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Steam Shower Generators for Spa-Level Home Wellness
Create luxurious, humidity-rich heat therapy at home. MrSteam eSeries generators are efficient, quiet, and sized for enclosures from compact to large rooms. Match kW to your adjusted cubic feet (ACF), choose your control, and plan a simple water, drain, and power run.
Efficient by design: Many models use less than ~2 gallons of water per 20-minute session.
Flexible installs: Locate the generator up to ~60 ft from the shower (closet, cabinet, under bench, insulated attic).
Right-sized steam: From 5kW for small stalls to 20kW for large enclosures—use ACF to size correctly.
Upgrade options: Add AutoFlush/Auto Drain, AromaTherapy, ChromaTherapy, and app controls.
Frequently Asked Questions
How do I size a steam generator?
Measure length × width × height (cubic feet). Review enclosure materials and design, then use the product’s ACF guidance to select kW. When in doubt, size up within the recommended range.
What’s ACF and why does it matter?
ACF = Adjusted Cubic Feet. It accounts for room size and finishing materials to ensure the generator produces sufficient steam. Each model lists a max ACF to guide selection.
How far from the shower can I place the generator?
Typical eSeries installations allow placement up to about 60 ft away for flexible routing (check your model’s manual for specifics).
What voltage do these require?
Most residential MrSteam eSeries units run on 240V single-phase; certain models also support 208V. Always follow the spec sheet and engage a licensed electrician.
How much water is used per session?
MrSteam eSeries generators typically use less than ~2 gallons for a 20-minute session—surprisingly water-efficient for the heat you feel.
Are controls included?
Controls are generally sold separately. Compatible options include iTempo/iTempoPlus, AirTempo, and SteamLinx app control (model-dependent).
Where should the steam head and control go?
A common layout is the steam head low and away from the primary seating area; the control at a comfortable reach/eye level. Follow brand diagrams and local code.
Do I need AutoFlush/Auto Drain?
Optional AutoFlush automatically drains after use to help reduce mineral build-up and extend longevity—highly recommended in hard-water areas.
Can I install the generator inside the steam room?
No—install outside the wet zone in a ventilated, serviceable space like a closet, cabinet, or insulated attic (per model guidance).
What are typical dimensions of the units?
Compact eSeries (5–9kW) are about 14.5"×6.75"×14.75"; 12kW ~17"×7-7/8"×18-1/2"; 20kW ~27-5/8"×20-3/4"×7-7/8". See compare table below for quick reference.
What maintenance is required?
Wipe the enclosure after sessions, allow drying, consider AutoFlush, and periodically inspect connections. In hard-water regions, follow descaling recommendations.
What about warranty?
MrSteam eSeries units include strong warranty coverage (often limited lifetime on core components). See each product page for exact terms.
Buying Guide: Choosing a Steam Generator
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Calculate ACF
Measure L × W × H; note materials (tile/stone/glass) and insulation.
Match ACF to the generator’s spec range and size up if you’re on the boundary.
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Plan Power & Plumbing
Dedicated 240V circuit (some support 208V). Licensed electrician required.
Cold water feed + drain; consider AutoFlush/Drain Pan accessories.
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Controls & Comfort
Pick control style (wired/wireless), mounting location, and presets.
Add AromaTherapy/ChromaTherapy to elevate the experience.
Outside wet zone; closet/cabinet/under sealed bench/insulated attic. Provide service access and ventilation.
Distance
Plan routing up to ~60 ft (model-dependent). Keep within manufacturer limits for best performance.
Electrical
Dedicated 240V single-phase circuit (some models support 208V). Install per code with licensed electrician.
Plumbing
Cold water supply and drain line; consider AutoFlush and a drain pan where appropriate.
Enclosure Build
Use vapor-proof membrane, sealed door, and sloped ceiling to reduce drips. Follow brand detail drawings.
Control & Steam Head
Mount control at a comfortable reach; place steam head low and away from primary seating.
Delivery Path Checklist
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Measure the route
Doorways, stairs, turns, and any tight corners to the install area.
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Prep tools & helpers
Clear an assembly zone and stage hardware, valves, and electrical disconnects.
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Confirm utilities
Dedicated circuit, cold water feed, and drain available before delivery.
Care, Warranty & Shipping
After sessions, allow the enclosure to dry and wipe surfaces. AutoFlush/Auto Drain helps limit mineral build-up; consider water treatment in hard-water regions. Warranty coverage is strong across eSeries (often limited lifetime on core components)—verify each product page. Most units ship quickly (often within 1–5 business days).
