Finlandia FLB-45S

FLB Series 4.5kW Sauna Heater


The wall-mounted 4.5kW Finlandia FLB-45S electric sauna heater features built-in controls and is engineered to heat home sauna rooms up to 210 cubic feet (CF). Features an attractive and corrosion-resistant polished stainless steel exterior.   Stones included!

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The Finlandia FLB-45S 4.5 kW electric sauna heater is engineered to heat up to 210 cubic feet (CF).

The wall-mounted Finlandia FLB-45S sauna heater fills the room with an intensely penetrating heat. The unit features stainless-steel components and professional-grade heating elements. Its large stone capacity ensures an even and consistent heat.

The FLB-45S is engineered for optimal air flow, heat retention, and humidity control. The heater puts the sauna rocks in direct contact with its heating elements for greater efficiency. Finlandia FLB Series sauna heaters feature triple-wall construction for lower surface temperatures and added safety.

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

The Finlandia FLB 45S 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-45-S).

When you buy a sauna, quality and value are important. The FLB-45S rewards bathers with a traditional Finnish sauna experience by generating waves of invigorating heat. Finlandia sauna units are made by Harvia and imported from Finland.

The FLB-45S electric sauna stove carries a limited lifetime warranty and is fully serviceable. Finlandia and Harvia Sauna heaters are UL-listed for your safety.

SteamSaunaBath 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!

SteamSaunaBath is the bathing environment experts. We specialize in steam room and sauna design, sales, installation, maintenance, and repair services. Our half-century of hands-on experience means that we are uniquely qualified to ensure the success of your bathing space and an unparalleled sauna experience. Contact a SteamSaunaBath technical bathing specialist to help you build a sauna at: (800) 707-2862.

  • 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
  • Stainless steel construction
  • 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 from 100 to 210 cu. ft.
  • Sauna heaters
  • 50 Pounds of Igneous sauna stones
  • Installation and operation manual
  • Manufacturer's warranty
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Model FLB45
Kilowatt Rating 4.5KW
Cubic Feet
Minimum 100 CF
Maximum 210 CF
Heater Weight 40 lbs
Shipping Weight with Sauna Stones 90 lbs
Electrical Requirements
Operating Voltage 240V AC
Phase Single
Nominal Amperage 18.8 Amps
Recommended Minimum Copper Wire Supply 10 AWG
Width 16"
Depth 11"
Height 24"