Page 1 of 4 1234 LastLast
Results 1 to 13 of 47
  1. #1

    Mixing R22 and R410a

    I had a tech come and service my AC the other day and he put R410 refrigerant in in my R22 system. He said you can mix up to 20% as long as you keep the pressures in line. Is this true ? He said the real problem is the oils and when you add refrigerant you are not adding oil. Is that right ? Sounds fishy to me. Thanks in advance for your thoughts.

  2. #2
    Join Date
    Mar 2011
    Location
    Edna Bay, Alaska Highest concentration of black bears in the US
    Posts
    623
    He needs to recover that charge. Then evac and recharge the unit properly. Don't run the system until it's repaired. That company will have to pay to have that refrigerant destroyed.

  3. #3
    Join Date
    Apr 2005
    Location
    where the beer flows like wine
    Posts
    2,871
    Call your tech back and ask him to put 3LB of 134a and 15.5oz of 404a and your unit will work better than ever before make sure he changes the oild to mobil 5w30

  4. #4
    Join Date
    Jun 2004
    Location
    Location:Raleigh NC
    Posts
    9,624
    NO EPA say NO

    Anyone who Know anthing about HVAC knows thats WRONG.

    A Tech like that should not be allowed to work in HVAC
    If you help others then you are a Success

  5. #5
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    25,659
    Quote Originally Posted by hvacpope View Post
    Call your tech back and ask him to put 3LB of 134a and 15.5oz of 404a and your unit will work better than ever before make sure he changes the oild to mobil 5w30

  6. #6
    Join Date
    Jul 2007
    Location
    Mount Airy, MD
    Posts
    7,281
    Quote Originally Posted by jpsmith1cm View Post
    Shouldn't you be out celebrating your birthday???

    BTW, Happy Birthday !!!!

  7. #7
    Join Date
    Aug 2010
    Location
    Memphis
    Posts
    343
    Dude was a dumbass.

  8. #8
    Join Date
    Jul 2008
    Location
    Denver, CO
    Posts
    4,229
    It's sad companies send guys like that out to run service.

  9. #9
    With those two common gases, he would be in the wrong.

    But EPA does allow you to mix,if and only if you can't get your hands on the original refrigerant.
    FEN

  10. #10
    Join Date
    Mar 2001
    Posts
    1,489
    You gotta be kidding!!!!!!!!!!
    One way to outthink people is to make them think you think. They'll think you're not really thinking what you're trying to get them to think you think...........

  11. #11
    Join Date
    Feb 2006
    Location
    USA
    Posts
    4,381
    that guy deserves a punch in the throat ...

  12. #12
    Join Date
    Jan 2009
    Location
    Hobart, In.
    Posts
    324

    Angry You gotta be friggin kidding!







    So what if the epa allows you to mix? Are you serious? The 2 ref. couldn't be much more different. 2000 Posts and you never looked at a flash or saturation temp
    Twilly is my hero!

  13. #13
    Join Date
    Feb 2011
    Location
    Atlantic City, New Jersey
    Posts
    47
    Is this guy crazy!!!!!!!!!!!

    The oils are different, the pressures are different, and the copper used to make the coils is different. Never let this close to anyone you care about ever again.

    We cannot even use the same gauges with these two refrigerants because of the differences. This is so crazy it is almost absurd!!

Page 1 of 4 1234 LastLast

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event