Amerec Fonda 45B

In stock
SKU: Fonda 45B

SAVE $300.00

Regular price $1,640.00
Regular price -15% $1,940.00 Sale price $1,640.00
NO TAX (Except CA and WY in Golden Design Saunas)

Amerec Fonda 45B

Fonda B Series 4.5KW Sauna Heater, Amerec

Model: Fonda 45B
SKU: 9054-522

The Fonda 45B 4.5 kW sauna heater powers sauna rooms with dimensions up to 210 adjusted cubic feet (ACF).


Industry-leading quality and engineering have made Amerec sauna heaters legendary. Showcasing the latest in technology and innovation, the Amerec Fonda 45B sauna heater generates waves of deep, penetrating heat.

As a member of Amerec’s Fonda-B Series line of sauna heaters, the Fonda 45B is engineered to provide years of exceptional performance, safety, and efficiency. The unit is equipped with a stainless-steel outer shroud, industrial-grade, stainless-steel heating elements, and a black anodized aluminum top.

The Fonda 45B heater utilizes a built-in timer and temperature control to monitor the sauna environment. Mounted on the side of the heater, the control allows the user to adjust bathing time (1-60 minutes) and temperature.

The Fonda 45B has a power rating of 4.5 kilowatts and is available in 240V and 208V single-phase and three-phase configurations. The unit is available as a wall-mounted or floor-standing sauna oven.

The Fonda 45B includes the BWT (BioWater Technique) uses an integral water tank to provide two different sauna experiences from the same heater. The Fonda used with water in the BWT provides a lower heat (140-175°F) with more humidity for a gentle sauna experience, or the Fonda can be used like a traditional sauna heater with temperatures ranging from 175-190°F with humidity adjusted by ladling water over the rocks.

The Amerec Fonda 45B features a limited lifetime warranty, and unlike cheaper imitations, is fully serviceable. Fonda-B Series sauna heaters are UL listed to ensure safety and quality.

SteamSaunaBath is proud to be an authorized Amerec partner and offer the full line of Amerec products.

We guarantee the lowest price.  If you see a lower price advertised for this item elsewhere, give us a call!


  • Wall-mounted (optional Floor Stand available)
  • For sauna rooms from 100 to 210 adj. cu. ft.
  • Stainless steel construction
  • Industrial grade, serviceable heating elements
  • Operates with A30 or Pure2.0 controls (no contactor needed)
  • Exceptionally large rock capacity
  • Direct rock-to-heating element contact
  • BWT ready
  • UL listed


  • Heater
  • Sauna rocks 
  • Operation Manual
  • Limited Lifetime Warranty 


Model Fonda 45B
Shipping Weight 85 lbs
Minimum Adjusted Cubic Feet 100
Maximum Adjusted Cubic Feet 210
Kilowatt Rating 4.5 KW
Electrical Data by Voltage/Phase Selected Heater Electrical Chart
Width 16-1/2"
Depth 11"
Height 23"

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