Has anyone successfully refilled their R22 AC Systems with either R-417a or R422d? Both are listed as direct R22 replacements with the only caveat being a slight reduction on cooling performance. Given the inaccessibility of R22, both of these substitutes appear to be readily available with R422d being offered on eBay at approx. $10/lb. Would sure help forestall the expensive upgrade of the entire boat.
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06-21-2017 03:29 PM #1Senior Member
- Join Date
- May 2011
- Posts
- 184
R-22 substitues for our older Systems