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AK14 vs SteamScape 15kW Steam Generator

Amerec AK14 and Delta SteamScape 15kW Steam Generator, 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

The makers' figures side by side
SpecificationAmerec AK14Delta SteamScape 15kW Steam Generator
Heater outputWatts: 14000 (240 V); 13580 (208 V)Kilowatts: 15kw
Room size the maker rates it forSteam Room Cu Ft: Min 350, Max 550Max Shower Volume: 675
Voltage240 and 208 volt models can be wired in the field for 1 or 3 phase power.240V 1ph
Breaker / current240 V: 1 Phase Amps 21 & 38, Breaker 30 & 50; 3 Phase Amps 34, Breaker 50. 208 V: 1 Phase Amps 24 & 42, Breaker 30 & 50; 3 Phase Amps 38, Breaker 50Breaker Capacity: 80
Dimensions16-1/2" x 6-1/4" x 15"17¾" x 7½" x 15½"
Weight—Generator shipped weight - 41 lbs
Water and drain connectionsWater Inlet – 3/8” NPT; Pressure Relief Valve – 3/4” NPT; Steam Outlet – 1/2” NPT; Drain Outlet – 3/4” NPTWater 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
Control included1 Control Required, additional may be connected. Compatible with the K2, K3, KT3, K4 controls.Required Equipment - 5CH-250, 5CB-550, 5CH-550, and 5CN-550 Control Interface and Steam Head.
Drain and flushAmerec’s ADK auto drain option is highly recommended to automatically drain and flush the generator after every steam bath; If you do not buy the auto drain, your tank will need to be flushed monthly, or more often, depending on local water conditions½" Capped Drain Line for Optional Auto Drain
Safety listingETL Listed for USA and CanadaUL/cUL Listed
WarrantyLimited Lifetime Warranty; all component parts for five years from the date of installationSteam 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
Price on the maker's site$4,210 (steam builder on amerec.com, 29 Sep 2026)$5,642 (List Price on deltafaucet.com, 29 Sep 2026)

Each figure is the maker's own, as cited row by row on the AK14 and SteamScape 15kW Steam Generator 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

Where the published figures differ

  • Heater output: AK14: Watts: 14000 (240 V); 13580 (208 V). SteamScape 15kW Steam Generator: Kilowatts: 15kw.
  • Room size the maker rates it for: AK14: Steam Room Cu Ft: Min 350, Max 550. SteamScape 15kW Steam Generator: Max Shower Volume: 675.
  • Voltage: AK14: 240 and 208 volt models can be wired in the field for 1 or 3 phase power. SteamScape 15kW Steam Generator: 240V 1ph.
  • Breaker / current: AK14: 240 V: 1 Phase Amps 21 & 38, Breaker 30 & 50; 3 Phase Amps 34, Breaker 50. 208 V: 1 Phase Amps 24 & 42, Breaker 30 & 50; 3 Phase Amps 38, Breaker 50. SteamScape 15kW Steam Generator: Breaker Capacity: 80.
  • Dimensions: AK14: 16-1/2" x 6-1/4" x 15". SteamScape 15kW Steam Generator: 17¾" x 7½" x 15½".
  • Water and drain connections: AK14: Water Inlet – 3/8” NPT; Pressure Relief Valve – 3/4” NPT; Steam Outlet – 1/2” NPT; Drain Outlet – 3/4” NPT. 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.
  • Control included: AK14: 1 Control Required, additional may be connected. Compatible with the K2, K3, KT3, K4 controls. SteamScape 15kW Steam Generator: Required Equipment - 5CH-250, 5CB-550, 5CH-550, and 5CN-550 Control Interface and Steam Head.
  • Drain and flush: AK14: Amerec’s ADK auto drain option is highly recommended to automatically drain and flush the generator after every steam bath; If you do not buy the auto drain, your tank will need to be flushed monthly, or more often, depending on local water conditions. SteamScape 15kW Steam Generator: ½" Capped Drain Line for Optional Auto Drain.
  • Safety listing: AK14: ETL Listed for USA and Canada. SteamScape 15kW Steam Generator: UL/cUL Listed.
  • Warranty: AK14: Limited Lifetime Warranty; all component parts for five years from the date of installation. 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.
  • Price on the maker's site: AK14: $4,210 (steam builder on amerec.com, 29 Sep 2026). SteamScape 15kW Steam Generator: $5,642 (List Price on deltafaucet.com, 29 Sep 2026).

Figures we cite for only one of the two: weight (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

Amerec AK14

Amerec · steam generator · 14 kW · rated by the maker for 350–550 cu ft

Sources

  1. Amerec: steam builder — Amerec
  2. Amerec: warranty — Amerec
  3. Amerec: Amerec AK Steam Generator with K2 and K3 (PDF) — Amerec
  4. Amerec: residential steam bath generator 100 — Amerec
  5. Amerec: faq — Amerec
  6. Delta: DSP S 5GE SMP12 240 1 Rev B (PDF) — Delta
  7. Delta: steam generator sizing guide — Delta
  8. SteamScape 15kW Steam Generator - Delta — Delta