Dec 13, 2015 · You can purchase it but as far as I know it is illegal to use in the United States in a r12 system It is legal to use in a system that has been converted to R134a. So install the low pressure adapter, wave a can of R134a over the system, and fill with ES-12a. the refrigerant must be recovered, and needs to be unadulterated R12. also, all of the oil in the system needs to be purged, because it will gel in a R134a system. big fine if you get caught venting the gas yourself, and probable death of the compressor and valve damage if you put in R134a without properly blowing out the old oil. As you may know, R-12 refrigerant is becoming scarce and costly. It is just a matter of time before you will have to convert your systems to R-134a. R-134a retrofits are provided by STC or service bulletin depending on the model of aircraft and could be as simple as replacing the receiver/dryer, a few fittings and the refrigerant. Sep 18, 2013 · Old automotive R12 is all over ebay for anywhere from $20 to $40 for a 12 oz can. All you need is piercing adapter for the can - also available online or at NAPA. If you need any at all you won't need much, and the best replacement for R12 is R12. As you may know, R-12 refrigerant is becoming scarce and costly. It is just a matter of time before you will have to convert your systems to R-134a. R-134a retrofits are provided by STC or service bulletin depending on the model of aircraft and could be as simple as replacing the receiver/dryer, a few fittings and the refrigerant. A. Pressure/temperature plot of R134a vs. R12 is shown in figure 1. The crossover point is approximately at 64°F. Above this temperature, the saturation pressure of R134a is higher than that of R12; below, it is lower. B. A capacity curve is shown in figure 2 for relative capacity of R134a vs. R12 for evaporating temperatures from 0°F to 50°F. Conversion Kit Manifold R12 to 134A Converts R12 gauges to R134a gauges. Contains manual R134a to couplers and adapter for R134a refrigerant tank. Manual couplers 3/4 turn full open to full close -- for easy and fast operation. R134a Refrigerant. Johnsen's 12 oz. R-134 refrigerant for use in all factory installed and/or retrofitted R-134A A/C systems $ 5 99. Add to Cart + Add to My List. Does your vehicle AC have 134a refrigerant Here is how to tell . To tell if you have R134a, start by considering the year of your vehicle. If you have a vehicle manufactured after 1995, then you should have R134a. If your vehicle is older you may still have R134a; it just depends on if it has been converted. Product Title Car Dual Gauge R410A R134A R22 A/C Refrigerant Press ... Average rating: 0 out of 5 stars, based on 0 reviews Current Price $15.59 $ 15 . 59 List List Price $26.99 $ 26 . 99 Still, the R134A elcheapo conversion kits might not blow as cold at R12, but if it blows at least 55 degrees it will keep you cool until the temp outside hits the 90's. Been AC certified for many years, and have seen people pour money into older cars, only to watch them either sell the car or the car dies. Each ounce of Maxi-Frig R134a Replacement Refrigerant, is equivalent to 2.6 ounces of R134a and 3 ounces of R12. If you live in a HOT climate, we recommend this product because it does get colder than our standard refrigerant. Maxi-Frig R134a Replacement Refrigerant is lighter and more efficient than HFC and CFC products so you use less. Aug 25, 2017 · R134a requires a different size dryer to make sure it functions properly so you will need to install a new dryer to convert R12 to R134a. The last piece of your system that you’ll need to change is the pressure ports to convert R12 to R134a. R134a systems operate at higher discharge-side pressures than R12, which can cause compressor seals to leak. As part of doing that, you often wind up replacing major portions of the system—not because that’s strictly required in order to convert it to R134a, but because that’s what you need to do in order to get it functional again. Depends on if it takes R134 A or R12 refridgent. R134A most likley looking around $150 depending on amount of freon the system holds. if its R12 open your piggy bank cause its going to cost you some coin as R12 is no longer in production you have to convert your system to R134A or find a gararge that still has some R12 Does your vehicle AC have 134a refrigerant Here is how to tell . To tell if you have R134a, start by considering the year of your vehicle. If you have a vehicle manufactured after 1995, then you should have R134a. If your vehicle is older you may still have R134a; it just depends on if it has been converted. R12 to R134a Conversion The process of retrofitting R12 system with R134a is quite an easy process. First of all, complete R12 should be removed from the system and recovered in the container. Sep 11, 2018 · R134a systems don't leak as much as the old systems did back in the R12 days, but the SAE says the average model year 2017 car leaks 0.41 ounces of refrigerant per year. Jan 25, 2008 · I have some HVAC experience and you could use R134a since it is designed to be a direct replacement for R12. After patching the line I would suggest, although not require, filling the line with nitrogen and letting it sit over night to test if the patch will hold and it will help remove contaminants from inside the line. No retrofitting needed. RED TEK 12a is designed as a direct drop-in replacement for R-134a and R-12 substitutes. RED TEK 12a requires no significant redesigning of the refrigeration system because it is compatible with R134a, R12, metal components, compressor motor materials, mineral, and synthetic (Ester and PAG) lubricants, seals, gaskets, hoses, compressors, and O-rings. Sep 15, 2010 · If you drive an older vehicle (pre-1994), the air conditioning system contains R12 refrigerant (Freon). As long as the A/C system has no leaks and it cooling normally, there is no need to convert from R12 to the new "ozone safe" R134a refrigerant. IIRC, R134a has a lot higher pressure than R12. The conversion should be pretty straight-forward, but you can't just change the fittings and dump the new refrigerant in -- you gotta flush all the old mineral oil and Freon out first, and replace the mineral oil with whatever lubricant R134a likes. Jul 07, 2016 · The R12a refrigerant from Red Tek is about $12 a can, and even cheaper from other vendors, so I don't see any mega-$$ R134a conversion on my rig's future anytime soon. The R12a cans use the same taps as the R134a cans and the supplied hose has R134a compatible fittings on both ends, so R12a can be used to recharge R134a systems too. Mark, Just my $.02 worth. I know many have done the "conversion" just putting in the R134a, but I have read too many horror stories of the aftermath. The oil used with R12 is not compatible with R134a. It can't transport the oil through the system, so you will not be getting any oil circulated through the compressor. Jun 14, 2009 · I am not sure about the A/C system in the Baron, but typically a conversion to R134 will have some new components to the system such as the evaporator or condenser. And yes the oil will have to be changed. Oftentimes shops will just change out R12 for R134 without any system modifications and accept a degradation in cooling performance. Nov 03, 2010 · Very high pressure operation? R134A runs about 10% higher than R12 on the high side. For instance, at 120F condensing, R12 pressure is 157 psig. R134A is 171 psig. You system won't even notice the difference. It probably does require a better condenser, so I guess that is where this misinformation comes from. More corrosive? Nov 20, 2010 · Is this what i need to change my trucks ac (1991 chevy suburban) im kinda hesitant but if someone has used thi kit any feedback would be appreciated. Thanks r12 conversion Install 75% of a full load of R134a (if your system uses 4# of R12, start with 3# of R134a). Add R134a 1 oz. at a time until you reach max cooling at the outlets (stick a thermometer in a vent). When the temperature starts to go up, remove what you just added. The non-compatibility between R12 and 134 comes from the oil used to lubricate the system. The oil used in the system is basically vaporized and carried by the refrigerant through the system. These small oil particles lubricate the system, especially the moving parts of the compressor. I believe the Cadillac dealer will change to R134a. R12 is right around $210/lb. at an authorized service shop, but you can find black market R12 online for somewhat cheaper - it comes in from India or somewhere. This kit includes a remanufactured compressor which will operate with R134A Refrigerant, a drier, an evaporator orifice and the oil, seals, fittings and adapters. 1977-82 Corvette R12 to R134 conversion kit has what you need to convert your AC system to R134. US$4.15 R12 To R134A 1/2-1/4inch Metal Refrigeration Conversion Adapter 0 review COD US$9.99 US$12.99 23% Off 265Pcs R22/R134a Air Conditioning O-Ring Rubber Rings Waterproof Washer 33 reviews COD US$22.99 US$31.99 28% Off 1M Car Van Air Conditioning Universal Charging Hose Pressure Gauge AC R134A 1 review COD A wide variety of refrigerant gas r134a can r12 replacement options are available to you, such as alkyl & derivatives, alkene & derivatives. You can also choose from industrial grade refrigerant gas r134a can r12 replacement There are 5 suppliers who sells refrigerant gas r134a can r12 replacement on Alibaba.com, mainly located in Asia. A charge level between 75% and 85% is recommended when converting from R12 to R134a refrigerant. If no conversion information is provided, there is an easy formula to calculate the difference in charge level. This works when the R12 charge specification is listed in pounds. Take the R12 charge specification and multiply it by 0.9. Hy-Capacity was founded in 1978 as a remanufacturer of agricultural clutches, water pumps and torque amplifiers ().Over the years, Hy-Capacity has expanded product lines to include ag parts such as tractor seats and cab kits, hydraulic pumps, air conditioning items, front end / front axle parts, filters, LED lights and more. Apr 30, 2012 · Not buying the r12 to r134A conversion. The only issue that may cause a problem is r12 used mineral oil and the r134a uses pag in automotive. The pag oil will break down the gaskets this may take a few years. The main problem with the conversion will be 134a will be 80% of original charge. Most people will overcharge a system. The A/C system in many older vehicles needs to be converted from R12 refrigerant to R134a refrigerant. This video shows you how to convert your vehicle's A/C... No retrofitting needed. RED TEK 12a is designed as a direct drop-in replacement for R-134a and R-12 substitutes. RED TEK 12a requires no significant redesigning of the refrigeration system because it is compatible with R134a, R12, metal components, compressor motor materials, mineral, and synthetic (Ester and PAG) lubricants, seals, gaskets, hoses, compressors, and O-rings.