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  1. #1
    Join Date
    Dec 2010
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    Toronto, Canada
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    60
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    changing a comp from R22 to R290

    I have an R410 scroll that I want to change to R290. What is the best way to calculate the new performance compared to the R410?
    Last edited by MikeHolm; 15-12-2012 at 01:19 AM. Reason: lost my brain, it is a 410, not

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