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RS44 or R424a in place of R22
Stenty
Member Posts: 74
Hello all,
I have an R22 Mitsubishi that needs some servicing and I want put a suitable replacement for R22 in it.
I expect this unit to remain active for many years and want to use a refrigerant that won't be phased out.
Does anyone have any experience with any of the drop in replacements like RS44 - R424a?
A supply house suggested R407c but that works on a different and incompatible oil.
I have an R22 Mitsubishi that needs some servicing and I want put a suitable replacement for R22 in it.
I expect this unit to remain active for many years and want to use a refrigerant that won't be phased out.
Does anyone have any experience with any of the drop in replacements like RS44 - R424a?
A supply house suggested R407c but that works on a different and incompatible oil.
0
Comments
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If it would pressure test good at 300 PSI for an hour, I would certainly replace the Schrader valves and caps, put R-22 back in it . It can't hold that much weight wise and there will be R-22 around for quite a while is some shape or form. What does it have for oil now?
There is a good chance that many HVAC people are stockpiling even hoarding R-22......(heaven forbid....damn capitalists anyway! ) so will probably be available, you just have to pay more.0 -
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NU 22. Is the closest drop in ref. virtually matching t&p chart with out changing oil. Purple can at the time r-22 was going through roof price wise, it was the best replacement available. Take a look at your tp chart. Will not get anything closer.0
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