Commercial Pressure Washer Guide
Choose commercial equipment by GPM, PSI, pump/drive system, hot vs. cold water, duty and downstream requirements.
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Current index of PressureWasherMatch.com pages. Live technical clusters now cover commercial machine sizing, PSI/GPM, pumps and pump parts, hoses, fittings, spray guns, wands/lances, nozzle sizing, surface cleaners, foam cannons, hose reels, unloaders, downstream injectors and sewer jetters, plus live RYOBI, SIMPSON, Kärcher, CRAFTSMAN, DEWALT, Greenworks, Sun Joe, Generac, Troy-Bilt and Westinghouse brand compatibility, a Honda-powered pressure-washer engine/pump guide, and current CAT, AR, General Pump, AAA and Comet pump-manufacturer references.
Machine selection
Pressure Washer PSI vs GPM
Pressure-vs-flow explanation, cleaning units and task-based sizing assistant.
Pumps
Pressure Washer Pump Guide
Pump types, shaft, mounting, RPM, flow, pressure, power and system compatibility.
Replacement Pressure Washer Pump
Replacement checklist and documented pump classes.
Pressure Washer Pump Finder
Filter the initial manufacturer-sourced pump dataset by orientation, shaft and output.
Pressure Washer Pump Oil
Model-specific oil type, capacity, maintenance-free pumps and service intervals.
Pressure Washer Pump Parts
Model-specific seal, valve, piston, oil-seal and rebuild-kit selection.
Pump manufacturers
CAT Pressure Washer Pumps
4DNX/66DX shaft, RPM, torque and direct-drive replacement criteria.
AR / Annovi Reverberi Pumps
RSV F25/F40 shaft, flange, RPM, flow and pressure classes.
General Pump Pressure Washer Pumps
EZ direct-gas, TS solid-shaft and PMR plumbing-package distinctions.
AAA Pressure Washer Pumps
Current 90036–90039 and 90034 replacement classes by shaft and output.
Comet Pressure Washer Pumps
ZWD, EWD and AXD shaft/unloader classes plus repair-kit cross-references.
Hoses, fittings, guns & wands
Pressure Washer Hose Guide
Hose diameter, length, pressure/temperature rating, M22 and quick-connect replacement compatibility.
Pressure Washer Fittings & Quick Connects
M22 14 vs. 15 mm, 3/8 vs. 1/4 quick connects, gender and adapter selection.
Pressure Washer Gun Guide
Replacement spray-gun inlet/outlet, pressure, flow, temperature and safety checks.
Pressure Washer Wand / Lance Guide
Fixed, extension and telescoping wand connections, ratings and reach.
Nozzles
Pressure Washer Nozzles
Orifice size vs. spray angle, standard tips, soap tips, turbo nozzles and compatibility.
Pressure Washer Nozzle Calculator
Calculate nozzle size from GPM/PSI or estimate resulting pressure and flow.
Pressure Washer Nozzle Chart
GPM/PSI/nozzle-size matrix plus common color and spray-angle reference.
Attachments & pressure-washer systems
Pressure Washer Surface Cleaner
Model-specific GPM, PSI, diameter, nozzle-count, connection and temperature matching with an embedded compatibility tool.
Pressure Washer Foam Cannon
Orifice sizing, GPM/PSI relationship, adapters, electric/gas considerations and an embedded reference aid.
Pressure Washer Hose Reel
Hose diameter/capacity, pressure, temperature, swivel, ports and mounting compatibility.
Pressure Washer Unloader Valve
Trapped-pressure vs. flow-actuated behavior, GPM/PSI, bypass plumbing, symptoms and safe selection.
Pressure Washer Downstream Injector
Flow-range selection, back-pressure behavior, connections and measured dilution calculator.
Pressure Washer Sewer Jetter
Machine GPM/PSI, jetter hose, nozzle-size and forward/rear jet matching.
Brand compatibility
RYOBI Pressure Washer Guide
Current electric, battery, gas and EZClean family boundaries.
RYOBI Pressure Washer Parts
Hose, gun, quick-connect, surface-cleaner, nozzle and pump-replacement paths.
SIMPSON Pressure Washer Guide
MegaShot, PowerShot, Pro, Aluminum and Industrial machine/pump families.
SIMPSON Pressure Washer Parts
Replacement pumps, hoses, guns, nozzles and surface-cleaner matching.
Kärcher Pressure Washer Guide
K-series, Performance Series, gas and 2026 universal-connection boundaries.
Kärcher Pressure Washer Parts
Model-specific hoses, bayonet guns and universal accessory paths.
CRAFTSMAN Pressure Washer Guide
Current corded, V20 and gas families plus the lower-pressure power-cleaner boundary.
CRAFTSMAN Pressure Washer Parts
Surface-cleaner, hose, wand, brush and gas-pump replacement requirements.
DEWALT Pressure Washer Guide
Power cleaners, cordless/compact electric and professional gas/electric systems.
DEWALT Pressure Washer Parts
Documented M22, 1/4-in and 3/8-in quick-connect accessory paths.
Greenworks Pressure Washer Guide
Corded, 60V/80V pressure washers and the separate 24V power-cleaner family.
Greenworks Pressure Washer Parts
Hose pressure classes, gun/wand SKUs, 1/4-in QC and surface-cleaner matching.
Sun Joe Pressure Washer Guide
Current SPX families, rated output, bayonet/M22 boundaries and model-specific accessory paths.
Sun Joe Pressure Washer Parts
Verified SPX trigger gun, hose, adapter and pipe-cleaning fitment paths.
Generac Pressure Washer Guide
Current electric and gas families, including professional triplex and belt-drive classes.
Generac Pressure Washer Parts
Consumer M22 vs. professional quick-connect hose/gun paths and model-specific parts lookup.
Troy-Bilt Pressure Washer Guide
Current and legacy Briggs & Stratton-powered machines with exact model-aware accessory matching.
Troy-Bilt Pressure Washer Parts
Manufacturer-listed hoses, gun, wand, fittings, tips and service-part lookup by model.
Westinghouse Pressure Washer Guide
WPX/ePX families, max vs. rated output and accessory pressure/connection boundaries.
Honda-Powered Pressure Washer Guide
GX/GCV engine families, horizontal vs. vertical shaft orientation and the engine-to-replacement-pump decision path.
Core pages
Home
Pressure-washer compatibility and sizing hub.
Compatibility Methodology
Evidence hierarchy and result statuses.
Recommended Tools
Compatibility-first purchase-path framework.
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