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
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- May 2011
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R-22 substitues for our older Systems
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06-21-2017 07:50 PM #2Senior Member
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- May 2011
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Re: R-22 substitues for our older Systems
OK Problem solved. After MUCH research and speaking with marine AC experts, R422D will work in our original R22 systems with no modifications needed. Just follow the guidelines that call for a complete evacuation of the R22 and (if needed) a new drier then fill to approx 85-90%% of the R22 capacity and we're good to go.
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Re: R-22 substitues for our older Systems
Thanks for the info.
SEVEN
1979 53' MY Hull #563
Antioch, California
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Re: R-22 substitues for our older Systems
A friend told me that he was paid over $400/lb for R22 that was reclaimed from systems in one of his commercial buildings. I had no idea it was going for that kind of money.
At that rate maybe you could sell the R22 in the current system and get enough to pay for a whole new system.Sky Cheney
1985 53EDMY, Hull #CN759, "Rebecca"
ELYC on White Lake--Montague, MI
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06-21-2017 10:13 PM #5
Re: R-22 substitues for our older Systems
$1400 for a 30 lb can.
ScaryScott
41C117 "Hattatude"
Port Canaveral Florida.
Marine Electronics and Electrical Products Distributor.
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06-21-2017 10:17 PM #6Senior Member
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- Jun 2007
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- 4,974
Re: R-22 substitues for our older Systems
Where you both live? It's going for 500-700 for 30lb on ebay. www.ebay.com/itm/30-lb-Sealed-R22-/322563033247
Just use propane. Yes I'm serious. Some say it even works better. I may try it on my old ice machine that needs a new TXV.FTFD... i drive a slow 1968 41c381
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06-21-2017 10:21 PM #7
Re: R-22 substitues for our older Systems
The new blends have propanols and methane gasses that do not burn. Is there a way to make propane safe for that? Probably not.
Scott
41C117 "Hattatude"
Port Canaveral Florida.
Marine Electronics and Electrical Products Distributor.
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06-21-2017 10:42 PM #8Senior Member
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- Jun 2007
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Re: R-22 substitues for our older Systems
Instead of buying rum in the Bahamas.... my last two 30lb cans were $115 a pop.
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Re: R-22 substitues for our older Systems
Be carful using propane. Apart from obvious risk it is against federal law to use in a residential system. Of course being a boat it becomes a grey area as regards residential. Ray