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Description
The Mr. Steam MSSUPER1R2401 is a 10kW residential steam shower generator from the Super Series, built for 240V single-phase power and rated by Mr. Steam for steam rooms up to 339 cu ft. It suits a larger home steam shower and installs outside the steam room, up to 60 feet away, in a closet, vanity cabinet, heated attic or basement.
Specifications (Mr. Steam)
- Model / part number: Mr. Steam MSSUPER1R2401 (MSSUPER1R, Super Series)
- Output: 10 kW
- Maximum room volume: Up to 339 cu ft (Mr. Steam rating)
- Electrical: 240V, single phase, 42 A (Mr. Steam ampere chart)
- Express Steam: No (standard model; an Express Steam version is sold separately)
- Body dimensions (L x H x D): 17 in long x 18-3/4 in high x 7-7/8 in deep (Mr. Steam drawing)
- Weight: 37 lb
- Plumbing connections: Steam outlet 3/4 in NPT, water supply 3/8 in NPT, safety valve 3/4 in NPT, drain 1/2 in NPT
- Control: 24V low-voltage control built in; requires a separate Mr. Steam control (iSteamX, iTempo, TempoTouch or TempoFlex)
- Safety features: 60-minute electronic countdown shutdown with 75-minute limiting safety back-up, ASME safety valve
- Materials: Stainless steel tank and cabinet, serviceable heating element, full-port drain valve
- Installation: Wall or floor mount, upright only, hardwired; zero clearance to combustibles
- Certification: cULus listed
- UPC: 767931943317
- Made in: United States (Long Island City, NY)
- Fusing: Mr. Steam notes the Super1R 240V single-phase model is not supplied with internal fusing
What you need to know before buying
- A Mr. Steam control (iSteamX, iTempo, TempoTouch or TempoFlex) and a Mr. Steam steamhead are required and sold separately. Browse steam shower generators.
- Hardwired 240V single-phase power on its own breaker, with a disconnect in sight of the generator, installed by a licensed electrician. Mr. Steam lists 42 A for this model.
- A licensed plumber for the 3/8 in water supply, 3/4 in steam line to the steamhead, safety valve and drain line.
- Size by steam room cubic feet and wall material, per Mr. Steam. Natural stone, marble, glass block or concrete need more steam than ceramic tile on cement board, and acrylic or fiberglass enclosures need the least. The 339 cu ft rating is the adjusted volume after that correction.
- Install indoors in a heated space, never inside the steam room or where water could freeze, and leave service access of 12 in at both ends and above the generator.
- Optional Mr. Steam add-ons include AutoFlush, a drip pan, AromaSteam and the MS Wallseat, sold separately.
Warranty
Mr. Steam limited lifetime warranty on the generator, including 2 years in-home, for residential use.
Returns
Returns accepted within 30 days of delivery for unused, uninstalled items in original sealed packaging. Return shipping is paid by the buyer, and a restocking fee of up to 15% may apply (up to 50% if packaging is missing or the seal is broken). Installed items are handled as manufacturer warranty claims.
Related
Steam shower generators, Mr. Steam steam shower products
Install per the manufacturer's instructions by a licensed plumber and electrician.
Specifications
| Model / part number | Mr. Steam MSSUPER1R2401 (MSSUPER1R, Super Series) |
|---|---|
| Output | 10 kW |
| Maximum room volume | Up to 339 cu ft (Mr. Steam rating) |
| Electrical | 240V, single phase, 42 A (Mr. Steam ampere chart) |
| Express Steam | No (standard model; an Express Steam version is sold separately) |
| Body dimensions (L x H x D) | 17 in long x 18-3/4 in high x 7-7/8 in deep (Mr. Steam drawing) |
| Weight | 37 lb |
| Plumbing connections | Steam outlet 3/4 in NPT, water supply 3/8 in NPT, safety valve 3/4 in NPT, drain 1/2 in NPT |
| Control | 24V low-voltage control built in; requires a separate Mr. Steam control (iSteamX, iTempo, TempoTouch or TempoFlex) |
| Safety features | 60-minute electronic countdown shutdown with 75-minute limiting safety back-up, ASME safety valve |
| Materials | Stainless steel tank and cabinet, serviceable heating element, full-port drain valve |
| Installation | Wall or floor mount, upright only, hardwired; zero clearance to combustibles |
| Certification | cULus listed |
| UPC | 767931943317 |
| Made in | United States (Long Island City, NY) |
| Fusing | Mr. Steam notes the Super1R 240V single-phase model is not supplied with internal fusing |
Specifications from the manufacturer. Dimensions are approximate.
Shipping
We ship to the 48 contiguous U.S. states and Washington, DC. Your shipping cost is calculated at checkout and shown before you pay.
You will get an order confirmation right away and tracking by email when your order ships. Questions about timing for a specific item? Call (945) 280-3243 or email support@restoresuite.com before you order.
Delivery
Large items such as saunas, hot tubs and cold plunge tubs usually ship by freight. The carrier contacts you to schedule delivery. Please check the packaging and note any damage on the delivery receipt before you sign, then tell us within 48 hours so we can resolve it for you.
Before delivery day, measure doorways and hallways along the path to the install spot, and confirm the electrical requirement on the Specifications tab.
Warranty
Mr. Steam limited lifetime warranty on the generator, including 2 years in-home, for residential use.
Warranty coverage for this product is shown above or in the description. If anything arrives damaged or stops working, contact us with your order number and we will help you get it resolved.
Reviews
What delivery looks like


Why this one
10kW Mr. Steam Super Series generator for steam rooms up to 339 cu ft, 240V single-phase
- 10 kW output, rated for steam rooms up to 339 cu ft
- Stainless steel tank and serviceable industrial heating element
- Installs outside the steam room, up to 60 ft away
- 60-minute auto shutdown with 75-minute safety back-up, cULus listed

Key specs at a glance
The numbers to check before you order. Full details are on the Specifications tab.
- Electrical
- 240V, single phase, 42 A (Mr. Steam ampere chart)
- Body dimensions (L x H x D)
- 17 in long x 18-3/4 in high x 7-7/8 in deep (Mr. Steam drawing)
- Weight
- 37 lb
Before you buy: what to know
Based on the manufacturer's specs, manuals and our research.
- This is the 240V single-phase standard version; confirm part number MSSUPER1R2401 matches your electrical service before ordering.
- The generator does not include a control or steamhead; plan for both when budgeting the steam shower.
- Mr. Steam notes this 240V single-phase Super1R model has no internal fusing, so your electrician should plan overcurrent protection accordingly.
Not sure this is the right fit? Ask us or call (945) 280-3243.
Compare Mr. Steam models
Swipe to compare 4 models
| Model |
Mr. Steam Max Series 30kW Steam Shower Generator with Express Steam
$5,915.00 |
Mr. Steam Max Series 30kW Steam Shower Generator
$5,565.00 |
Mr. Steam Max Series 30kW Steam Shower Generator with Express Steam
$5,915.00 |
Mr. Steam Max Series 30kW Steam Shower Generator
$5,565.00 |
|---|---|---|---|---|
| Electrical | 208V, single phase, 145 A | 208V, single phase, 145 A | 240V, single phase, 125 A | 240V, single phase, 125 A |
Mr. Steam Max Series 30kW Steam Shower Generator with Express Steam$5,915.00
- Electrical
- 208V, single phase, 145 A
Mr. Steam Max Series 30kW Steam Shower Generator$5,565.00
- Electrical
- 208V, single phase, 145 A
Mr. Steam Max Series 30kW Steam Shower Generator with Express Steam$5,915.00
- Electrical
- 240V, single phase, 125 A
Mr. Steam Max Series 30kW Steam Shower Generator$5,565.00
- Electrical
- 240V, single phase, 125 A
Common questions
What size steam room is the MSSUPER1R2401 for?
What electrical and plumbing work does it need?
What else do I need to buy?
Is there an Express Steam version?
Choosing the right setup can be tricky. We are here to help.
Tell us your space, power and how you plan to use it, and we will help you compare models honestly, including whether this one is the right fit.
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