Product Description
Karcher Emission-Free Hot Water Cleaning
Electric-heated hot water pressure washer with 1.6–3.3 GPM flow, up to 2520 PSI, and 460V or 575V three-phase configurations for indoor industrial cleaning.
The Karcher HDS-E 3.3/25-4 M is an electric heated hot water pressure washer designed for indoor commercial and industrial cleaning environments where exhaust fumes are not allowed or not desired. With a variable flow range of 1.6-3.3 GPM, operating pressure up to 2520 PSI, and emission-free electric heating, this Special Class HDS-E model is built for demanding indoor degreasing and high-temperature cleaning applications.
This combined page includes the HDS-E 3.3/25-4 M Ec and HDS-E 3.3/25-4 M Ef models. Both provide the same cleaning performance with different 3-phase voltage configurations. Choose the correct voltage option for your facility power setup before ordering.
Quick Highlights
Available Configuration Options
This page combines two Karcher HDS-E 3.3/25-4 M Special Class models. Both options provide 1.6-3.3 GPM flow and up to 2520 PSI cleaning pressure. Choose the correct 3-phase voltage option for your facility.
| Option | Store SKU | MFG Part Number | Flow / Pressure | Electrical |
|---|---|---|---|---|
| HDS-E 3.3/25-4 M Ec | MJK10309020 | 1.030-902.0 | 1.6-3.3 GPM / 465-2520 PSI | 460V / 3-Phase |
| HDS-E 3.3/25-4 M Ef | MJK10309030 | 1.030-903.0 | 1.6-3.3 GPM / 465-2520 PSI | 575V / 3-Phase |
Important Electrical Note
These are 3-phase electric hot water pressure washers. Always confirm voltage, phase, connected load, plug requirements, breaker requirements, and facility electrical service before ordering.
Recommended Applications
- Indoor industrial cleaning
- Manufacturing plants and production areas
- Warehouses and logistics facilities
- Transit and transportation maintenance facilities
- Industrial degreasing and equipment cleaning
- High-temperature cleaning where exhaust fumes are not allowed
- Facilities needing electric heated hot water cleaning without diesel-fired exhaust
Key Features
Emission-Free Electric Heat
The electric heating system supports hot water cleaning in indoor environments where gas or diesel burner exhaust is not acceptable.
Variable Flow and Pressure
Adjustable 1.6-3.3 GPM flow and 465-2520 PSI pressure let operators match cleaning output to the task.
eco!efficiency Mode
eco!efficiency mode helps reduce energy use and operating costs during longer cleaning sessions.
EASY!Force Trigger Gun
EASY!Force trigger gun technology helps reduce operator fatigue during commercial cleaning work.
EASY!Lock Accessory System
EASY!Lock connections help speed up setup, hose connection, and accessory changes.
Industrial Mobility
Large wheels and a tilting aid help operators move the machine through industrial and facility environments.
Best For
- Facilities requiring emission-free hot water cleaning
- Indoor warehouses, production areas, and manufacturing plants
- Transit, logistics, and maintenance facilities
- Industrial degreasing and heavy soil removal
- High-temperature cleaning where exhaust gases are prohibited or undesirable
- Customers needing 460V or 575V 3-phase electric hot water pressure washer options
Not Ideal For
- Facilities without compatible 3-phase electrical service
- Outdoor jobsites requiring gas or diesel portability
- Applications requiring pressures above 2520 PSI
- Small areas that only need compact 120V pressure washing
- Cold-water-only cleaning applications
Technical Specifications
- Manufacturer: Karcher
- Series: HDS Special Class
- Parent Store SKU: MJK10309020
- Parent Manufacturer Part Number: 1.030-902.0
- Combined Store SKUs: MJK10309020, MJK10309030
- Combined Manufacturer Part Numbers: 1.030-902.0, 1.030-903.0
- Clean SKU References: 10309020, 10309030
- Machine Type: Electric hot water pressure washer
- Pressure Washer Type: Electric heated hot water pressure washer
- Flow Rate: 1.6-3.3 GPM
- Operating Pressure: 465-2520 PSI
- Heating Type: Electric heated hot water system
- Emission-Free Operation: Yes
- Power: 7.5 HP
- Electrical Options: 460V 3-phase, 575V 3-phase
- Connected Load: 48 A for 1.030-902.0; verify by selected configuration
- Dimensions: 52.4" L x 29.5" W x 41.7" H
- Machine Weight: 287.3 lb for 1.030-902.0; verify by selected configuration
Emission-Free Indoor Hot Water Cleaning Performance
The HDS-E 3.3/25-4 M is designed for facilities that need high-temperature cleaning without combustion exhaust. It provides variable water flow, strong operating pressure, and electric heated hot water performance for indoor industrial cleaning environments.
Adjust flow based on cleaning task, surface, and facility requirements.
Supports both lower-pressure cleaning and stronger degreasing performance.
Ideal for indoor areas where exhaust fumes are not acceptable.
Choose 460V or 575V based on your facility power setup.
Model Comparison
| Model | MFG Part Number | Flow / Pressure | Electrical | Best For |
|---|---|---|---|---|
| HDS-E 3.3/25-4 M Ec | 1.030-902.0 | 1.6-3.3 GPM / 465-2520 PSI | 460V / 3-Phase | Facilities with 460V three-phase power |
| HDS-E 3.3/25-4 M Ef | 1.030-903.0 | 1.6-3.3 GPM / 465-2520 PSI | 575V / 3-Phase | Facilities with 575V three-phase power |
Actual cleaning performance varies by water temperature, detergent selection, surface type, soil level, nozzle selection, operator technique, and available electrical supply.
What's Included
- Selected Karcher HDS-E 3.3/25-4 M electric hot water pressure washer configuration
- 4.118-005.0 - EASY!Force trigger gun, standard
- 4.112-000.0 - 41" spray lance, standard
- 6.110-030.0 - 50 ft high-pressure hose with ANTI!Twist connection, standard
- 2.113-009.0 - Power nozzle, 047, standard
Optional Accessories
- 2.111-013.0 - Surface cleaner, FR 30 ME
- 4.111-037.0 - Coupler
- 4.118-007.0 - Servo Control
- 4.111-036.0 - Adapter for EASY!Lock wand connecting to M18 Dirtblaster nozzle
- 4.111-041.0 - Adapter for EASY!Force trigger gun connection to 3/8" hose
- 8.750-685.0 - 100 ft pivot reel
- 8.921-775.0 - Hose reel bracket, complete with EASY!Lock adapter, street elbow, and 6 ft jumper hose
Recommended Pressure Washer Chemicals
Pair this equipment with professional-grade detergents designed for industrial cleaning and equipment protection.
- 8.698-225.0 - Vehicle Tire and Rim Cleaner
- 9.803-744.0 - Concrete Cleaner
- 8.698-221.0 - Vehicle Pre-Soak
- 8.698-147.0 - Vehicle Wax
- 9.803-726.0 - Vehicle Wash and Wax
- 9.803-742.0 - Coil Descaler
- 9.556-010.0 - Pump and Coil Protectant Concentrate
- 9.556-011.0 - Pump and Coil Protectant RTU
Shop Pressure Washer Chemicals
Request a Free Equipment Consultation or Demo
Not sure if this is the right pressure washer for your application? Monster Janitorial can review your facility power, cleaning requirements, and indoor-use needs before shipment.
- Confirm 460V or 575V 3-phase power requirements
- Review indoor cleaning and emission-free operation needs
- Compare HDS-E electric heat vs diesel-fired hot water pressure washers
- Help select chemicals, nozzles, hoses, hose reels, and accessories
Call 956-772-4842 or email sales@monsterjanitorial.com.
Manuals and Documents
- Karcher HDS-E 3.3/25-4 M Ec Product Information Sheet - 1.030-902.0
- Karcher HDS-E Operating Manual / Safety Information
- Karcher HDS-E Operating Manual
- Karcher Parts Manuals and Model Lookup
Replacement Parts
Shop Karcher HDS-E hoses, guns, lances, nozzles, pumps, electric-heating components, fittings, reels, and related service parts.
Shop Karcher Replacement PartsExplore More Karcher Pressure Washers
- Shop Hot Water Pressure Washers
- Shop Pressure Washers
- Shop Karcher Pressure Washer Accessories
- Shop Pressure Washer Chemicals
- Browse Karcher Cleaning Equipment
MJ University Learning Center
Learn about electric hot water pressure washers, indoor cleaning requirements, three-phase electrical planning, GPM and PSI selection, chemical compatibility, and preventive maintenance.
Visit MJ UniversityManufacturer Warranty
Karcher commercial pressure washers are built for professional daily use. Warranty coverage may vary by machine, pump, motor, heating system, wear items, maintenance history, and application.
- Machine Coverage: Coverage follows the applicable Karcher commercial pressure washer warranty policy.
- Wear Items: Nozzles, hoses, seals, o-rings, guns, lances, and other consumable parts may carry shorter coverage or be covered only for manufacturing defects.
- Service Requirement: Warranty repairs must be completed through authorized service channels.
- Documentation: Keep serial number and proof of purchase for warranty support.
Frequently Asked Questions
Which models are included on this page?
This page includes the Karcher HDS-E 3.3/25-4 M Ec and HDS-E 3.3/25-4 M Ef electric heated hot water pressure washer models.
What is the difference between the Ec and Ef models?
Both models provide the same 1.6-3.3 GPM and 465-2520 PSI performance. The Ec model is 460V / 3-phase, and the Ef model is 575V / 3-phase.
Is this pressure washer emission-free?
Yes. The HDS-E uses electric heat, making it a strong choice for indoor facilities where combustion exhaust gases are not allowed or not desired.
Does this require 3-phase power?
Yes. These models require 3-phase electrical service. Choose either the 460V or 575V option based on your facility power.
What is this pressure washer best used for?
It is best for indoor industrial cleaning, manufacturing areas, warehouses, transit facilities, degreasing, and high-temperature cleaning where exhaust fumes are not acceptable.
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, contractors, and procurement teams
Why Choose Monster Janitorial?
- Authorized Karcher commercial pressure washer support
- Fast order processing
- Expert product support for pressure washers, hoses, nozzles, chemicals, accessories, and replacement parts
- Commercial quote support for manufacturing, warehouses, transit facilities, industrial buyers, and commercial cleaning 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.
