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NAVAC NRDC4M DC Inverter 4-Cylinder Recovery Machine


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NAVAC’s NRDC4M is tagged as the fastest and most powerful recovery machine in the market. With a 4-cylinder structure, dual oil-free compressors, and a lightweight brushless DC motor, the NRDC4M is up to 40% faster than NAVAC’s 2-cylinder unit. An oversized micro-channel coil and 3 high-speed cooling fans make refrigerant recovery a breeze. The NRDC4M recovery unit is suitable for larger commercial systems and can be used for all common refrigerants. Plus, you can buy with confidence, as NAVAC guarantees all of their products to be free of defective material and craftmanship which could affect proper functioning of the unit. Why not see for yourself if NAVAC’s promise of “Leading Technology, Superior Quality, and the Best Experience” truly empowers you to work smarter!


  • 4-Cylinder for Powerful Recovery
  • Up to 40% faster than 2-cylinder unit
  • Oversized inlet port (3/8") for faster recovery
  • Super-Efficient Condenser
  • Over-sized micro-channel coil
  • 3 high speed cooling fans
  • Efficient Brushless DC Motor
  • Dual Oil-Free Compressors
  • Suitable for all commonly used refrigerants
  • Large Digital Display
  • Easy-to-read large LCD display
  • Backlit for clarity
  • Acceleration Knob Design
  • To achieve faster vapor recovery
  • Purge functionality
  • Prevents mixing of different refrigerants


    Refrigerant Type
    Category lll :R-12, R-134a, R-401C, R-500
    Category lV :R-22, R-401A, R-401B, R-402B, R-407C, R-408A, R-409A, R-411A, R-411B, R-412A, R-502, R-509
    Category V :R-402A, R-404A, R-407A, R-407B, R-410A, R-507
    Recovery Rate
    Direct Vapor :R-22=0.93; R-134a=0.34; R-410a=1.02
    Direct Liquid :R-22=7.16; R-134a=4.95; R-410a=9.20
    Push/pull Liquid :R-22=13.29; R-134a=10.20; R-410a=18.41
    Power Supply :115V/60Hz
    FLA :12 A
    Motor :1.5 HP
    Max Current Draw :12 A
    Compressor :Oil-less, Air-cooled, Piston style
    Automatic Safety Shut-Off :558 psi/38.5 bar
    Inlet/Outlet Port :Inlet 3/8″, Outlet 1/4″
    Dimension :17″×10.7″×12.2″
    Weight :41.9 lbs
    Warranty :2 years


    Q & A

    What is covered under the warranty?

    "NAVAC Inc. GUARANTEES all NAVAC products to be free of defective material and craftmanship which could affect the life of the product when used for purpose for which it is designed. This warranty does not cover items which have been abused, misused, or improperly maintained, (including failure to use the correct type of vacuum pump oil). The sole obligation under this warranty shall be to repair, replace (OTC Exchange), or provide credit for any defective product or parts thereof, at the discretion of NAVAC Inc. within the period mentioned below. In some instances, NAVAC Inc. may require the defective product be returned for warranty analysis.

    Use these devices to pump and recover only HVAC/R refrigerants from sealed HVAC/R systems. Warranty is voided if used for any other purpose, including manufacturing purposes. NAVAC Pumps and Recovery Units are not warranted for use on the following systems:

    • Lithium
    • Ammonia (Except NP12DA1)
    • Bromide
    • Butane
    • CO2 type extraction
    • Leak Stop products

    Warranty is VOID if…

    • Oil has NOT been pumped or changed
    • Corrosive substances have been introduced in the pump
    • Pump has been altered or any components missing or removed" - NAVAC Inc.

    For more information, you can view NAVAC's Warranty Information Sheet here.

    How can I process a warranty claim with NAVAC?

    "Prior to returning any product to NAVAC you are required to obtain a Returns Merchandise Authorization (RMA) number. To do so you may download an RMA Form at After completing the form please email it to, or Fax it to 877-696-2822. Please fill out the form completely. Any missing information could delay processing." - NAVAC Inc.

    For more information, you can view NAVAC's Warranty Information Sheet here.