Jan-13-2019 05:57 AM
Feb-05-2019 05:39 AM
Matt_Colie wrote:
Unfortunately, many of you have missed a big trick. If you have old hardware that was R-12, look at finding some HC-12 to replace it. This is a hydrocarbon refrigerant that is a mix of propane and isobutane and much purer than general LP. It is compatible with everything so no oil or seal changes are required, and it is a better refrigerant - thermodynamicly than is R-134A.
OK, so it is a flammable gas, all 3# (generous) of it, just like the 80# of propane you have in that tank or the 700# of fuel in those tanks. But better than 134 (which is also flammable) as the combustion by- products are not as highly toxic.
Lots of different agencies say it is not approved or (rarely) not legal, but that means that those people have to catch you at doing something harmless.
Of course the EPA has come out against it. This is probably because it can't be patented because propane was used as a refrigerant before the halogenated hydrocarbons came on the seen.
Matt
Feb-05-2019 03:54 AM
Feb-04-2019 12:49 PM
Feb-04-2019 05:58 AM
Feb-03-2019 04:03 PM
Feb-01-2019 07:22 AM
Feb-01-2019 06:58 AM
Jan-31-2019 06:26 PM
Jan-29-2019 04:28 PM
Jan-29-2019 03:40 PM
crawford wrote:
R 12 can not be gotten with out a license It has not be product in 15 years you must be buying R-134a refrigerant. No car or truck since 92 had R12 I believe.
Jan-29-2019 02:16 PM
Jan-29-2019 07:51 AM
Jan-29-2019 06:56 AM
Jan-28-2019 02:10 PM