PRO Series III 750 Steam Generator (20kW)

$5,562best price, at Finnish Sauna Builders · 3 sellers, up to $5,562

steam generator

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Prices checked Sep 29, 2026. Freight, wiring and a pad usually add more; the cost calculator totals them.

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The price ledger

Same product, 3 sellers

Cheapest first. Prices checked Sep 29, 2026; confirm freight and what's included before you buy.

01Finnish Sauna BuildersBest price · in stock$5,562View
02Steam Sauna SupplySame as the best price · in stock$5,562View
03Shop Mr. SteamSame as the best price · in stock$5,562View

Compare across brands

How it stacks up

	This oneThermaSol PRO Series III 750 Steam Generator (20kW)	Mr. SteamMS MAX Series Steam Shower Generator 30kW 240V/1PH MX6R2401	AmerecAK28 - 28KW Steam Generator 850 - 1100 Cubic Ft (2 - 14KW Generators)	KohlerInvigoration 2.0 Steam Shower 15kW Generator	SteamistSM Plus Series 20kW Steam Shower Generator
Lowest price	$5,562Lowest	$5,565	$5,598	$5,650	$5,650
Sold by	3 sellers, up to $5,562	8 sellers, up to $7,950	Sauna Kit Co only	2 sellers, up to $5,791	Bio Wellness Collection only
Steam generator	20 kW	30 kW	11 kW	13 kW	20 kW
Room size	up to 750 cu ft	Not listed	up to 550 cu ft	447 ft³	Not listed
Size	Not listed	33" X 12" X 35"	Not listed	17.9" W × 11.75" D × 13.6" H	Not listed
Warranty	on the tank	Limited Lifetime Warranty; lifetime warranty	Not listed	3-Year Limited Warranty	Not listed
	Every seller	Compare it	Compare it	Compare it	Compare it

The details

PRO Series III 750 Steam Generator (20kW)

Rated output of 20 kW
Needs a 240V circuit
Made from stainless steel
Sized for rooms up to 750 cu ft

Certifications: for US and Canadian residential safety
Warranty: on the tank
Steam generator: 20 kW
Voltage: 240V
Room volume: up to 750 cu ft
Wood / material: stainless steel

Options

Control: Generator Only (No Control), MicroTouch Control, SignaTouch Control, ThermaTouch2 7" (Black Trim), ThermaTouch2 10", ThermaTouch2 15"
Package Tier: Tier 1 — Generator Only, Tier 2 — Control Kit (Control + Steam Head), Tier 3 — Digital Shower Package, Tier 4 — Wellness Steam Package (Serenity Rainhead), Tier 4 — Wellness Steam Package (HydroVive 14 Rainhead), Tier 4 — Wellness Steam Package (HydroVive 18 Rainhead), Tier 5 — Wellness Shower Package (Serenity Rainhead), Tier 5 — Wellness Shower Package (HydroVive 14 Rainhead), Tier 5 — Wellness Shower Package (HydroVive 18 Rainhead), Tier 6 — Total Wellness Package (Serenity Rainhead), Tier 6 — Total Wellness Package (HydroVive 14 Rainhead), Tier 6 — Total Wellness Package (HydroVive 18 Rainhead)
Finish: —, Antique Brass — Round Steam Head, Antique Copper — Round Steam Head, Antique Nickel — Round Steam Head, Black Nickel — Round Steam Head, Copper — Round Steam Head, Matte Black — Round Steam Head, Oil Rubbed Bronze — Round Steam Head, Polished Brass — Round Steam Head, Polished Chrome — Round Steam Head, Polished Gold — Round Steam Head, Polished Nickel — Round Steam Head, Satin Brass — Round Steam Head, Satin Chrome — Round Steam Head, Satin Nickel — Round Steam Head, White — Round Steam Head, Antique Brass — Square Steam Head, Antique Copper — Square Steam Head, Antique Nickel — Square Steam Head, Black Nickel — Square Steam Head, Copper — Square Steam Head, Matte Black — Square Steam Head, Oil Rubbed Bronze — Square Steam Head, Polished Brass — Square Steam Head, Polished Chrome — Square Steam Head, Polished Gold — Square Steam Head, Polished Nickel — Square Steam Head, Satin Brass — Square Steam Head, Satin Chrome — Square Steam Head, Satin Nickel — Square Steam Head, White — Square Steam Head, Antique Brass, Antique Copper, Antique Nickel, Black Nickel, Copper, Matte Black, Oil Rubbed Bronze, Polished Brass, Polished Chrome, Polished Gold, Polished Nickel, Satin Brass, Satin Chrome, Satin Nickel, White, Antique Brass — Round Rainhead, Antique Copper — Round Rainhead, Antique Nickel — Round Rainhead, Black Nickel — Round Rainhead, Copper — Round Rainhead, Matte Black — Round Rainhead, Oil Rubbed Bronze — Round Rainhead, Polished Brass — Round Rainhead, Polished Chrome — Round Rainhead, Polished Gold — Round Rainhead, Polished Nickel — Round Rainhead, Satin Brass — Round Rainhead, Satin Chrome — Round Rainhead, Satin Nickel — Round Rainhead, White — Round Rainhead, Antique Brass — Square Rainhead, Antique Copper — Square Rainhead, Antique Nickel — Square Rainhead, Black Nickel — Square Rainhead, Copper — Square Rainhead, Matte Black — Square Rainhead, Oil Rubbed Bronze — Square Rainhead, Polished Brass — Square Rainhead, Polished Chrome — Square Rainhead, Polished Gold — Square Rainhead, Polished Nickel — Square Rainhead, Satin Brass — Square Rainhead, Satin Chrome — Square Rainhead, Satin Nickel — Square Rainhead, White — Square Rainhead

From the sellers’ own product listings, checked 2026-10-01. Confirm specs with the seller before you buy.