• Programmable ON/OFF Times
• Pressure ON Level (i.e. re-start pressure)
• Pressure OFF Level (i.e. shutdown pressure)
• Unloader Relay Delay: Delay time for activation of the unloader valves during compressor start-up (load reduction).
• AutoDrain Time: Select the time between each drain activation.
• Drain Valve Time:  AutoDrain valve opening duration.
• Overcurrent Limit: (i.e. functions as an electrical trip/breaker).
• Pressure Units: Select [bar] or [PSI]
• Total Active (Motor-Pump) Running Hours

4.0  HP (Rated/Running)

20 Gallon Steel Tank

12.80 CFM @ 40 PSI      

10.60 CFM @ 90 PSI

220 Volts / 60 Hertz / Single Phase

The CALIFORNIA AIR TOOLS 20040SMAD SMART Ultra Quiet & Oil-Free Air Compressor, with Automatic Drain Valve, is designed to be one of the quietest  4.0 Hp air compressors in the industry having only 75 decibels of sound.   

The Powerful Twin 2.0 HP (SP-9421-22060) motors operate at only 1680 RPM creating less noise and less wear.

The SP Series of Ultra Quiet Air Compressor Motors have been designed to increase duty cycle and allow for longer continuous run times.*

The Oil-Free Dual Piston Pump System is engineered for high performance and durability.

The CAT-20040SMAD SMART Air Compressor has a Oil-Free Dual Piston pump designed to have a life cycle before wear of 3000 Plus hours. 

The Oil-Free pump allows for use in a variety of temperatures  (cold starts) and uneven terrains (no oil in the pump).

The large 20 Gallon Steel Air Tank is just the right size for shop or garage.

EZ-1-2321 Auto Drain Valve Factory Installed

The California Air Tools EZ-1 Automatic Drain Valve has been designed to eliminate manually draining your air compressor air tank.

The manually set timer allows you to set the time for both the frequency and duration of the draining process. (Factory Pre-Set)

Designed for the person looking for Power, Air Flow and Less Service with at Least 30% Less Noise!

Features: 

* Ultra Quiet  -  Only 75  decibels

* Oil-Free Pump – Cleaner air for better tool operation.

  Less maintenance and Costs.

* Regulated output pressure gauge

* Pressure Regulator (0-120 PSI)

* One - Female Industrial "Push to Connect" quick connector (1/4" NPT)

* Easy Start Valve - For Less Starting Amperage

* Condor Pressure Switch

* MDR2i OLED Smart pressure switch for remote monitoring and control

* Working Pressure 90-120 PSI (+/-5 PSI). Adjustable up to 105 PSI Kick-On; 130 PSI Kick-Off maximum.

* Thermal Overload Protector

* 220 Volt / 60 Hertz / Single Phase (No 208 Volts - if necessary, obtain 208 to 220 voltage booster)

* Low Amp Draw - 14 Amps 

* Time to fill tank from empty to full - 150 Seconds 

* Recovery time from 95 PSI to 125 PSI - 40 Seconds

* Duty Cycle - 70/30* 

* Less heat which dissipates more efficiently

* 20 Gal. Steel AirTank  -  pounds and easy to move around.

* EZ-1-2301 Auto Drain Valve Factoy Installed

  The California Air Tools EZ-1 Automatic Drain Valve has been designed to

    eliminate manually draining your air compressor air tank.

* L (39") x W (15") x H (28")

* 148 lbs

* 1 Year Limited Warranty

* Comes complete (4) Air Filters

* Plug Type: Nema 6-15P (fits Nema 6-15R or 6-20R receptacle)

* Commercial Use: Refer to State & City Codes

* Non-ASME Air Tank

* Manufactured in Mexico-USA. Assembled in USA using global components. 

CAT-20040CAD Base-model Product Overview (without Smart Switch)

PRESS & HOLD the SMART Controller OK button for 4 seconds to turn ON / OFF air compressor

Automatic Drain Valve (with manual drain valve):

Optional PTFE Black Hose Tubing, 8 mm (10 feet) to connect to Automatic Drain Valve, Air Dryer Valve or Condensate port - Order Here.

Easy Start Valve Feature:

*70/30 Duty Cycle Rating - Learn More  (i.e. may run continuously at 5.3 cfm @90 PSI for up to 6 hours, or intermittently at 10.6 cfm @90 PSI during standard work day. Do not allow motors to run continuously for more than 60 minutes.)