Is R438A a drop in replacement for R22?
R422D and R438A are said to be most suitable as replacements for R22 in existing DX water chiller systems, residential, commercial air conditioning and medium/low temperature refrigeration systems.
Is MO99 flammable?
This substance is not flammable in air at temperatures up to 100 deg. C (212 deg. F) at atmospheric pressure. However, mixtures of this substance with high concentrations of air at elevated pressure and/or temperature can become combustible in the presence of an ignition source.
What is MO 99 freon?
R438A (Freon™/Isceon MO99) is a HFC blend, used as a replacement for R22 in domestic, industrial and commercial air conditioning systems. It is also a retrofit replacement for R22 in low and medium temperature refrigeration systems and DX chiller systems.
Can MO99 be mixed with R22?
No. Freon™ MO99 should not be used to top off R-22 systems. Mixing refrigerants is not recommended. R-22 should be recovered using appropriate equipment and managed according to U.S. EPA guidelines specified in Section 608 of the U.S. Clean Air Act.
What is R438A?
R438A, also known as ISCEON ® MO99, is an HFC blend designed to be a “drop-in” replacement for R22 across a wide range of applications, including low, medium and high temperature refrigeration, and residential, commercial and industrial air conditioning.
Where can I buy R438A?
Ventilation
- R22 Alternatives.
- MO99.
How do you convert R-22 to MO99?
How to Convert R22 to MO99 Refrigerant Retrofit Guide
- Establish baseline performance with existing refrigerant. (
- Remove all the old (R22 or other) refrigerant from the system into a recovery cylinder.
- Replace the filter drier and critical elastomeric seals/gaskets.
- Evacuate system and check for leaks.
What is 421A refrigerant?
Summary. Choice™ R-421A is a unique non-ozone depleting replacement for R-22. Usable with Mineral, AB or POE oils, this refrigerant can be be used in air conditioning, medium and high temperature residential, commercial and industrial refrigeration applications.
Is MO99 the same as R22?
Of all the “no oil change” replacement refrigerants, Freon™ MO99™ offers the closest performance match to R-22. It facilitates easy retrofitting in which the technician simply recovers the R-22, replaces critical seals, charges the Freon™ MO99™ refrigerant, and monitors for leaks.
Is R-22 a freon?
If your home’s air conditioning unit is more than 10 years old, there’s a good chance it uses R22, commonly known as “Freon.” R22 is an A/C refrigerant — a substance used for cooling in air conditioners— that was once widely used in air conditioning units in homes and businesses alike.
What can I top off R-22 with?
MO99 is compatible with mineral oil and POE oil providing a quick, cost-effective R-22 replacement, and can be topped off during service without removing the entire refrigerant charge.