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Internet # 305524481

Model # 4710SQ

Store SKU # 1003236729

Quiet Flow 4.7 Gal. 1.0 HP Portable Electric Oil-Free Air Compressor

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  • Designed as one of the quietest air compressors in the industry
  • Oil-free pump 1000 hours before service
  • Lightweight for easy transporting (43 lbs.)
  • View More Details
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Product Details

About This Product

The Quiet Flow 4710SQ Air Compressor is designed to be one of the quietest air compressors in the industry having only 60 decibels of sound. The Quiet Flow Series is specifically designed for the DIY and Homeowner customer. The powerful 1.0 HP motor operates at only 1680 RPM creating less noise and less wear. The Oil-Free Dual Piston Pump System is engineered for high performance and durability. The CAT-4710SQ Air Compressor has a Oil-Free Dual Piston pump designed to have a life cycle before wear of 3000 Plus hours compared to other brands of air compressors with life cycles of 500-hours or less. The Oil-Free pump allows for use in a variety of temperatures and uneven terrains. The 4.7 Gal. Steel Air Tank is Lightweight (43 lbs.) and very easy to transport. This air compressor is ideal for anyone working inside where noise is a major issue.


  • Quiet only 60 dB
  • Powerful 1.0 HP (rated /running) 2.0 HP (peak) motor
  • Oil-free pump cleaner air for better tool operation and less maintenance and costs
  • 4.7 Gal. steel air tank only 43 lbs. and easy to transport
  • 3.1 CFM at 40 psi and 2.2 CFM at 90 psi
  • 2-pressure control gauges
  • 1-universal / industrial 1/4 quick connector
  • 120 psi maximum pressure
  • 110-Volt/60 Hz
  • Low Amp Draw - 8.5 Amp
  • Time to fill tank from empty to full-106-seconds
  • Recovery time from 90 psi to 120 psi - 29-seconds
  • 19.5 in. W x 9.5 in. W Dia x 24 in. H
  • Thermal overload protector
  • Comes complete with air filter
  • 1-year limited warranty
  • Return Policy
  • California residents
     see Prop 65 WARNINGS

Product Information

Internet # 305524481

Model # 4710SQ

Store SKU # 1003236729


Dimensions: H 24 in, W 19.5 in, D 9.5 in


Product Depth (in.)

9.5 in

Product Height (in.)

24 in

Product Width (in.)

19.5 in


Air Delivery SCFM @ 40PSI


Air Delivery SCFM @ 90PSI


Amperage (A)

8.5 A

Application Use

Air Brushing, Blow Cleaning, Brad Nailing, Finish Nailing, Hobby Nailing, Hobby Painting, Inflation, Stapling

Battery Amp Hours

No Battery


Tool Only

Charger Included

Charger Not Included

Compressor Tank Capacity (gal.)

4.7 gal

Compressor Type

Light Duty

Compressor Volume Rating


Compressor/Air Tool Features

Automatic Start/Stop, Handle, Universal Quick Connectors



Decibel Rating (Outdoor)

60 dBA

Horsepower (hp)

1 hp


No additional components or accessories are included

Included in Combo

Compressor Only

Lubrication Type

Oil less

Maximum Pressure (PSI)

120 PSI

Number of Total Batteries Included




Power Source


Power Type

Corded Electric

Product Weight (lb.)

43 lb





Stage Count

Single Stage

Tank Material


Tank Style


Tools Product Type

Air Compressor

Voltage (V)

110 V

Voltage (v)


Warranty / Certifications

Certifications and Listings

ETL Listed

Manufacturer Warranty

1 Year Limited Warranty

Questions & Answers

Q:The technical specifications on this page say 65 db and 2.0 CFM @ 90 psi. The product details description says 60 db and 2.2 CFM @ 90 psi. The product details on the California Air Tools website says 60 db and 2.2 CFM @ 90 psi. Which is accurate?
by|Jan 24, 2024
1 Answer
Answer This Question

A:  60 dB and 2.2 CFM @ 90 psi is accurate. The 4710SQ 2nd generation models feature the new SP-9413 motor pump which yields 2.2 CFM @ 90 PSI and are Ultra Quiet at just 60 dB noise level. We will submit a ticket to correct the listing herein.

by|Jan 25, 2024
    Q:What diameter tube connects to the connectors
    by|Mar 20, 2023
    1 Answer
    Answer This Question

    A:  Thank you for the interest in the California Air Tools 4710SQ Quiet Air Compressor. Unfortunately we do not understand your question. Please contact California Air Tools Customer Service for help. 866-409-4581 M-Th 8am -3pm Pacific Time. Thank you

    by|Mar 21, 2023
      Q:What is the cord length?
      by|Mar 14, 2023
      3 Answers
      Answer This Question

      A:  The 4710SQ has a power cord of 65"

      by|Mar 15, 2023

        A:  The manufacturer does not supply that information. We do not have the product at this location to measure. Mike

        by|Mar 15, 2023

        A:  Five (5) feet. 

        by|Mar 16, 2023
          Q:Can this air compressor run a frame nailgun?
          by|Mar 26, 2021
          1 Answer
          Answer This Question

          A:  Thank you for the interest in the California Air Tools 4710SQ Quiet Flow Air Compressor. We suggest looking at the (CFM) air requirements of air tools you are planning on using. The 4710SQ produces 2.00 CFM @ 90 PSI. In the case the air tools CFM exceeds the the amount of air (CFM) the air compressor can make, you can use just the air out of the air tank. for a short period of time. For high flow CFM air tools the motor will not keep up with you air tool.

          by|Mar 9, 2022
            1 found this answer helpful
            Showing 1-4 of 15

            Customer Reviews

            4.8 out of 5

            • 4.8 out of 82 reviews
            • 89% recommend this product
            Filter by:
            Showing 1-10 of 82 reviews
            Impress how quiet and holds enough air pressure
            Works like a charm..Highly recommend it!!! I use it to inflate tires, blow dust in my garage/driveway and even use my impact gun to do simple tire rotations on my vehicles. If y'all looking for a quiet and small compressor this is the one to consider and worth every buck!
              • Recommended
              Works like a charm..Highly recommend it!!! I use it for inflating tires, blow dust in my garage/d...
              Works like a charm..Highly recommend it!!! I use it for inflating tires, blow dust in my garage/driveway and even strong enough for my impact gun and do simple tire rotations on my vehicles. If you y'all looking for a quite and small compressor this compressor will do the job.
              • Verified Purchase
              • Recommended
              The ratings/recommendation I've given are based on unboxing/inspection/first-use and then a coupl...
              The ratings/recommendation I've given are based on unboxing/inspection/first-use and then a couple more days of use so far, will update later as needed... The 4710sq just got delivered and I was dismayed to see written on the side of the box "Made in China". There is also another prominent "Made in China" sticker on the pump itself. Nowhere on this website that I can see does it say where the thing is made. Before buying, I went to the California Air Tools site and looked at all their stuff including the "About Us" page and nowhere does it say the word China. It says that they have assembly plants in San Diego and a tank assembly plant in Mexico. I understand "assembly" can mean they're still getting parts from somewhere else including, and probably, China. Now, maybe I just got snookered by devious marketing that just doesn't tell the WHOLE truth. The "About Us" page just gives a history. Nowhere else on their site do they actually claim to make anything in the US that I can find, I should have taken that clue more seriously, instead I WANTED to believe they were actually at least assembling in the US and even making tanks in Mexico (I'd much rather be giving our neighbor Mexico jobs than China at this point) and took that printed history on the "About Us" as enough evidence to support that belief. That's my fault. I'm just writing this to provide the honest information for everyone else that the vendor SHOULD be providing. …In the videos on the California Air Tools website, they show how to disassemble the pumps and replace parts that are worn, that was another selling point for me, I hope that still turns out to be true AND I can actually get the parts when that time comes. This factored in my buy decision: I thought that at least if it's an American-assembled product, there would be a better probability of the parts being available. I really WANT to like this unit and for it to be of good quality, etc., but I also know I have to be reasonable in my expectations, since it's only a "cheap" $130 air compressor. I can buy bigger/better when I need to and this experience will affect that decision (but, no, unfortunately I can't just go to grainger and buy a "real" compressor for the price of a car). First off, the packaging is barely passable, even for a "cheap" product, there are only some styrofoam endcaps between the tank and box. At least those worked. The box got banged around with a couple holes tears in it. The ~2" of foam protected the tank, but the rest of the unit is right up against the sides of the box. Whoever boxed the unit just stuffed the plastic bag/cover down into the box instead of covering the whole unit, fortunately it looks like this didn't matter since the box shows no signs of water damage. Some of the paint got rubbed off the handle by the ridges in the cardboard. The pressure sensor box is RIGHT up against the cardboard and even dented the inside of the box, it doesn't look or feel damaged at this point but we'll see about that shortly... Pre-First Use: I inspected the whole unit looking for any other obvious defects/damage, welds and everything look ok to my relatively untrained eye for such things. I put the rubber feet on and the the air filter. I noticed the cap on the intake air filter assy has a significant enough dent right on the locking part (the cap appears to come off with a small but firm turn to allow changing the filter inside) that my initial effort to take the cap off was not successful. The scratches on the dent make it look like the damage happened BEFORE it was put in the box, somebody was in a big hurry packaging this unit, looks like the air filter was dropped on the cement then picked up and hastily stuffed into its bag and then stuffed in the box along with the larger bag that was supposed to cover the whole unit itself. The handle is secured by 2 decent-sized set screws on either end (4 total), and despite the fact that they're all nice and tight, the handle feels loose, it rocks a little back and forth just enough to make you nervous when you’re holding almost 50lbs over your sneaker covered toes. The unit felt heavier than I thought it would but that's not necessarily a bad thing. With both hands I'm able to lift it onto a waist high bench (I'm not a big guy) and I can easily lug it around if I need to. The weight will force me to be careful (which you should be anyway with something like this that can hurt you). Other than that, the overall appearance/feel of quality isn't bad, especially for the price, the power cord is beefy enough, rubber feet feel like real rubber. The pressure sensor electronics look a little off-kilter from the sensor itself which looks used (scuff/scratches), the plastic housing of the press sensor feels ‘loose’ as it can be easily rotated a few degrees to make it ‘straight’ but still not ‘tight’. I left it alone other than slightly turning it and then putting it back where it was because I don’t know if it supposed to be tight or whether it matters. Manual: The manual does have an ‘exploded’, numbered parts diagram with table of part numbers, detail goes down to level of bearings, rotor, stator in motor, all little parts in pump, housings, etc., but the diagram doesn’t show the pressure sensor electronics for some reason. First Turn-On: Made sure all valves were closed, plugged it in and flipped the lever to turn it on. It IS nice and quiet and the weight and rubber feet seem to help reduce the transmitted vibrations. Only PROBLEM was that the first time the pressure switch was supposed to operate, it DID NOT. I watched the pressure climb past the 120 mark toward 130 thinking "hmmm... " when the safety release valve opened up scaring the ____ out of me. I collected myself back together, turned it off (pump was still running with safety valve open), reinspected everything but couldn't think of anything else to do but try it again (since the safety valve seemed to be working). First Turn-On re-try: Turned it back on, watched the pressure carefully ready to pull the safety valve myself this time if it didn't open up, but this time the pressure switch operated perfectly and it stopped at 120.... and NO leaks... I expected to get SOME leaking. I sprayed soapy water on all the connections just to be sure and no bubbles at all. That doesn't mean things won't come loose later with all the vibration and temp cycling in garage, hence I wasn't going to be overly disappointed with small leakage out of the box and even expected, for this price, to have to fix a leak or two. First Use: Put together my Husky brand hose, fittings, blow gun and tire inflator (using teflon tape where necessary) and used it to check and top off tires and do some dust blowing. The Quick Disconnect that comes mounted to the pump itself seems to be just a little lower quality than the Husky stuff I bought off of the HD shelf, but everything seems to be ok and not leaking. I find it easier to dis/connect if I turn down the output pressure, but I’m also afraid that I’ll just wear out the kind of cheap feeling regulator. Don’t need higher pressure anyway for car tires, but dust blowing doesn’t do much at low pressure. When blowing the dust it does drain the tank from 120 to 90 in just about 10-15 secs or so at which point it kicks back on and refills the tank in a little less than 30 secs just as claimed (fill from empty is less than 120 secs as claimed as well). Next few runs: Learned how to take cover off of pressure switch box (where on/off lever is) and adjust set point for turning off/on. I found that the compressor didn’t cut off at 120 a couple more times (but did cut off properly most of the time) and thought maybe the set point was just too close to the safety valve operating point (I would expect the spring operated safety valve to operate at slightly different pressures from run to run (and at different temperatures?)). So, I reduced the set point about 10-12 psi (the tick marks on the gauge are 6psi/tick) so that it runs from ~80-110 psi now and never has a problem with not cutting off before the safety valve opens up. I REALLY LIKE this ability to “derate” the operating pressure of the whole system anyway as an added safety margin (especially for a cheaper unit). In my reading on other units, I found at least one other brand’s ‘cheap’ compressor that explicitly said it did NOT have this ability. In my case I think it’s enabled me to easily get around the problem with the set point and the safety valve point being too close together…. So far so good, I’m happy with the performance after a few days and my first impression so far is that this might turn out to be a good value. But I’m still mad about being fooled about “made in China”, just tell the whole truth in the marketing.
                7 found this review helpful
                Purchased this compressor & it arrived yesterday. Decision to buy was based mostly on the recomme...
                Purchased this compressor & it arrived yesterday. Decision to buy was based mostly on the recommendation in Fine Woodworking magazine. It will be used in a wood shop for mostly just air and running a brad nailer, some air brushing. It worked just fine out of the box, very, very quiet and filled the tank fast. Unfortunately, as other reviews have reported, it leaks like an onion sack. Leaks down even with NOTHING hooked up to it. No air hose or anything so I know it is the compressor. It leaks down to the low limit in about 15 minutes and kicks on to refill the tank. I will continue to use it and try and find the leak and report back. Did I mention it is very quiet? It's a shame it has to run so much to stay full. Live and learn.
                  6 found this review helpful
                  • Verified Purchase
                  So far the compressor is super quiet and efficient. Only had it a month but so far I'm happy with it. It fits my needs for quick low air projects.
                  • Verified Purchase
                  I love it. So much quieter than my other pancake...
                  I love it. So much quieter than my other pancake style Dewalt and Porter Cable.
                  • Verified Purchase
                  This is a great quiet machine. Perfect for the garage....
                  This is a great quiet machine. Perfect for the garage. Easy on the ears and you can still have a conversation with this thing running. Wish they had the aluminum version (less rust, lighter)
                  • Verified Purchase
                  It's quiet and efficient.
                  It's quiet and efficient.
                  • Verified Purchase
                  • Recommended
                  A very nice and well built compressor; small problem with...
                  A very nice and well built compressor; small problem with shipping though. The air filter was not secure in the box and was crushed. CAT was nice enough to send out a replacement right away. Almost as quiet as their ad says.
                  • Verified Purchase
                  Showing 1-10 of 82 reviews

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                  Air Delivery SCFM @ 90PSI