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  1. #1
    Join Date
    Sep 2003
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    ISRAEL
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    R-404 and R507 are out of the game



    It will be a matter of maybe a few years but prices are already soaring.

    Any suggestion of replacement for low temp or should I invest in a big stock?



  2. #2
    Join Date
    Aug 2006
    Location
    england
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    Re: R-404 and R507 are out of the game

    I've been using R407F but not tried it in a freezer. Have also ordered a load of R404A for stock as the price just went up 30% here. Crazy times.
    Mostly found in Oxfordshire, UK :)

  3. #3
    Join Date
    Nov 2014
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    Australia
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    Re: R-404 and R507 are out of the game

    I have been seeing a bit of R290 Propane getting around, its a really good refrigerant.
    I haven't done it myself yet but another company in town has been using R290 with R404A comp and TXV.

  4. #4
    Join Date
    Feb 2009
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    telford
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    Re: R-404 and R507 are out of the game

    Retrofitting 404a to r290? Propane what issues does that present glad I am on the guidelines now it's sounds like danger to me!

  5. #5
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    Aug 2006
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    Re: R-404 and R507 are out of the game

    Think R448A is being pushed for low temp systems, not tried it.
    Mostly found in Oxfordshire, UK :)

  6. #6
    Join Date
    Nov 2009
    Location
    france
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    Re: R-404 and R507 are out of the game

    R448A should be OK for replacements but only in DX systems, glide is around 6/7K. Nothing yet for flooded or pumped systems, and probably nothing definitively.

  7. #7
    Join Date
    Nov 2014
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    Australia
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    Re: R-404 and R507 are out of the game

    Quote Originally Posted by cadwaladr View Post
    Retrofitting 404a to r290? Propane what issues does that present glad I am on the guidelines now it's sounds like danger to me!
    R290 poses no risk while it is inside the system due to the UEL being only 10%, although open contacts in close proximity being a real danger if leaks are present.

  8. #8
    Join Date
    Feb 2009
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    telford
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    Re: R-404 and R507 are out of the game

    Not for transport refrigeration that's for certain,get the drawing board out I would not put it into a reefer unless if was based close to a fire station!

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