A lower published list price from its maker: ThermaSol PRO Series III 240
ThermaSol publishes a list price of $5,475; Delta publishes $5,642 for the SteamScape 15kW Steam Generator. Each product page names where its figure is published.
A steam generator from Delta, rated by the maker for up to 675 cu ft. Every figure below is Delta's own, linked to where it is published. Delta's published list price: $5,642 (List Price on deltafaucet.com, 29 Sep 2026).
Buy from DeltaAs published by Delta, read on 2026-09-29. Makers revise their products; check Delta's current specification before you buy. Each maker states its own sizing rule, if any; read it on the product page.
ThermaSol publishes a list price of $5,475; Delta publishes $5,642 for the SteamScape 15kW Steam Generator. Each product page names where its figure is published.
Side by side with the Amerec AK14. Both are steam generators whose stated room-size ratings overlap, read before each maker's own sizing rule.
Side by side with the Mr. Steam MX4R. These steam generators carry room-size ratings that overlap, as their makers state them before each maker's own sizing rule.
Side by side with the ThermaSol PRO Series III 575. Both are steam generators whose stated room-size ratings overlap, read before each maker's own sizing rule.
Amerec · steam generator · 4.5 kW · rated by the maker for 60–90 cu ft
Amerec · steam generator · 6 kW · rated by the maker for 80–150 cu ft
Amerec · steam generator · 7.5 kW · rated by the maker for 100–200 cu ft
Amerec · steam generator · 9 kW · rated by the maker for 150–300 cu ft
Amerec · steam generator · 11 kW · rated by the maker for 200–400 cu ft
Amerec · steam generator · 14 kW · rated by the maker for 350–550 cu ft
Delta lists: Max Shower Volume: 675. Each maker states its own sizing rule, if any; read it on the product page.
Delta says: For natural stone or marble, multiply by 2.0. For ceramic or porcelain tile, or glass block, multiply by 1.35; Exterior Wall: For one, multiply by 1.1; for two, multiply by 1.2; Ceiling height: For a 9 ft. ceiling, multiply by 1.15; for a 10 ft. ceiling, multiply by 1.3; Note: If there is a skylight or outside window, select the next largest generator.
Delta lists: Kilowatts: 15kw.
Delta lists: 240V 1ph. Have a licensed electrician confirm your circuit against the installation manual before you buy. Related question: Which steam generators run on a 240 V circuit?
Delta lists: Breaker Capacity: 80. The installation manual and a licensed electrician have the final word.
Delta lists: Required Equipment - 5CH-250, 5CB-550, 5CH-550, and 5CN-550 Control Interface and Steam Head.
Delta lists: ½" Capped Drain Line for Optional Auto Drain. Related question: Which steam generators drain or flush themselves?
Delta lists: Water Supply - 3/8" Compression Fitting, 120 PSI max; Steam Outlet - 3/4" Brass NPT male thread; Pressure Relief Valve - 3/4" NPT female thread; Drain Outlet - Capped 1/2" Brass NPT male thread. A licensed plumber should confirm them against the installation manual.
Delta lists: 17¾" x 7½" x 15½".
Delta lists: Steam Generators – Lifetime limited warranty; Electronic Parts for Steam Bath Generators, Controls, Spa Options and Accessories – two (2) years from the date the product is received by the original consumer purchaser.
Delta states: UL/cUL Listed.
Delta's own site showed $5,642 (List Price on deltafaucet.com, 29 Sep 2026). That is the maker's price, not a retailer's or Amazon's; prices change, and the seller's page shows the current one. Related question: How much does a steam generator cost?
More from Delta: all Delta products on Saunakivi.