Buy from Delta: SteamScape 7.5kW Steam Generator
Delta's own page for the SteamScape 7.5kW Steam Generator. Not a paid link.
SteamScape 7.5kW Steam Generator vs MS400R
Delta SteamScape 7.5kW Steam Generator and Mr. Steam MS400R, 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 7.5kW Steam Generator | Mr. Steam MS400R |
|---|---|---|
| Heater output | Kilowatts: 7.5kw | kW: 9 |
| Room size the maker rates it for | Max Shower Volume: 250 | Room Volume (cu. ft.): 162-257 |
| Voltage | 240V 1ph | 2401 after model number denotes a 240V/1PH generator; B1 after model number denotes a 208V/1PH generator; Other voltage and phase combinations available upon request |
| Breaker / current | Breaker Capacity: 40 | Amps 240/1PH: 38; Wire Size AWG: 8 |
| Dimensions | 15" x 6” x 15.5" | 14.5" x 14.75" x 6.75" |
| Weight | Generator shipped weight - 30 lbs | Shipping Weight: 27 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 | Steam Outlet (3/4" NPT) Water Supply (3/8" NPT) Safety Valve (3/4" NPT) Steam Head (3/4" NPT) Drain (1/2" NPT) |
| Control included | Required Equipment - 5CH-250, 5CB-550, 5CH-550, and 5CN-550 Control Interface and Steam Head. | Required Equipment: SteamX, iTempoTouch, TempoFlex, iTempo, Controls |
| Drain and flush | 1/2" Capped Drain line for Optional Auto Drain | Optional Equipment: ChromaX, AudioX, Recessed Light, MS Wallseat, AutoFlush, Drip Pan |
| Safety listing | UL/cUL Listed | US and Canadian UL listed, and CE and NOM certified |
| 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 | Limited lifetime generator parts warranty |
| Price on the maker's site | $3,642 (List Price on deltafaucet.com, 29 Sep 2026) | $4,300 (List Price, Mr. Steam 2025 price book on docs.mrsteam.com, read 29 Sep 2026) |
Each figure is the maker's own, as cited row by row on the SteamScape 7.5kW Steam Generator and MS400R 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
See it at Mr. Steam: MS400R
Mr. Steam's own page for the MS400R. Not a paid link.
Where the published figures differ
- Heater output: SteamScape 7.5kW Steam Generator: Kilowatts: 7.5kw. MS400R: kW: 9.
- Room size the maker rates it for: SteamScape 7.5kW Steam Generator: Max Shower Volume: 250. MS400R: Room Volume (cu. ft.): 162-257.
- Voltage: SteamScape 7.5kW Steam Generator: 240V 1ph. MS400R: 2401 after model number denotes a 240V/1PH generator; B1 after model number denotes a 208V/1PH generator; Other voltage and phase combinations available upon request.
- Breaker / current: SteamScape 7.5kW Steam Generator: Breaker Capacity: 40. MS400R: Amps 240/1PH: 38; Wire Size AWG: 8.
- Dimensions: SteamScape 7.5kW Steam Generator: 15" x 6” x 15.5". MS400R: 14.5" x 14.75" x 6.75".
- Weight: SteamScape 7.5kW Steam Generator: Generator shipped weight - 30 lbs. MS400R: Shipping Weight: 27 lbs.
- Water and drain connections: SteamScape 7.5kW 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. MS400R: Steam Outlet (3/4" NPT) Water Supply (3/8" NPT) Safety Valve (3/4" NPT) Steam Head (3/4" NPT) Drain (1/2" NPT).
- Control included: SteamScape 7.5kW Steam Generator: Required Equipment - 5CH-250, 5CB-550, 5CH-550, and 5CN-550 Control Interface and Steam Head. MS400R: Required Equipment: SteamX, iTempoTouch, TempoFlex, iTempo, Controls.
- Drain and flush: SteamScape 7.5kW Steam Generator: 1/2" Capped Drain line for Optional Auto Drain. MS400R: Optional Equipment: ChromaX, AudioX, Recessed Light, MS Wallseat, AutoFlush, Drip Pan.
- Safety listing: SteamScape 7.5kW Steam Generator: UL/cUL Listed. MS400R: US and Canadian UL listed, and CE and NOM certified.
- Warranty: SteamScape 7.5kW 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. MS400R: Limited lifetime generator parts warranty.
- Price on the maker's site: SteamScape 7.5kW Steam Generator: $3,642 (List Price on deltafaucet.com, 29 Sep 2026). MS400R: $4,300 (List Price, Mr. Steam 2025 price book on docs.mrsteam.com, read 29 Sep 2026).
Read each one in full
Delta SteamScape 7.5kW Steam Generator
Delta · steam generator · 7.5 kW · rated by the maker for up to 250 cu ft
Mr. Steam MS400R
Mr. Steam · steam generator · 9 kW · rated by the maker for 162–257 cu ft
Sources
- Delta: steam generator sizing guide — Delta
- Delta: DSP S 5GE SMP05 240 1 Rev B (PDF) — Delta
- SteamScape 7.5kW Steam Generator - Delta — Delta
- Mr. Steam: TS0041 90R 400R (PDF) — Mr. Steam
- Mr. Steam: PRICEBOOK (PDF) — Mr. Steam
- Mr. Steam: generators — Mr. Steam