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Independent Technical Reference

Electric Pressure Washer

Electric pressure washer pressure, flow, nozzles and electrical checks

This profile separates rated and maximum pressure, flow at stated pressure, motor and pump, hose and cord reach, GFCI, nozzles, detergent delivery, water inlet and surface risk so buyers can compare electric pressure washers on equivalent evidence.

Included
  • Corded household and light-duty cold-water pressure washers
  • Portable, wheeled and compact jobsite-style electric formats
Excluded
  • Engine-driven and hot-water pressure washers
  • Battery-only low-pressure cleaners and specialist water-jetting systems

First published 2026-08-09 · Last verified 2026-08-09

This independent category reference is not electrical, water-system, surface, chemical or safety advice. High-pressure jets can cause severe injury and material damage. Confirm the exact regional model, circuit, GFCI/RCD, water supply, hose, gun, lance, nozzle, detergent, inlet limit, surface method and manual before procurement or use.

Official equipment reference
DEWALT DWPW2100 compact electric pressure washer in a protective frame
Official DEWALT product image showing a compact corded pressure-washer body; pressure, flow and accessory fit remain exact-model checks. Official image source
Electric Pressure Washer key facts
FactTechnical referenceScope boundary
Category boundaryMains-powered cold-water pressure washer for declared household or light-duty tasksNamed models; engine, hot-water and battery-only machines excluded.
Comparison boundaryMatch pressure and flow at the same declared operating pointExact source statement and nozzle configuration.

WCB explanatory visual

Electric Pressure Washer working system

An original system map synthesized from reviewed operator manuals. It explains functional flow, not a universal machine architecture.

  1. 01

    Electrical drive and water inlet

    Mains circuit, GFCI/RCD, cord, switch, motor, inlet filter and supply hose

    Powers the pump and provides water within the declared inlet conditions.

    EvidenceOfficial pages and manuals publish model-specific electrical and water-supply requirements.

    ScopeExact voltage, market, circuit and inlet.

    Verified2026-08-09

    Sourcesgreenworks-gpw2303a, dewalt-manual, stihl-manual, bosch-aquatak

  2. 02

    Pressurization and spray delivery

    Pump, high-pressure hose, trigger gun, lance, nozzle and detergent system

    Raises water pressure and forms the selected spray pattern.

    EvidenceManufacturers publish distinct pumps, hoses, nozzles and detergent arrangements.

    ScopeExact rated assemblies and operating limits.

    Verified2026-08-09

    Sourceskarcher-k5, greenworks-gpw2303a, dewalt-dwpw2100, ryobi-ry142022, stihl-re110

Equipment taxonomy

Main electric pressure washer formats

These formats describe operator relationship and task scale. None is a universal winner.

Top view of a DEWALT DWPW2100 compact electric pressure washer
Official field reference

Official DEWALT image illustrating a compact self-contained electric format; frame design does not establish duty rating.

Buyer focusUse the format as a starting point, then compare the operating envelope, utilities, duty cycle, operator workflow, accessory system and the exact configured machine.

Official image source

Wheeled household upright

Task scale
Outdoor household cleaning across patios, paths, vehicles and furniture where approved
Operator
User rolls the machine, routes cord and hose, and selects pressure or nozzle for the surface
Space
Outlet, water tap, cord, hose, wheels, reel and storage footprint
Limit
Maximum pressure does not establish surface safety or sustained duty.

EvidenceKärcher, Greenworks, RYOBI and STIHL publish wheeled corded formats.

ScopeNamed household configurations.

Verified2026-08-09

Sourceskarcher-k5, greenworks-gpw2303a, ryobi-ry142022, stihl-re110

Compact framed electric washer

Task scale
Portable household or light jobsite exterior cleaning
Operator
User carries or wheels a compact frame with internally stored spray equipment
Space
Stable placement, ventilation, cord and hose routing, stack or shelf dimensions
Limit
Compact packaging does not establish commercial duty cycle.

EvidenceDEWALT publishes a compact self-contained DWPW2100 format.

ScopeDWPW2100 and comparable exact models only.

Verified2026-08-09

Sourcesdewalt-dwpw2100, dewalt-manual

Specification dictionary

What the performance metrics do—and do not—mean

Electric Pressure Washer performance metric dictionary
MetricPurchasing meaningReporting boundaryComparison caution
Pressure and flowDefines the stated hydraulic operating point and affects jet impact and rinsing volumeRated, working, maximum and nozzle-qualified values must remain separateDo not multiply unrelated maximum pressure and maximum flow values into a performance ranking.
Reach, electrical load and inletDetermines setup feasibility, circuit suitability and pump water supplyCord and hose lengths, amperage or power, voltage and inlet temperature are separate constraintsLong reach or motor input does not establish cleaning result or duty cycle.
Pressure and flow evidence

EvidenceOfficial pages publish different pressure and flow conventions.

ScopeExact model, nozzle and declared point.

Verified2026-08-09

Sourcesgreenworks-gpw2303a, dewalt-dwpw2100, karcher-k5, stihl-re110

Reach, electrical load and inlet evidence

EvidenceManufacturers publish exact-model cord, hose, voltage, motor and inlet data.

ScopeNamed regional configuration.

Verified2026-08-09

Sourcesgreenworks-gpw2303a, dewalt-dwpw2100, karcher-k5, stihl-re110, bosch-aquatak

Evidence + WCB interpretation

Application-fit matrix

Official application evidence does not establish automatic suitability. Each row shows what still needs to be tested.

Angled view of a DEWALT DWPW2100 with its high-pressure hose stored in the frame
Official field reference

Official DEWALT image illustrating model-specific hose storage; visual fit does not establish cross-model compatibility.

Buyer focusTreat the photographed setting as context only. Validate utilities, surface compatibility, operating space, operator controls, environmental conditions and the planned work process on site.

Official image source

Patios, paths and durable exterior surfaces

EvidenceManufacturers identify applications while manuals warn about safe technique.

ScopeManufacturer-approved surface and exact machine.

Verified2026-08-09

Sourceskarcher-k5, ryobi-ry142022, stihl-safety, dewalt-manual

WCB assessment

Trial the least aggressive approved nozzle and distance on a concealed representative area.

Basis
Material, joints, coating, pressure, flow, angle, distance and dwell interact.
Limitations
An application icon does not guarantee zero erosion, etching or water intrusion.
Buyer action
Record nozzle, distance, pressure setting, detergent, area rate and surface change.

Vehicles, outdoor furniture and equipment

EvidenceOfficial product pages list qualified applications and spray equipment.

ScopeExact surface and operating procedure.

Verified2026-08-09

Sourceskarcher-k5, dewalt-dwpw2100, ryobi-ry142022, stihl-safety

WCB assessment

Confirm the manufacturer-approved nozzle, distance and detergent before a small-area trial.

Basis
Paint, seals, bearings, electrical components and soft materials can be damaged by concentrated jets.
Limitations
Vehicle or furniture wording does not approve every component or finish.
Buyer action
Protect sensitive areas and document water and chemical controls.

System component map

Component families and compatibility boundaries

Component families are labels only. No component link or cross-model compatibility is claimed.

WCB electric pressure washer component verification map
WCB technical diagram

WCB diagram connecting circuit, motor, pump, inlet, hose, gun, lance and nozzle checks; it does not establish accessory compatibility.

Buyer focusBefore substitution or service work, match the current manual, model and serial range, part number, physical interface, approved material or chemistry, and electrical configuration.

Evidence sourcesiec-60335-2-79, karcher-k5, greenworks-gpw2303a, dewalt-dwpw2100, dewalt-manual, ryobi-ry142022, stihl-re110, bosch-aquatak

Circuit, motor, pump and inlet

Supplies electrical and hydraulic input and raises water pressure.

Common variants
  • Universal motor
  • Brushless motor
  • Induction motor
Critical checks
  • Voltage, current and GFCI/RCD
  • Inlet flow, pressure, temperature and filter
  • Pump material, shutdown and storage procedure

EvidenceOfficial sources publish materially different motor and inlet arrangements.

ScopeExact regional model; no duty inference.

Verified2026-08-09

Sourcesgreenworks-gpw2303a, karcher-k5, stihl-re110, dewalt-manual

Hose, gun, lance and nozzle

Contains high-pressure water and forms the spray pattern at the target.

Common variants
  • Fan nozzle
  • Rotary or turbo nozzle
  • Adjustable-pressure lance
  • Detergent nozzle
Critical checks
  • Pressure rating and connector code
  • Nozzle size and spray angle
  • Trigger lock, hose inspection and pressure release

EvidenceManufacturers publish model-specific spray equipment and safety procedures.

ScopeNo cross-brand hose, gun, lance or nozzle compatibility.

Verified2026-08-09

Sourcesdewalt-dwpw2100, ryobi-ry142022, stihl-re110, karcher-k5

Verified relationships

Related brands and representative models

Representative, not exhaustive. A link means the official source connects the named brand and model; it does not establish a factory, OEM or component-supplier relationship.

6 verified models
Representative electric pressure washer models
BrandModelSubtypeOfficial specification referenceMarket scopeVerifiedSource
KärcherK 5 HomeWheeled household pressure washer with surface-cleaner kit
  • Maximum 145 bar
  • Maximum 500 L/h
  • 8 m high-pressure hose
Kärcher Kenya / 230 V2026-08-09karcher-k5
GreenworksGPW2303ABrushless wheeled corded pressure washer
  • 2300 PSI at 1.2 GPM
  • 2.3 GPM at 100 PSI
  • 35 ft GFCI cord
Greenworks US2026-08-09greenworks-gpw2303a
DEWALTDWPW2100Compact electric jobsite pressure washer
  • 2100 maximum PSI
  • 1.2 GPM with stated nozzle
  • 25 ft hose
DEWALT US2026-08-09dewalt-dwpw2100, dewalt-manual
RYOBIRY142022Wheeled medium-duty residential electric washer
  • 2000 PSI
  • 1.2 GPM
  • 15-degree, turbo and soap nozzles
RYOBI US2026-08-09ryobi-ry142022
STIHLRE 110 PLUSInduction-motor corded pressure washer with hose reel
  • 2000 PSI at 1.2 GPM
  • 23 ft hose
  • 120 V, 1.50 kW
STIHL US2026-08-09stihl-re110, stihl-manual
Bosch Power ToolsUniversalAquatak 130Compact wheeled high-pressure washer
  • Trio nozzle
  • 450 mL detergent nozzle
  • Extendable handle
Bosch DIY Australia2026-08-09bosch-aquatak

WCB decision support

Procurement decision matrix

No composite score or brand ranking. Each row identifies a comparison trap and the next verification action.

WCB assessment

Clean outdoor surfaces without avoidable damage

Verify
Pressure-flow point, nozzle, distance, detergent and area rate
Comparison trap
Ranking by maximum PSI or cleaning-units arithmetic alone
Assessment
Run a controlled representative-area trial with the least aggressive setup.
Basis
Surface and jet variables interact.
Limitations
Catalogue metrics do not guarantee outcome or productivity.
Buyer action
Record nozzle, pressure, flow basis, distance, dwell, water and result.

EvidenceOfficial sources publish qualified specifications and applications.

ScopeExact machine, nozzle and surface.

Verified2026-08-09

Sourcesgreenworks-gpw2303a, dewalt-dwpw2100, karcher-k5, stihl-safety

WCB assessment

Verify site and lifecycle fit

Verify
Circuit, GFCI/RCD, inlet, hose, nozzles, seals and service parts
Comparison trap
Assuming connector appearance establishes accessory interchangeability
Assessment
Attach exact electrical, water and part codes to the quote.
Basis
Safety-critical assemblies and ratings are model-specific.
Limitations
Future part supply is not guaranteed.
Buyer action
Obtain circuit requirements, part numbers, lead times, warranty and winterization procedure.

EvidenceManuals and product pages identify exact systems.

ScopeMarket and serial family.

Verified2026-08-09

Sourcesdewalt-manual, stihl-manual, bosch-aquatak

Engineering validation

Checks before parts, configuration or service decisions

This checklist narrows verification work; it is not a compatibility guarantee or repair manual.

01

Electrical supply and water separation

Wet outdoor use creates shock risk if circuit protection, plugs, cords or handling are wrong.

Required actionHave the exact circuit and GFCI/RCD arrangement checked against the manual and local rules.

EvidenceOfficial manuals and product pages specify protected corded configurations.

ScopeExact voltage, market and site.

Verified2026-08-09

Sourcesgreenworks-gpw2303a, dewalt-manual, stihl-manual, iec-60335-2-79

02

Pressure-containing parts and shutdown

Wrong hose, gun, nozzle or trapped pressure can cause injection injury or component failure.

Required actionVerify ratings and codes; inspect before use and release pressure exactly as instructed.

EvidenceManufacturer manuals and safety guidance define high-pressure controls.

ScopeExact machine and approved accessories.

Verified2026-08-09

Sourcesdewalt-manual, stihl-manual, stihl-safety

Standards boundary

Safety and performance references

IEC 60335-2-79

JurisdictionInternational / national adoptions

ApplicabilityParticular safety requirements for high-pressure cleaners and steam cleaners for household and commercial use.

EvidenceIEC publishes the standard scope; exact product conformity remains market- and model-specific.

ScopeUse the applicable edition and national adoption; this page does not certify any product.

Verified2026-08-09

Sourcesiec-60335-2-79

Technical developments

Selected changes in electric pressure washer systems

  1. Greenworks dated the GPW2702A operator manual revision

    The official manual illustrates ongoing model-specific documentation for electric pressure-washer safety and operation.

    EvidenceGreenworks hosts the dated official operator manual.

    ScopeManual-covered model only; no category-wide change is inferred.

    Verified2026-08-09

    Sourcesgreenworks-manual

Evidence record

Sources

First published 2026-08-09 · Last verified 2026-08-09 · Last material modification 2026-08-09

  1. standard

    IEC 60335-2-79 household and similar electrical appliances — high-pressure cleaners

    International Electrotechnical Commission

    Open official source

    Accessed 2026-08-09

  2. manufacturer

    K 5 Home pressure washer 1.180-637.0

    Kärcher

    Open official source

    Accessed 2026-08-09

  3. manufacturer

    2300 PSI 1.2 GPM cold-water electric pressure washer GPW2303A

    Greenworks

    Open official source

    Accessed 2026-08-09

  4. manual

    GPW2702A pressure washer operator manual

    Greenworks

    Open official source

    Accessed 2026-08-09

  5. manufacturer

    DWPW2100 2100 PSI 1.2 GPM electric jobsite pressure washer

    DEWALT

    Open official source

    Accessed 2026-08-09

  6. manual

    DWPW2100 instruction manual NA002858

    DEWALT

    Open official source

    Accessed 2026-08-09

  7. manufacturer

    RY142022 2000 PSI 1.2 GPM electric pressure washer

    RYOBI

    Open official source

    Accessed 2026-08-09

  8. manufacturer

    RE 110 PLUS corded electric pressure washer

    STIHL

    Open official source

    Accessed 2026-08-09

  9. manual

    STIHL RE 110 PLUS instruction manual

    STIHL

    Open official source

    Accessed 2026-08-09

  10. technical

    Pressure washer safety tips

    STIHL

    Open official source

    Accessed 2026-08-09

  11. manufacturer

    UniversalAquatak 130 high-pressure washer

    Bosch DIY

    Open official source

    Accessed 2026-08-09