-wall construction for lower surface temperatures and greater safety. The heater is designed so that the rocks are in direct contact with the heating elements for greater efficiency. Its large rock capacity provides an even and consistent heat.

The sauna heating unit is equipped with a built-in control for simple and easy-to-use operation. The control includes a 60-mintue timer and a pre-set heating option of up to 8 hours for added convenience.

The Finlandia FLB S heater is available in 240V, single-phase (1-PH) configurations. The unit may be ordered with the standard red finish or the stainless-steel exterior (FLB -S).

When you buy a sauna, quality and value are important. Finlandia sauna heaters create a traditional Finnish sauna experience by filling the room with waves of powerful heat. Finlandia sauna units are perfect for any home sauna kit.

Finlandia heaters are made by Harvia Manufacturing in Finland. Finlandia and Harvia sauna heaters are UL and ETL listed for your safety.

The FLB S electric sauna stove carries a limited lifetime warranty and is fully serviceable.

Home Upgrade is proud to be an authorized Finlandia partner and offer the best sauna heaters from Finlandia for homes and health clubs.

We guarantee the lowest price. If you see this sauna heater for sale at a lower price, give us a call, we'll match it!


  • Wall-mounted
  • Stainless steel elements
  • Built-in controls with silent 60-minute timer, thermostat
  • 1-8 hr programmable timer clock allows sauna to be preset up to 8 hrs. in advance of heating
  • Controls can also be side-mounted for field adaption when control positioning is a factor
  • 240V/1PH operation
  • Optional Stainless Steel exterior
  • Industrial grade, serviceable heating elements
  • Exceptionally large rock capacity
  • Direct rock-to-heating element contact
  • 24"H x 16"W x 11"D
  • For sauna rooms up to 425 cu. ft.


Comes with:

  • Sauna heater
  • 50 Pounds of Igneous sauna stones
  • Installation and operation manual
  • Manufacturer's warranty



Model FLB80S
Kilowatt Rating 8.0KW
Cubic Feet
Minimum 250 CF
Maximum 425 CF
Heater Weight 40 lbs
Shipping Weight with Sauna Stones 90 lbs
Electrical Requirements
Operating Voltage 240V AC
Phase Single
Nominal Amperage 33.3 Amps
Recommended Minimum Copper Wire Supply 8 AWG
Width 16"
Depth 11"
Height 24"





The weight or packaging of this product requires delivery by special appointment, and on a wooden pallet.  

The driver is responsible for curbside delivery “only” and will lower the items to ground level.  

Prior to shipping this product, we contact customers to share shipment details and discuss any extenuating delivery circumstances that may complicate or cause additional delivery expenses.  

Our goal is to ensure your project's success.