Product Description
Karcher Commercial Steam Cleaning
248°F steam cleaner with 58 PSI output, chemical-free cleaning capability, two-tank refill system, and portable or cart configuration options.
The Karcher SG 4/4 Commercial Steam Cleaner is a professional chemical-free steam cleaning system designed for food service, hospitality, healthcare, schools, restrooms, locker rooms, and facility maintenance environments. Producing steam up to 248°F at 58 PSI, the SG 4/4 helps remove soil, grease, buildup, and contamination from grout lines, kitchens, fixtures, high-touch surfaces, and other approved hard surfaces without relying on detergents.
This combined product page includes the standard portable SG 4/4 steam cleaner and the SG 4/4 with transport cart configuration. Choose the standard unit for compact portable use, or select the cart option when easier transport, accessory organization, and facility mobility are needed.
Quick Highlights
Recommended Applications
- Commercial kitchens and food prep areas
- Tile and grout cleaning
- Restrooms and locker rooms
- Healthcare and hospitality facilities
- Schools, universities, and public buildings
- High-touch surface cleaning
- Chemical-free cleaning programs
- Detail cleaning around fixtures, counters, edges, and equipment
Available Configuration Options
This page combines two Karcher SG 4/4 configurations. Select the standard portable unit or choose the cart configuration for improved transport and accessory storage.
| Store SKU | MFG Part Number | Configuration | Best For |
|---|---|---|---|
| MJK10928050 | 1.092-805.0 | SG 4/4 Steam Cleaner | Compact portable steam cleaning |
| MJK98414140 | 9.841-414.0 | SG 4/4 Steam Cleaner with Transport Cart | Facility mobility and accessory organization |
How to Choose the Right Configuration
Choose the Standard SG 4/4 If...
- You want a compact portable steam cleaner
- You plan to use the machine on counters, carts, or small storage areas
- You need chemical-free detail cleaning in kitchens, restrooms, or facility spaces
- You do not need a dedicated transport cart
Choose the Cart Configuration If...
- You move the steam cleaner between rooms or departments
- You want better accessory storage and organization
- You need easier transport in schools, healthcare, hospitality, or facility maintenance areas
- You prefer a complete mobile steam cleaning setup
Key Features
Two-Tank Continuous Refill System
Fresh water can be refilled during operation. Only part of the water is heated at a time to support faster steam production and longer runtime.
VapoHydro Cleaning Control
Adjustable steam level and hot water jet option allow operators to match cleaning output to the task.
Chemical-Free Cleaning
Clean approved surfaces using steam and water alone, helping reduce chemical use in sensitive environments.
Compact Portable Design
Lightweight, compact housing is easy to move, store, and position for detail cleaning work.
On-Board Storage
Built-in storage helps keep the steam hose, tools, nozzles, and accessory set organized.
Professional Accessory Set
Includes tools for floors, grout, fixtures, detail cleaning, hand cleaning, and targeted steam application.
Best For
- Commercial kitchens and food prep areas
- Tile and grout sanitation
- Restrooms and locker rooms
- Healthcare and hospitality facilities
- Schools and public buildings
- High-touch surfaces and detail cleaning
- Chemical-free cleaning programs
Not Ideal For
- Large-scale floor stripping projects
- Outdoor pressure washing applications
- Industrial degreasing that requires solvents
- Large open floor areas that require an automatic scrubber
Technical Specifications
- Manufacturer: Karcher
- Model: SG 4/4
- Parent Store SKU: MJK10928050
- Parent Manufacturer Part Number: 1.092-805.0
- Combined Store SKUs: MJK10928050, MJK98414140
- Combined Manufacturer Part Numbers: 1.092-805.0, 9.841-414.0
- Clean SKU References: 10928050, 98414140
- Machine Type: Commercial steam cleaner
- Cleaning Function: Steam cleaning and chemical-free sanitation support
- Voltage: 110 V
- Steam Temperature: Up to 248°F
- Steam Pressure: Up to 58 PSI
- Tank Capacity: 1.06 gal / 4 qt
- Cord Length: 24.5 ft
- Weight Without Accessories: 17.6 lb
- Dimensions: 19" L x 12.6" W x 10.8" H
Steam Cleaning Performance
The SG 4/4 uses high-temperature steam to support chemical-free cleaning on approved surfaces. Its compact size, professional tools, and continuous refill design make it a strong fit for detailed sanitation work in commercial buildings.
Helps clean grease, soil, grout lines, fixtures, and high-touch areas using water alone.
Targeted steam output supports detailed cleaning around corners, edges, grout, and fixtures.
Actual cleaning results vary by surface type, soil level, operator technique, accessory selection, and cleaning procedure. Always follow the operating manual and facility cleaning requirements.
Included with the Machine
- Selected Karcher SG 4/4 steam cleaner configuration
- Steam hose
- Extension tube
- Floor tool
- Hand tool
- Floor nozzle
- Power nozzle
- Point jet nozzle
- Funnel
- Round brush set
- Transport cart included only with cart configuration
Included Accessory SKUs
- Steam Hose – SKU 4.322-020.0
- Extension Tube – SKU 4.127-024.0
- Floor Tool – SKU 2.885-142.0
- Hand Tool – SKU 2.884-280.0
- Floor Nozzle – SKU 6.906-185.0
- Power Nozzle – SKU 2.884-282.0
- Point Jet Nozzle – SKU 2.884-281.0
- Funnel – SKU 4.013-030.0
- Round Brush Set – SKU 2.863-058.0
Optional Accessories & Replacement Parts
- Two Wheel Transport Cart – SKU 6.962-239.0 – Optional cart for standard SG 4/4 configuration.
- Window Nozzle – SKU 4.130-115.0 – Accessory for window and smooth surface cleaning.
- Window Wiper Blade – SKU 6.273-140.0 – Replacement blade for window cleaning tasks.
- Wallpaper Stripper – SKU 2.863-062.0 – Specialty steam accessory.
- Microfiber Cloth Set - Bathrooms – SKU 2.863-171.0 – Cloth set for restroom cleaning.
- Microfiber Cloth Set - Kitchens – SKU 2.863-172.0 – Cloth set for kitchen cleaning.
- Velour Floor Cloth Set – SKU 2.863-173.0 – Floor cloth set for compatible floor tool use.
- Velour Covers for Hand Tool – SKU 2.863-174.0 – Covers for hand tool applications.
- Floor Tool Replacement – SKU 2.885-465.0 – Replacement floor tool.
Need Help Choosing the Right Steam Cleaner Setup?
Monster Janitorial can help you decide whether the standard SG 4/4 or the transport cart configuration is the better fit for your facility.
- Review kitchen, restroom, hospitality, healthcare, and facility cleaning needs
- Compare portable use versus cart-mounted transport
- Confirm accessory and replacement part needs
- Support commercial cleaning teams, schools, and institutional buyers
Call 956-772-4842 or email sales@monsterjanitorial.com.
Manuals and Documents
- Karcher SG 4/4 Product Information Sheet
- Karcher SG 4/4 Operating Manual / Safety Information
- Karcher Parts Manuals and Model Lookup
Replacement Parts
Shop Karcher SG 4/4 steam hoses, nozzles, brushes, tubes, accessories, replacement components, and service parts.
Shop Karcher Replacement PartsManufacturer Warranty
Karcher commercial steam cleaning equipment is backed by the applicable Karcher commercial equipment warranty. Warranty coverage may vary by configuration, accessory, wear item, maintenance history, and application.
- Machine Coverage: Coverage follows the applicable Karcher commercial steam cleaner warranty policy.
- Accessory Coverage: Steam hoses, nozzles, brushes, tubes, cloths, and other accessories may have limited coverage or be covered only for manufacturing defects.
- Wear Items: Brushes, cloths, seals, nozzles, and other wear items are subject to normal wear and maintenance requirements.
- Service Requirement: Warranty repairs must be completed by an authorized service provider.
Questions? Email sales@monsterjanitorial.com or call 956-772-4842.
MJ University Learning Center
Learn more about steam cleaning applications, chemical-free cleaning programs, accessory selection, and choosing the right equipment for commercial facilities.
Visit MJ UniversityFrequently Asked Questions
Which SKUs are included on this combined page?
This page combines MJK10928050 and MJK98414140 into one Karcher SG 4/4 commercial steam cleaner page with standard and cart configuration options.
What is the difference between the two configurations?
The SG 4/4 steam cleaner is the standard portable unit. The cart configuration includes the steam cleaner with a transport cart for easier movement and accessory organization.
Does the SG 4/4 require chemicals?
No. The SG 4/4 is designed for steam cleaning with water alone. Always follow your facility cleaning procedure and any required sanitation protocols.
What temperature and pressure does it produce?
The SG 4/4 produces steam up to 248°F at up to 58 PSI.
Can it be refilled while operating?
Yes. The two-tank system allows the fresh water tank to be refilled during operation to support continuous cleaning.
What is the SG 4/4 best used for?
It is best used for commercial kitchens, restrooms, grout lines, hospitality spaces, healthcare facilities, schools, high-touch surfaces, and chemical-free detail cleaning.
Explore More Karcher Cleaning Equipment
Institutional Purchasing Support
- D-U-N-S Number: 080901706
- UEI Number: U4TYL7A5LEN9
- Purchase order support available for approved schools, government agencies, and institutions
- Tax-exempt account setup assistance
- Bid and specification support available
- Quote support available for facility managers, maintenance departments, hospitality buyers, healthcare facilities, and procurement teams
Why Choose Monster Janitorial?
- Authorized Karcher commercial cleaning equipment support
- Fast order processing
- Expert product support for steam cleaners, accessories, replacement parts, and facility cleaning equipment
- Commercial quote support for schools, healthcare, hospitality, government, and facility teams
Questions? Email sales@monsterjanitorial.com or call 956-772-4842.
Tax-Exempt Purchasing
Create an account and email your tax-exempt certificate to sales@monsterjanitorial.com.
