Buy from Delta: SteamScape 5kW Steam Generator
Delta's own page for the SteamScape 5kW Steam Generator. Not a paid link.
SteamScape 5kW Steam Generator vs PRO Series III 140
Delta SteamScape 5kW Steam Generator and ThermaSol PRO Series III 140, compared on the figures their makers publish. Both are steam generators, and the room sizes their makers state, before each maker's own sizing rule, overlap.
The makers' figures side by side
| Specification | Delta SteamScape 5kW Steam Generator | ThermaSol PRO Series III 140 |
|---|---|---|
| Heater output | Kilowatts: 5kw | KW RATING: 8.0 |
| Room size the maker rates it for | Max Shower Volume: 100 | MAX. ROOM SIZE: 140 CU.FT. |
| Electrical supply | — | ELECTRICAL: NEMA 6-50P |
| Voltage | 240V 1ph | INPUT VOLTAGE: 208-240VAC; PHASE: 1 |
| Breaker / current | Breaker Capacity: 30 | AMPS: 37; 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 | 15" x 6” x 15.5" | 13 15/16" W × 18 11/16" D × 11 15/16" H |
| Weight | Generator shipped weight - 30 lbs | SHIPPING DETAILS Weight | 44 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 | 1/2" 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 | $2,822 (List Price on deltafaucet.com, 29 Sep 2026) | $4,790 (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 5kW Steam Generator and PRO Series III 140 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 140
ThermaSol's own page for the PRO Series III 140. Not a paid link.
Where the published figures differ
- Heater output: SteamScape 5kW Steam Generator: Kilowatts: 5kw. PRO Series III 140: KW RATING: 8.0.
- Room size the maker rates it for: SteamScape 5kW Steam Generator: Max Shower Volume: 100. PRO Series III 140: MAX. ROOM SIZE: 140 CU.FT.
- Voltage: SteamScape 5kW Steam Generator: 240V 1ph. PRO Series III 140: INPUT VOLTAGE: 208-240VAC; PHASE: 1.
- Breaker / current: SteamScape 5kW Steam Generator: Breaker Capacity: 30. PRO Series III 140: AMPS: 37; Each generator should be wired to their own separate breaker.
- Dimensions: SteamScape 5kW Steam Generator: 15" x 6” x 15.5". PRO Series III 140: 13 15/16" W × 18 11/16" D × 11 15/16" H.
- Weight: SteamScape 5kW Steam Generator: Generator shipped weight - 30 lbs. PRO Series III 140: SHIPPING DETAILS Weight | 44 lbs.
- Water and drain connections: SteamScape 5kW 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 140: Water Inlet 3/8” Compression Steam Outlet 1/2” NPT Drain Pan 3/4" NPT.
- Drain and flush: SteamScape 5kW Steam Generator: 1/2" Capped Drain line for Optional Auto Drain. PRO Series III 140: Auto PowerFlush™ pressurized inner tank cleaning system; Stainless Steel Drain Pan Included.
- Warranty: SteamScape 5kW 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 140: 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 5kW Steam Generator: $2,822 (List Price on deltafaucet.com, 29 Sep 2026). PRO Series III 140: $4,790 (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 5kW Steam Generator
Delta · steam generator · 5 kW · rated by the maker for up to 100 cu ft
ThermaSol PRO Series III 140
ThermaSol · steam generator · 8 kW · rated by the maker for up to 140 cu ft
Sources
- SteamScape 5kW Steam Generator - Delta — Delta
- Delta: steam generator sizing guide — Delta
- Delta: DSP S 5GE SMP05 240 1 Rev B (PDF) — Delta
- ThermaSol: Thermasol Steam Generator PROIII XXX Manual (PDF) — ThermaSol
- ThermaSol: Thermasol Steam Generator PROIII 140 Spec (PDF) — ThermaSol
- ThermaSol: warranty — ThermaSol
- ThermaSol: Thermasol PriceGuide FINAL (PDF) — ThermaSol
- ThermaSol: pro series iii — ThermaSol