See it at Amerec: AK14
Amerec's own page for the AK14. Not a paid link.
AK14 vs MSSUPER3R
Amerec AK14 and Mr. Steam MSSUPER3R, 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 | Amerec AK14 | Mr. Steam MSSUPER3R |
|---|---|---|
| Heater output | Watts: 14000 (240 V); 13580 (208 V) | kW: 15 |
| Room size the maker rates it for | Steam Room Cu Ft: Min 350, Max 550 | Room Volume (cu. ft.): 412-482 |
| Voltage | 240 and 208 volt models can be wired in the field for 1 or 3 phase power. | 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 | 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 | Amps 240/1PH: 63; Wire Size AWG: 4 |
| Dimensions | 16-1/2" x 6-1/4" x 15" | 17" x 18.5" x 7.9" |
| Weight | — | Shipping Weight: 39 lbs. |
| Water and drain connections | Water Inlet – 3/8” NPT; Pressure Relief Valve – 3/4” NPT; Steam Outlet – 1/2” NPT; Drain Outlet – 3/4” NPT | 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 | 1 Control Required, additional may be connected. Compatible with the K2, K3, KT3, K4 controls. | Required Equipment: iSteamX, iTempo, TempoTouch, TempoFlex Control |
| Drain and flush | 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 | Optional Equipment: ChromaSteam, MS Wallseat, AutoFlush, Drip Pan |
| Safety listing | ETL Listed for USA and Canada | US and Canadian UL listed, and CE and NOM certified |
| Warranty | Limited Lifetime Warranty; all component parts for five years from the date of installation | Limited lifetime steam generator parts warranty |
| Price on the maker's site | $4,210 (steam builder on amerec.com, 29 Sep 2026) | $5,925 (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 AK14 and MSSUPER3R 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: MSSUPER3R
Mr. Steam's own page for the MSSUPER3R. Not a paid link.
Where the published figures differ
- Heater output: AK14: Watts: 14000 (240 V); 13580 (208 V). MSSUPER3R: kW: 15.
- Room size the maker rates it for: AK14: Steam Room Cu Ft: Min 350, Max 550. MSSUPER3R: Room Volume (cu. ft.): 412-482.
- Voltage: AK14: 240 and 208 volt models can be wired in the field for 1 or 3 phase power. MSSUPER3R: 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: 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. MSSUPER3R: Amps 240/1PH: 63; Wire Size AWG: 4.
- Dimensions: AK14: 16-1/2" x 6-1/4" x 15". MSSUPER3R: 17" x 18.5" x 7.9".
- 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. MSSUPER3R: 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: AK14: 1 Control Required, additional may be connected. Compatible with the K2, K3, KT3, K4 controls. MSSUPER3R: Required Equipment: iSteamX, iTempo, TempoTouch, TempoFlex Control.
- 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. MSSUPER3R: Optional Equipment: ChromaSteam, MS Wallseat, AutoFlush, Drip Pan.
- Safety listing: AK14: ETL Listed for USA and Canada. MSSUPER3R: US and Canadian UL listed, and CE and NOM certified.
- Warranty: AK14: Limited Lifetime Warranty; all component parts for five years from the date of installation. MSSUPER3R: Limited lifetime steam generator parts warranty.
- Price on the maker's site: AK14: $4,210 (steam builder on amerec.com, 29 Sep 2026). MSSUPER3R: $5,925 (List Price, Mr. Steam 2025 price book on docs.mrsteam.com, read 29 Sep 2026).
Figures we cite for only one of the two: weight (only Mr. Steam'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
Mr. Steam MSSUPER3R
Mr. Steam · steam generator · 15 kW · rated by the maker for 412–482 cu ft
Sources
- Amerec: steam builder — Amerec
- Amerec: warranty — Amerec
- Amerec: Amerec AK Steam Generator with K2 and K3 (PDF) — Amerec
- Amerec: residential steam bath generator 100 — Amerec
- Amerec: faq — Amerec
- Mr. Steam: TS0041 S1R S3R (PDF) — Mr. Steam
- Mr. Steam: PRICEBOOK (PDF) — Mr. Steam
- Mr. Steam: generators — Mr. Steam