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Search Glossary Terms

The Guys @ Powerwash.com have created this glossary of power washing terms to provide an easy-to-understand guide, covering a wide range of definitions, from nozzle types to various chemicals used in the cleaning process. It also includes terminology related to safety and maintenance and common industry standards and regulations.

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Acid
Adjustable Pressure Regulator
Adjustable Spray/Multi-Reg Nozzle
Agitated state
Airless foamer nozzle
Atmospheric pressure
Axial Cam
Axles
Ball valves
Belt Drive
Boiler
Brake system
Burner
By-pass style diaphragm pump
Bypass Mode
Cam lever
Caster
Cavitation
Ceramic vs. Nonceramic Plungers
Chemical bond
Chemical Injector
Chlorine (Cl)
Cleaning Units
Closed nozzle
Cold-water power washer
Compound
Corrosive element
Counter-clockwise
CU (cleaning unit)
Cycling action
Degreasers
Demand style diaphragm pump
Diaphragm pump (Membrane pump)
Direct Drive
Downstream injector
Drag brake
Dual downstream injector
Dual lance wand (Dump Gun)
Efficiency
Electrical bonds
Electrical charges
Engine (Diesel, Gas, Electric motor or Hydraulic power source)
Extension wand
EZ Start Adjustable Unloader
Float tank
Flow switch
FNPT
Frame
Frame (Powder Coated)
Fuel filter
Fuel line
Fuel nozzle
Gallons Per Minute (GPM)
Gearbox Pumps
GFCI
GPM
GPM (gallons per minute)
Handles
Head room
Heating coil
High Pressure Outlet
High-limit switch
High-Pressure Pump
Hot box
Hot-water unit
House Wash Mix
Hydrocarbons
Hydrochloric acid
Hydrofluoric acid (HF)
Hydrophilic
Hydrophobic
Internal brake
J-Rod
MEG spray nozzle
Metering valve
Nozzle
Nozzle orifice size
OHV
OHVI
One-step sump pump setup
Oven-cured (Baked) enamel
Percolation area
Plumbers Tape
Pounds Per Square Inch (PSI)
Powder Coating
Power booster
PPE (Personal Protective Equipment)
Pressure (PSI)
Pressure differential
Pressure Gauge
Pressure switch
Pressure Washer Gauge
Pressure Washer Hose
PSI
PSI versus GPM
Pump
Purge
Q-nozzle
Quick connects
Receiver lance
Recovery vacuum system
Regular dome nozzle
Rocket nozzles
Roll-over nozzles
Rotating nozzle
RPM
Safety Relief Valve
Sand blasting kits
Sand dams
Sand nozzle
Sanitary sewer
Schedule 80 steel pipe
Sewer jetters
Sewer Line Definition
Sewer nozzles
SH (Sodium Hypochlorite)
Side-handle valve
Single-stage flame
Sodium hypochlorite
Spigot
Spray bar
Spray gun
Spray nozzle (Spray tip)
Spray Nozzle (Washer Tip)
Stainless Steel
Steel tubing
Storage Rack
Support wand belt
Surface cleaner
Surface cleaner’s housing
Surface tension
Swivel
Temperature
Thermal Relief
Thermal Relief Valve
Thermostat
Title One
Trigger Gun
Tungsten carbide nozzle
Turbo nozzle or turbo tip
Unloader
Unloaders and Relief Valves
Upstream injection
V-Jet spray nozzle
Venturi effect
Vortex
Wand
Wastewater
Wastewater reclaim system
Water booms
Water Flow (GPM)
Water inlet filters
Water-insoluble
Water-soluble
Waters of the state
Weak attraction force (van der Waals forces)
Wheels
Work (HP)
X-jet nozzle
Zebra stripes
Zero-degree spray nozzle
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