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Education

Mosquito's Spotter Buying Guide

Let us walk you through our PSI options and explain when to choose heated or cold, so you can find the best fit for you.

How to choose the right psi Pump

PSI stands for pounds per square inch. It measures spray pressure. Higher PSI generally increases solution flow. Choose the PSI that suits your material and provides enough solution to rinse effectively. The right pretreatment and dwell time can help loosen soil before rinsing. Always follow material care instructions.

55 PSI : Lower Pressure Spot Cleaning

 Consider 55 PSI for everyday spot cleaning when lower solution pressure provides enough rinsing for the job. Examples include an isolated spill on carpet, a small soiled area on a water-cleanable office chair, or a touch-up on suitable fabric vehicle seating.


With the same nozzle under equivalent conditions, lower operating pressure generally uses less solution during the same spray time than higher-pressure options. That can mean fewer stops to refill your spotter, provided the job does not require longer spraying or additional wet passes.

120 PSI : An Option for Mixed Jobs

 Consider 120 PSI when your everyday cleaning calls for more solution pressure than the 55 PSI option. Examples include cleaning soiled areas on water-cleanable vehicle seats, suitable commercial upholstery, or carpeted stairs with a compatible tool.


With the same nozzle under equivalent conditions, 120 PSI generally delivers more solution during the same spray time than 55 PSI, but less than 220 PSI. It offers a middle option when greater solution delivery helps with rinsing, without choosing the highest-pressure model. You may need to refill more often than with 55 PSI, depending on how much spraying the job requires.

220 PSI : Higher Pressure Spot Cleaning

 Consider 220 PSI when your cleaning task calls for greater solution pressure and the material and tool are suitable. Examples include soiled areas on durable, water-cleanable carpet, carpeted stairs with a compatible tool, or jobs where lower-pressure rinsing does not meet your needs.


With the same nozzle under equivalent conditions, 220 PSI generally delivers more solution during the same spray time than 55 or 120 PSI. It provides the greatest solution delivery of our three pressure options, but may require more frequent refills. Control spray time and wet passes so you do not apply more solution than the tool can recover effectively.

Is Higher PSI Always Better?

The short answer, No.

A stubborn stain may need a specific cleaning treatment and enough time for it to work—not more pressure.


For example, an oily mark on a chair arm may respond better to an appropriate pretreatment that loosens the oil before rinsing. A food-coloring stain may need a targeted stain remover because the color has affected the fibers. Higher pressure alone may not remove it.


Dwell time means allowing the cleaning product to work for the time specified on its label before rinsing. The right treatment, gentle agitation where appropriate, and sufficient dwell time can make more difference than increasing PSI.


Adding pressure can deliver more water without improving stain removal. Choose the pressure that rinses effectively while keeping moisture under control, and always follow the material’s care instructions. Some stains cause permanent color changes and cannot be removed through additional cleaning.

Best Practices with Any PSI

 Vacuum loose dry soil first. Identify the material and stain, select an appropriate treatment, and allow its instructed dwell time.


Keep the tool in its intended cleaning position. The nozzle’s distance from the surface affects coverage; lifting the tool to create a wider spray can reduce effective recovery.


Use controlled wet passes, followed by recovery passes without spraying. If the area remains visibly stained, reassess the treatment before adding more water, pressure, or heat.

Heated or Non-Heated?

 Pressure and heat do different jobs. Pressure delivers solution; heat can help loosen certain soils.

 Choose heated when your regular work benefits from warm solution.

Heat is worth considering when you frequently remove oils, greasy residue, and general grime from materials approved for heated water extraction.


Examples include:

  • Body oils on suitable upholstery.
  • Oily buildup on compatible vehicle seating.
  • Greasy soil on suitable carpeted areas.

Example: A compatible upholstered chair has oily buildup on its arms. The right pretreatment and dwell time, followed by heated extraction at a suitable pressure, may be more useful than increasing pressure alone.


Heat works alongside the cleaning chemical, agitation, and contact time. It does not replace them.

 Choose non-heated when onboard heat is unnecessary.


A non-heated spotter is worth considering when your regular process does not need onboard heating.


Examples include:

  • Routine localized cleaning that responds well without added heat.
  • Jobs using treatments that specify cooler solution.
  • Materials whose approved cleaning process restricts temperature.


Non-heated describes the machine’s heating capability. It does not automatically establish a safe cleaning temperature or make the machine suitable for delicate fabrics.

When Heat Should Be Avoided

 Blood and certain protein-containing stains: Heat can set blood stains and can make some food stains harder to remove. Follow a stain-specific treatment rather than assuming hotter is better.


Temperature-sensitive materials: Follow the material manufacturer’s cleaning instructions and temperature limits.


Temperature-sensitive cleaning products: Use the chemical’s specified temperature, dilution, and dwell time.


Materials unsuitable for wet extraction: Turning off the heat does not make water extraction appropriate. Some upholstery requires dry cleaning or another specialist method.

Why Mosquito's Spotter Is Better

Extension Cord Wrap

Extension Cord Wrap

Extension Cord Wrap

Molded in cord wrap with quick release. Just pull from a bottom corner and you're ready to go! No unwinding required.

Quick Waste Removal

Extension Cord Wrap

Extension Cord Wrap

Single rotary latch allows for quick removal of the recovery tank for easy disposable of dirty water.

Noise Diffusion

Extension Cord Wrap

Noise Diffusion

Mosquito encapsulates the vacuum in

a double-walled liquid filled chamber for

maximum noise reduction.

Exhaust is then fed into the sound

suppression chamber shown above for

further noise cancelling.

Hidden Handle

In-Line Clear View Filtration

Noise Diffusion

Mosquito encapsulates the handle between the solution and recovery tanks allowing you to hide your handle until you need it as well as allowing a comfortable transportation of your machine without heavy lifting.

In-Line Clear View Filtration

In-Line Clear View Filtration

In-Line Clear View Filtration

In-line clear view filter eliminates motor damage caused by liquid starvation to the pump. It's stainless steel and washable.

Pigtail Cord Protection

In-Line Clear View Filtration

In-Line Clear View Filtration

The Mosquito Spotter pigtail cord is recessed inside the spotter, eliminating the chance of pigtail cord damage. A common costly failure in our competitors machines.

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