Buy from Delta: SteamScape 15kW Steam Generator
Delta's own page for the SteamScape 15kW Steam Generator. Not a paid link.
SteamScape 15kW Steam Generator vs PRO Series III 575
Delta SteamScape 15kW Steam Generator and ThermaSol PRO Series III 575, compared on the figures their makers publish. Both are steam generators whose stated room-size ratings overlap, read before each maker's own sizing rule.
The makers' figures side by side
| Specification | Delta SteamScape 15kW Steam Generator | ThermaSol PRO Series III 575 |
|---|---|---|
| Heater output | Kilowatts: 15kw | KW RATING: 15 |
| Room size the maker rates it for | Max Shower Volume: 675 | MAX. ROOM SIZE: 575 CU.FT. |
| Electrical supply | — | ELECTRICAL: Hardwire |
| Voltage | 240V 1ph | INPUT VOLTAGE: 208-240VAC; PHASE: 1 |
| Breaker / current | Breaker Capacity: 80 | AMPS: 69; Each generator should be wired to their own separate breaker |
| Controls | — | COMPATIBLE OPTIONS: Thermatouch Series; Signatouch Series; Microtouch Series; Signature Control Series; Easy Start Series |
| Dimensions | 17¾" x 7½" x 15½" | 13 15/16" W × 18 11/16" D × 11 15/16" H |
| Weight | Generator shipped weight - 41 lbs | SHIPPING DETAILS Weight | 48 lbs. |
| Water and drain connections | 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 | Water Inlet 3/8” Compression Steam Outlet 1/2” NPT Drain Pan 3/4" NPT |
| Control included | Required Equipment - 5CH-250, 5CB-550, 5CH-550, and 5CN-550 Control Interface and Steam Head. | — |
| Drain and flush | ½" Capped Drain Line for Optional Auto Drain | Auto PowerFlush™ pressurized inner tank cleaning system; Stainless Steel Drain Pan Included |
| Kit includes | — | SteamVection Kit Included |
| Safety listing | UL/cUL Listed | — |
| Warranty | 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 | 2-year limited “In-Home” warranty; Thermasol will replace any defective parts for the life of the product for the original purchaser and will cover labor performed at the factory |
| Price on the maker's site | $5,642 (List Price on deltafaucet.com, 29 Sep 2026) | $6,480 (List Price, ThermaSol price guide effective April 2025, on thermasol.com, read 29 Sep 2026) |
Each figure is the maker's own, as cited row by row on the SteamScape 15kW Steam Generator and PRO Series III 575 pages and listed in the sources below. A dash means the figure is not on the maker pages we cite. Each maker states its own sizing rule, if any; read it on the product page.
Where to buy
Buy from ThermaSol: PRO Series III 575
ThermaSol's own page for the PRO Series III 575. Not a paid link.
Where the published figures differ
- Heater output: SteamScape 15kW Steam Generator: Kilowatts: 15kw. PRO Series III 575: KW RATING: 15.
- Room size the maker rates it for: SteamScape 15kW Steam Generator: Max Shower Volume: 675. PRO Series III 575: MAX. ROOM SIZE: 575 CU.FT.
- Voltage: SteamScape 15kW Steam Generator: 240V 1ph. PRO Series III 575: INPUT VOLTAGE: 208-240VAC; PHASE: 1.
- Breaker / current: SteamScape 15kW Steam Generator: Breaker Capacity: 80. PRO Series III 575: AMPS: 69; Each generator should be wired to their own separate breaker.
- Dimensions: SteamScape 15kW Steam Generator: 17¾" x 7½" x 15½". PRO Series III 575: 13 15/16" W × 18 11/16" D × 11 15/16" H.
- Weight: SteamScape 15kW Steam Generator: Generator shipped weight - 41 lbs. PRO Series III 575: SHIPPING DETAILS Weight | 48 lbs.
- Water and drain connections: SteamScape 15kW Steam Generator: 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. PRO Series III 575: Water Inlet 3/8” Compression Steam Outlet 1/2” NPT Drain Pan 3/4" NPT.
- Drain and flush: SteamScape 15kW Steam Generator: ½" Capped Drain Line for Optional Auto Drain. PRO Series III 575: Auto PowerFlush™ pressurized inner tank cleaning system; Stainless Steel Drain Pan Included.
- Warranty: SteamScape 15kW Steam Generator: 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. PRO Series III 575: 2-year limited “In-Home” warranty; Thermasol will replace any defective parts for the life of the product for the original purchaser and will cover labor performed at the factory.
- Price on the maker's site: SteamScape 15kW Steam Generator: $5,642 (List Price on deltafaucet.com, 29 Sep 2026). PRO Series III 575: $6,480 (List Price, ThermaSol price guide effective April 2025, on thermasol.com, read 29 Sep 2026).
Figures we cite for only one of the two: electrical supply (only ThermaSol's cited pages give it); controls (only ThermaSol's cited pages give it); control included (only Delta's cited pages give it); kit includes (only ThermaSol's cited pages give it); safety listing (only Delta's cited pages give it). Ask the other maker before treating the two as equal on those points.
Read each one in full
Delta SteamScape 15kW Steam Generator
Delta · steam generator · 15 kW · rated by the maker for up to 675 cu ft
ThermaSol PRO Series III 575
ThermaSol · steam generator · 15 kW · rated by the maker for up to 575 cu ft
Sources
- Delta: DSP S 5GE SMP12 240 1 Rev B (PDF) — Delta
- Delta: steam generator sizing guide — Delta
- SteamScape 15kW Steam Generator - Delta — Delta
- ThermaSol: Thermasol Steam Generator PROIII 575 Spec (PDF) — ThermaSol
- ThermaSol: Thermasol Steam Generator PROIII XXX Manual (PDF) — ThermaSol
- ThermaSol: warranty — ThermaSol
- ThermaSol: Thermasol PriceGuide FINAL (PDF) — ThermaSol
- ThermaSol: pro series iii — ThermaSol