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    AI Overview

    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    R421A is a non-ozone depleting HFC blend (58% R125, 42% R134a) used as a direct "drop-in" replacement for R-22 in commercial, industrial, and residential refrigeration/AC systems
    . It is compatible with mineral, AB, and POE oils, requiring no system modifications or oil changes. Key manufacturers/distributors include Choice Refrigerants. 
    Key Aspects of R421A Refrigerant: 
    • Applications: Medium/high-temperature commercial refrigeration, residential A/C, and industrial applications.
    • Performance: Features a nearly identical pressure-temperature (PT) relationship to R-22, ensuring similar cooling capacity and efficiency.
    • Efficiency: Designed with low temperature glide compared to other R-22 alternatives, promoting consistent evaporator temperatures.
    • Oil Compatibility: Works with existing mineral oil, alkylbenzene (AB), or polyol ester (POE) oils.
    • Safety/Handling: Non-toxic and non-flammable (ASHRAE A1 classification). Should be charged as a liquid.
    • Availability: Typically available in 12 lb and 25 lb cylinders through suppliers like Choice Refrigerants. 
    Important Notes: 
    • EPA Certification: Requires EPA certification for purchase and handling.
    • Compatibility: While designed as a drop-in replacement, it is best practice to have a certified technician assess the system.
    • Manufacturer: The "Choice" brand of R-421A is a primary source for this, covered under U.S. patents. 
    • R421A Cylinder - Choice Refrigerants
      R421A Cylinder. 421a cylinder v1.png. R421A Cylinder. from $195.00. Size ( lbs.): Select Size ( lbs.) 12, 25. 12 25. Quantity: Add...
      Choice Refrigerants
    • R22 Replacement Choice 421A
      Available in 12lb and 25lb cylinders, Choice R-421A is designed to run in air-conditioning, and mid-to high-temp applications. * D...
      Choice Refrigerants
    • Refrigerant 421A Specialty Gas size 30 lb Disposable - Arc3 Gases
      Refrigerant 421A (R-421A) is a non-ozone depleting, HFC-based blend designed as a direct, eco-friendly, "drop-in" replacement for ...
      Arc3 Gases
    Show all
    • R22 Replacement Choice 421A
      Available in 12lb and 25lb cylinders, Choice R-421A is designed to run in air-conditioning, and mid-to high-temp applications. * D...
      Choice Refrigerants
    • R421A Cylinder - Choice Refrigerants
      R421A Cylinder. 421a cylinder v1.png. R421A Cylinder. from $195.00. Size ( lbs.): Select Size ( lbs.) 12, 25. 12 25. Quantity: Add...
      Choice Refrigerants
    • Refrigerant 421A Specialty Gas size 30 lb Disposable - Arc3 Gases
      Refrigerant 421A (R-421A) is a non-ozone depleting, HFC-based blend designed as a direct, eco-friendly, "drop-in" replacement for ...
      Arc3 Gases
    • Refrigerant gases HFC R-421A
      Refrigerant gases HFC R-421A - Summit Refrigerants. R-421A Refrigerant. Multiple Application HFC Refrigerant Blend. HFC zeotropic ...
      Summit Refrigerants
    • Choice™ R421A Refrigerant
      Choice™ R421A is a non-ozone depleting refrigerant that can be used in a variety of applications. It can be used in: * Air conditi...
      A-Gas
    • Choice™ R421A R421A | Shearer Supply
      R-421A is a clear, non-ozone depleting refrigerant that can be used in a variety of applications. It's a replacement for R-22 and ...
      Shearer Supply
    • R421A Refrigerant 25lb Cylinder Tank - Jackson Systems
      Description. R421A is a hydrofluorocarbon (HFC) refrigerant blend used as a direct replacement for R22 in air conditioning and ref...
      Jackson Systems
    • R-421A Refrigerant 25 LB - CoolmateGas
      Systems that originally used R22 but have been converted to R421A can theoretically revert to using R22, provided that the supply ...
      CoolmateGas
    • R-421A Refrigerant R421A 25lb Replacement for R22 - Voomi Supply
      Product Description The R-421A is a refrigerant designed as a non-ozone depleting replacement for R22. This refrigerant is compati...
      Voomi Supply
    • Part 7, Pros and Cons of R-421A & Conclusion
      Sep 28, 2017 — it's going to stay at the same capacity as it was before. but because it is a blend. and it is not a true asotrope. it can't be co...
      YouTube·Chadwell Supply
      3m
    • PSIG / Inches of HG - AC Pro
      R421A is a HFC blend replacement with zero ODP and is compatible with both synthetic and mineral oils.
      AC Pro Store
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    My Ad Center

    Choice™ R421A Refrigerant


    A-Gas
    https://www.agas.com › refrigerant-products › r421a
    A-Gas
    https://www.agas.com › refrigerant-products › r421a
    Choice™ R421A refrigerant is a unique non-ozone depleting replacement for R22. Its performance temperature ranges are also comparable with those of R22.
    Missing: Factory ‎| Show results with: Factory

    Choice™ - Refrigerant, R421A, 25 lbs


    Shearer Supply
    https://www.shearersupply.com › ... › Refrigerant
    Shearer Supply
    https://www.shearersupply.com › ... › Refrigerant
    Usable with Mineral, AB or POE oils, this refrigerant can be be used in air conditioning, medium and high temperature residential, commercial and industrial ...Read more
    Missing: Factory ‎| Show results with: Factory

    R-421A Refrigerant


    Ferguson
    https://www.ferguson.com › product › r-421a-refrigerant...
    Ferguson
    https://www.ferguson.com › product › r-421a-refrigerant...
    Specifications ; Brand Model Compatibility: Systems with 10 to 25 lbs. gas ; End Connection 1: Threaded ; End Connections: Threaded ; Fitting Size 1: 1/4 in.Read more
    $499.91 · In stock · 1-day delivery · Free 30-day returns
    Missing: Factory ‎| Show results with: Factory

    Pure R421A Refrigerant Gas


    taninrefrigerant.com
    https://www.taninrefrigerant.com › Refrigerant
    taninrefrigerant.com
    https://www.taninrefrigerant.com › Refrigerant
    Direct R22 replacement with full compatibility. Wide Application. Suitable for commercial ACs and refrigeration systems.Read more
    Missing: Factory ‎| Show results with: Factory

    R421A Refrigerant 25 LB | Arctic Prince


    Barvati
    https://barvati.com › r421a-refrigerant-25-lb-arctic-prince
    Barvati
    https://barvati.com › r421a-refrigerant-25-lb-arctic-prince
    Superior cooling capacity and energy efficiency. Versatile Use. Ideal for residential and commercial cooling applications. Package Options. QTR PALLET.Read more
    $140.00 to $3,400.00 · In stock · 4.7(20) · Free delivery · 30-day returns
    Missing: gas ‎| Show results with: gas

    Refrigerant gases HFC R-421A


    Summit Refrigerants
    https://summitrefrigerants.com › refrigerant-gases-hfc-r-...
    Summit Refrigerants
    https://summitrefrigerants.com › refrigerant-gases-hfc-r-...
    HFC zeotropic blend of R-125 (58.0%) R-134a (42.0%), that is designed for use to replace R-22 in direct expansion refrigeration and AC systems.Read more
    Missing: gas ‎Factory

    R-421A Refrigerant 25 lb.


    eRefrigerants.com
    https://erefrigerants.com › products › r-421a-refrigerant-...
    eRefrigerants.com
    https://erefrigerants.com › products › r-421a-refrigerant-...
    Refrigerant R421A is a unique non-ozone depleting replacement for R22. Usable with Mineral, AB, or POE oils, this refrigerant can be used in air conditioning, ...Read more
    $399.00 to $6,980.00 · In stock · Free delivery · 30-day returns
    Missing: gas ‎| Show results with: gas

    R421A Cylinder


    Choice Refrigerants
    https://www.choicerefrigerants.com › shop-1
    Choice Refrigerants
    https://www.choicerefrigerants.com › shop-1
    R421A Cylinder. 421a cylinder v1.png. R421A Cylinder. from $195.00. Size ( lbs.): Select Size ( lbs.) 12, 25. 12 25. Quantity: Add To Cart.Read more
    $195.00 · In stock
    Missing: Commercial ‎Factory

    R-421A


    Hudson Technologies
    https://www.hudsontech.com › our-products
    Hudson Technologies
    https://www.hudsontech.com › our-products
    R-421A. Best Use: A non-ODP blend used in medium and high temperature residential, commercial, and industrial refrigeration and air conditioning applications.Read more
    Popular products
    • R-421A Refrigerant Gas | Alper Refrigerant Gas.
      R-421A Refrigerant Gas | Alper Refrigerant Gas
      $85.00
      Alper Chemical Group
      Free delivery
      R-421A Refrigerant Gas | Alper Refrigerant Gas
      $85.00
      Alper Chemical Group
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    • 28% OFF
      R421A 25lb Refrigerant - R22 alternative non-ozone. 28% OFF.
      R421A 25lb Refrigerant - R22 alternative non-ozone
      $250.00$349
      Refrigerants Center
      Free delivery by Mon
      28% OFF
      R421A 25lb Refrigerant - R22 alternative non-ozone
      $250.00$349
      Refrigerants Center
      Free delivery by Mon
    • R421A Choice Refrigerant.
      R421A Choice Refrigerant
      $270.00
      Refrigerant Guys
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      R421A Choice Refrigerant
      $270.00
      Refrigerant Guys
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    • R421A Cylinder — Choice Refrigerants.
      R421A Cylinder — Choice Refrigerants
      $195.00
      Choice Refrigerants
      R421A Cylinder — Choice Refrigerants
      $195.00
      Choice Refrigerants
    • R-421A Refrigerant.
      R-421A Refrigerant
      $499.91
      Ferguson
      R-421A Refrigerant
      $499.91
      Ferguson
    • R-421A Refrigerant 25 lb. 1 Cylinder.
      R-421A Refrigerant 25 lb. 1 Cylinder
      $399.00
      eRefrigerants.com
      Free delivery by Mon
      5.0(8)
      R-421A Refrigerant 25 lb. 1 Cylinder
      $399.00
      eRefrigerants.com
      Free delivery by Mon
      5.0(8)
    • R-421A Refrigerant 25 LB| CoolmateGas Refrigerant.
      R-421A Refrigerant 25 LB| CoolmateGas Refrigerant
      $426.95
      CoolmateGas
      Free delivery by Mon
      R-421A Refrigerant 25 LB| CoolmateGas Refrigerant
      $426.95
      CoolmateGas
      Free delivery by Mon
    • R-421A Refrigerant R421A 25lb Replacement for R22.
      R-421A Refrigerant R421A 25lb Replacement for R22
      $357.62
      Voomi Supply
      4.9(151)
      R-421A Refrigerant R421A 25lb Replacement for R22
      $357.62
      Voomi Supply
      4.9(151)

    R421A 25 lbs cylinders


    jj ac supply
    https://www.jjacsupply.com › product-page › r421a-25-l...
    jj ac supply
    https://www.jjacsupply.com › product-page › r421a-25-l...
    Usable with Mineral, AB, or POE oils, this refrigerant can be used in air conditioning, medium and high temperature residential, commercial, and industrial ...Read more
    Missing: gas ‎| Show results with: gas
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