The average time to evacuate, inspect and refill a refrigerator freon system is about 20 minutes and the cost in parts would be about $20 but expect to pay a good amount of money for the service call. 72 $ 30 . Premier R-134A Refrigerant Recovery, Recycling, and Recharging Machine Read More Robinair 34788NI and 34788NI-H machines recover, recycle, evacuate, leak-test and recharge R-134a with improved 98. Correctly Recharge & Vacuum Air from System. There are other kinds of liquid refrigerants that are not Freon®, such as R-134a and R-414b, that your refrigerator may use. Before you make repairs yourself you should understand whether or not you will need a technician to refill your freon system. 22 Home appliances lose their power in time. This is a premium 134a refrigerant to perform better cooling capacity compared to normal R-134a refrigerant. 4 Aug 2015 R 134A from Walmart here https://www. Charge (R-134a Refrigerant). Most passenger cars or light trucks manufactured since 1995 were built for R-134a. Jan 02, 2020 · Nowadays, there are so many products of refrigerator 134a leak sealer in the market and you are wondering to choose a best one. So I decided to recharge it. I have R-134A gauges, freon, and a vacuum pump. The 90 degree ambient temp should be for an A/C unit. The new hot topic is a return to carbon dioxide (R744) as a  15 Aug 2004 WHAT or where in the *&^%$#@ can I get a way to put R134a into the refrigerator??? The local supplier just shrugged I consitered getting a 30lb can of R134a but again it fits the automotive gage set refrigerant can adaptor  7 May 2018 When used in refrigerator and A/C systems, R12 cooled incredibly well. Refrigerator 134a. If the  The chemicals used to cool appliances like air conditioners are known as refrigerant. The refrigeration cycle has  A refrigerator uses refrigerant-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle. Each can of 170 gr is equivalent to 484 grams of HFC-R134a or 513 gr of CFC-R12. In most cycles it undergoes phase transitions In 2010, about one-third of all household refrigerators and freezers manufactured globally used isobutane or an This will ban potent greenhouse gases such as the refrigerant HFC-134a (also known as R-134a in North America) —which has a GWP of  It's important that every business owner who uses a refrigerator or freezer be knowledgeable of refrigerant rules and R290 is also an excellent alternative to hydroflurocarbon (HFC) refrigerants R134a (used in refrigerators) and R404a ( used  refrigerator sector pays particular attention to the use of R1234yf as an alternative to R134a because of similar thermal properties were refrigerants mixtures, as an alternative refrigerant for R-134a and R12 for domestic refrigerators. O’Reilly Auto Parts carries R-134a refrigerant and oils formulated to work in your vehicle's A/C system. FrostyCool 134 can be used to replace HCF R-134a and CFC-R12 substitute refrigerants in mobile air conditioning and refrigeration units. (Reference 5) Freon and other refrigerants are toxic and can cause poisoning and even death. Your owner's manual should indicate the type of refrigerant required for your vehicle. This change is meant to address growing concerns over those chemicals'  To solve this problem we researched miscible oil with R134a and selected polyol ester oil (POE) as refrigeration oil. com/ip/Interdynamics-Auto-Air- Conditioner-R-134a-Refrigerant-12-oz-301CA/16888798 Get  Make sure this fits by entering your model number. You'll probably have to braze an access port (saddle tap) onto the low side, and vacuum out the system before OIL IN REFRIGERATION SYSTEMS Of the refrigerants that undergo phase separation during operation, only R-13 and R-22 have caused problems. Both refrigerators  Can I use this to recharge a fridge low on refrigerant? R-134a is a replacement for r-12 but r-134a uses PAG oil instead of mineral oil and you need to do a  Product description. to/2COM7R5 Hose adapter  26 Jan 2019 Fix Fridge that's not Cooling by Recharging with Refrigerant. Dec 01, 2016 · Freon is a chlorofluorocarbon (CFC). Freezer change. At that meeting, EPA presented a chart showing the relative efficiencies of Rl52a versus 134a. Recharging a refrigerator also is an excellent way to save time and money before replacing it with a new refrigerator. The following is a list of refrigerants with their Type/Prefix, ASHRAE designated numbers, IUPAC chemical name, molecular formula, CAS registry number / Blend Name, Atmospheric Lifetime in years, Semi-Empirical Ozone depletion potential, net Global warming potential over a 100-year time horizon, Occupational exposure limit/Permissible exposure R-134a is the refrigerant used in the majority of cars manufactured after 1993. It is worth noting that a leak detector does not pick up pure nitrogen, it needs some refrigerant in it to set off the detector. The 134a plus just has PAG oil added already, so that you (theoretically) don't have to add it after adding the R134a. You have searched for refrigerator freon recharge kit in many merchants, compared about products prices & reviews before deciding to buy them. Why is hydrocarbon refrigerant  No refrigerant gauges are necessary for this evaluation, and their use is required only for major repairs and for evacuating the system. Since 1995, R-134a refrigerant has become the typical type to use in both refrigerators and automobiles and is available at most auto parts stores. Every Refrigerator have different size of Compressor when we charge Gas then Some Refrigerators Ready on zero (0 PSI) Running Pressure and some refrigerators ready on 15 PSI Running Pressure. from 1994 required R-134a. The item will save you time and money. 5 – When converting an R12 system to 134a, charging amounts vary from system to system. R134a refrigerator pdf manual download. . The weight of freon should be listed on the "info sticker" inside the fridge door. Before 93 we used R-12 for our vehicles and now, as I write this article in 2018, there is … Don't get caught in a hot vehicle with a broken air conditioner! The last thing you need is to show up and work or social functions wet with sweat and body odor. With this purchase you are stating that you are EPA certified or that this product will be used by a licensed technician. Substance Any concentration shown as a range is to protect confidentiality or is due to batch variation. Normal Operating Pressures. The other two refrigerants that are considered good replacements Freon is the trade name for a class of chemicals called chlorofluorocarbons, or CFCs, used primarily in refrigeration and air conditioning. Over time, the seals and connections in your vehicle's air conditioning system can allow a small amount of R-134a refrigerant to leak past and escape into the atmosphere. walmart. since then, the industry standard has been R134a, which is an efficient replacement. View and Download Frigidaire R134a factory parts catalog online. Model # KSSP48QFS05. 36 Refrigerant abuse is commonly called “huffing. Some manufacturers have different connections on the cylinder or drum, but adapters are available. 13 Oct 2016 Table reading taken from the process of R134a refrigerant placed within the experimental setup. However, retrofitting must follow proper procedures in order to avoid problems  26 Sep 2017 Today, most refrigerators are cooled with tetrafluoroethane (HFC-134a), which acts in a similar manner to FREON(tm) refridgerent. Attend all trainings  11 Dec 2019 Tip: CFC stands for chlorofluorocarbon. You have searched for refrigerator 134a leak sealer in many merchants, compared about products prices & reviews before deciding to buy them. The refrigerator systems generally operated using vapour compression refrigeration cycles. Note the reading of compressor water, mechanical device outlet condenser outlet, evaporator temperature pressure & of varied  26 May 2016 Currently, R-134A is the only approved alternative refrigerant to retrofit R-12 air conditioning systems in vehicles, which is also its most common use. to/2Co1IpZ Exact Link for 134 Refrigerant - https:/  14 Oct 2015 Then further research, I suspected R-134a ( AKA Freon) thing. We guarantee that you’re A/C will blow cold after a recharge. Introduction. The refrigerator says "Refrigerant OZ. 2-Tetrafluoroethane (Refrigerant gas R134A); HFC 134a; HCF 134a; HCFC-134a CAS number :811-97-2 Substance/mixture CAS number/other identifiers: Occupational exposure limits, if available, are listed in Section 8. Testing the air conditioning system with a R-134a gauge will help you quickly Oct 26, 2017 · This is how you know if your refrigerator is leaking Freon slowly over time. The unit I charged only held 4. Learn how Freon™ R-134a refrigerant offers the versatility for home systems from under-counter refrigerators to family-sized refrigeration/freezer systems. Fortunately, most refrigerators can be revitalized with a few simple tools and a cylinder of freon. This R-134a replacement performs well in capacity and efficiency. by scott d Earned 129,840 community points in Appliances May 26, 2016 · All of your vehicles listed use the same refrigerant, R-134a. Ever since 1993 R-134a has been the staple refrigerant for automotive applications. 7 out of 5 stars 8 $15. The refrigerator 134a oil and bottleful saint-saens was of it flat-footed because Because RV dealers generally do not perform repair or rebuilding, inquire about how long the refrigerator will be out of service. 22 $ 52 . Over time the refrigerant, also known as freon, can become low. Readings that are higher or lower indicate an overcharged system. your payment will be Product Title EZ Chill Refill R-134a Refrigerant Plus Oil 12 oz. Although the low side pressure should be around 2 psig, at times it can fluctuate from 0 to -3 psig. This setup can be used to recharge any system with a Danfoss compressor. 5% efficiency – unmatched by any competitor. 5 Nov 2014 The design temperature and pull-down time set by International Standard Organization (ISO) for small refrigerator were achieved earlier using refrigerant HC-12a than using R-134a. I used a guage that came with the can and I attached it to whichever line per the instructions, I think it was the low pressure line. Only EPA certified technicians can buy R-12. That's where IDQ can help. A good starting point for charging 134a on your freshly converted system is typically about 70% of the original R12 charge, and the final charge amount will be no more than 80%. The sticker should be located right inside of the refrigerator section on the lefthand side at the top if it is a fridgidare. Buy R134a gas online and pick up your AC recharge can in an AutoZone near you today. If you own a refrigerator built after 1995 chances are it uses 134a coolant. 99 $ 15 . ” The chemical is often inhaled from an appliance, a container, a rag, or a bag with the neck held tightly closed. It will describe what symptoms to look for in a correctly charged Frigomatic system, & how to adjust the charge if an undercharged or overcharged condition exists. The refrigerant capacity varies depending on the size and model of the refrigerator. 99 Recharging your A/C system with refrigerant can be a simple fix. 30LB Freon Factory Sealed Ground shipment only!!! No shipping to any Islands!!! No shipment to Alaska!!! The Federal Clean Air Act restricts the sale and use of CFC and HCFC refrigerants to technicians certified by an EPA-approved testing organization. to/2Co1IpZ Link for Pressure meter hose - https://amzn. SUB-ZERO 600 Series. 0 oz. I do all my own automotive A/C work. 7082 products China R134a Refrigerator Gas manufacturers - Select 2020 high quality R134a Refrigerator Gas products in best price from certified Chinese Refrigerant Gas manufacturers, Rubber Gas Pipe suppliers, wholesalers and factory  R290 (HC) refrigerant is highly refined propane that is a safe, environmentally friendly alternative for the hydrofluorocarbon (HFC) refrigerants R134a in refrigerator applications and R404a in freezer applications. Only used for Home Refrigerator adding refrigerant Easy and convenient to use. R134a Refrigerant mostly use for Refrigerators. IDQ is the easiest to use canister refrigerant product on the market. Due to a higher value of latent heat of HCs,  13 Mar 2013 R134a has been found to have a GWP of 1300 and in Europe, within a few years, automobile air conditioning systems will be barred from using R134a as a refrigerant. Sep 25, 2017 · -Freon recharge hose \r-Freon gauge \r-air conditioner convention adapter valve from r12 to r134a \r-Freon according to your refrigerators manual and quantity \r-vacum \r-your refrigerator \r \r My Gear\r canon t5 1200d \r Canon EF 50mm f/1. Also for: Frt18fr7eb2, Frt18fr7eq0, Frt18fr7eq2, Frt18fr7ew0, Frt18fr7ew2. Not cooling - YouTube. The Compressor Has An Efficiency Of 80%. 1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Freon 134a, Forane 134a, Genetron 134a, Florasol 134a, Suva 134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a significantly lower global warming potential (1,430, compared to R-12 Dec 03, 2012 · Ok , my friend 1997 older refrigerator (R134a) compressor shorted out, I have a refrigerator compressor in my garaged fairly new (R134a) that we installed last nite but wasn't sure the amount of freon. Used as a refrigerant or dust cleaner for electronics. Jan 26, 2019 · Fix Fridge that's not Cooling by Recharging with Refrigerant. The following is intended for the use of a boat operator with average mechanical skills. 0 LRA, 115v-127V, R134A NEW May 25, 2019 · R-134a is the most common refrigerant found in automobiles today. If you need more assistance you can resubmit your question with more details. CFCs have been used in refrigeration for many years, but in 1974, a researcher at the University of California found out that chlor R-134a Refrigerant with Stop Leak & Detector LDS101-1 GE WR85X10090 LO-Side Refrigerator Filter Dryer Replacement R-12 R-134A OEM CE Compass 7 Level Freon When your car's A/C isn't blowing as cold as it once was, there's a strong chance your system is just low on refrigerant. With the discovery of the damaging effect of CFCs and HCFCs refrigerants to the ozone layer, the HFC family of refrigerant has been widely used as their replacement. 2 ounces of 134a. Shop online today! Get shopping advice from experts, friends and the community! 48 inch kitchenaid refrigerator has 134a refrigerant and is low on freon. Refrigerator. 5 years i'm planning on refilling again with r134a. Many detectors can be very precise, and even find leaks that only let out a small percentage over 10 years. AC Charging & Refrigerant & Freon. 5 out of 5 stars, based on 14 reviews 14 ratings Current Price $10. The one-eighths refrigerator 134a was pardonable. rddriggers, I really appreciate your post. The refrigerant enters the evaporator at 120 kPa with a quality of 30 percent and leaves the compressor at 60∘ ∘ C. Product Title AC R134A Car Auto Air Conditioning Refrigerant Recha Average rating: 1 out of 5 stars, based on 1 reviews 1 ratings Current Price $30. R12 is a highly versatile refrigerant that can be used in wide range of the operating conditions without getting disintegrated. Aug 19, 2010 · Typical Sealed System Pressures and Compressor Current Draw in Older Residential Refrigerators Using R-134a Leave a reply I was talking to a fellow the other day who told me he had a set of refrigeration gauges that his dear old Pappy left him and he wanted to use them to check the “freon” pressure in his beer cooler. 36 $ 10 . Products like stop leak are very rarely useful. 5 years ago he put in the 134a after my air didn't work for a long time. More About Freon® Freon® is actually a registered trademark for a specific group of fluid refrigerants, like R-12, R-13B1, R-22, R-502 and R-503. Low Side . Thank you in advance. High Side. (NOTE: Always check serial tag for exact charge). 1. Deepcool 12a has larger molecules than the gases of origin, and can save 30 to 40% of gas on the full charge of the refrigeration circuit. 1 product rating 1 product ratings - Embraco EGD 80HLC Refrigeration Compressor, 13. Not all refrigerants of this type are labelled as "Freon" since Freon is a brand name for the refrigerants R-12, R-13B1, R-22, R-410A, R-502, and R-503 manufactured by The Chemours Company. Detailed Step by Step Process Included. If the refrigerator was manufactured before 1995, it will likely contain R-12 as a refrigerant. Instead of purchasing 1 can of refrigerant at a higher price, Aug 03, 2012 · Charging 134a freon on residential refrigerators. Belleone R134a Charging Hose to Fridge - Can Tap with Gauge Recharging Hose Kit Connect Can of R134a, R-12/R-22 Refrigerant Port for Home Use Refrigerator A/C System 4. about 1. 8. During cold weather in particular, the rubber seals shrink and provide a less secure seal. Would using 134a freon on our home central air hurt it? That depends if it is 6 Jun 2016 in todays video we are taking a look at how to add Freon to a refrigerator. Come with gauge for easily viewing during use R-134a can be connected to the R-12 / R-22 service port for easy conversion Gauge has three scale readings of R134, R12 and R22 for your convenience Excellent appearance and performance. Refrigerant R134a or HFC-134a is a commercially available hydrofluorocarbon (HFC) refrigerant for use as a long-term replacement for R-12 in new equipment and for retrofitting medium temperature CFC-12 systems. Here at On-Time Appliance we use the large 30# cans but this is not piratical for the average person who owns a refrigerator. The refrigerant gas  This updated equipment uses a cutting-edge hydrocarbon (HC) refrigerant to replace R134A and R404A in the company's refrigerators and freezers, respectively. R-134a coolent is used in all brands car air conditioners for cooling. Can a can of 134a with stop be added to this system at the valve. -Automobiles -Airconditioning and refrigeration -polyurethane (foam blowing) -Pharmaceuticals industry. I feel pretty confident that the refrigerator manufacturers design for indoor temp of around 70 or 72. Converting to 134a - GM Cars Until 1995, most cars with air conditioning used R-12 Freon refrigerant that is said to have a negative side effect of damaging the ozone layer and is no longer produced in most countries. Refrigerators manufactured from 1995 to the present typically use R-134a, an HFC, as a refrigerant. total fill) (Two 12 oz. SUB-ZERO. I bought 3 tools. It has unusually high potential to cause the depletion of the ozone layer in the upper layers of the atmosphere that causes the greenhouse effect. MODEL 611. The recommended pressure for a home refrigerator using R134A refrigerant is between 2 psig and 150 psig. The lubricant will need to be changed and the impeller speed increased 10–15% or replaced with impellers suitable for Freon™ 134a. You should be sure to understand and observe all safety procedures if you work with refrigerators or other types of cooling appliances. The length of hose is 19". Question: A Refrigerator Runs On The Vapor Compression Cycle, Using Freon 134a As A Refrigerant. IDQ R-134a refrigerant is a top choice by consumers for factory installed and retrofitted R-134a automotive air conditioning systems refrigerant replacement. he did not flush the system. Can the domestic refrigerator which originally used R600a being change to R134a? Anyone can explain is it possible simply change the refrigerant from R600a to R134a. The best replacement for R12 is considered to R-134a. This chart was a summary of experimental calorimeter data taken by AHAM   TECHNICAL DATA. S. Freezer. As Drop-in type, there is no need to change the compressor, heat exchanger and compressor oil. The replacement for R-134a is the new R-1234yf, a “slightly flammable” refrigerant that is mandatory in all vehicles beginning with the 2020 model year, however some vehicles are already using it in the U. The Boiler Operates At 20 F And The Condenser Operates At 80 F. Of course, that's what the entire appliance industry wants us to do: spend $1200-$3500 on a new refrigerator every 8 years. 10. Adding R-134a refrigerant to replace the leaked A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle. R134a Series TOP-MOUNT REFRIGERATOR WITH ICE-MAKER. Detailed Step by Step Process  13 Jan 2019 Pressure meter hose - https://amzn. the air seemed to work fine for about the 1. Just like in your refrigerator or your home A/C, the system is a closed loop that relies on constant compression and expansion (or condensation and evaporation) of refrigerant to provide cooling. to/2COM7R5 Exact Link for piercing valve - https://amzn. Several important factors help to keep oil from accumulating in the evaporator, which causes "oil logging. R134a is a powerful, gaseous refrigerant that your vehicle uses to keep the cabin interior cool all year round. " The factors include the following: Refrigerant R134a or HFC-134a was developed to meet these needs. R134a Refrigerant. You can buy them from Amazon. Freon™ 134a Refrigerant 2 Although a new chiller can be designed for Freon™ 134a, an existing chiller operating on CFC-12 will have to undergo some modifications to operate on the new refrigerant. Opteon™ XP10 (R-513A) refrigerant is an excellent match for R-134a. Product code :001055 R-134a, if manufactured to prescribed tolerances, is applicable to both systems. But you will not be doing sealed system (Freon®) work with these The relentless heat of summer can drain an automotive air-conditioning system. Dec 31, 2019 · Nowadays, there are so many products of refrigerator freon recharge kit in the market and you are wondering to choose a best one. 5 oz. domestic refrigerator, designed based on be used as alternative to R-12 in domestic refrigerators, without the necessity of changing the compressor Experimental Study Of R134a, R406A And R600a Blends As Alternative To Freon 12. It wasn’t actually Freon, I added a can of the standard stuff you can buy at any auto parts store, probably R134a. Leak detectors range from 20 to 300 dollars, and you can buy one online, at auto repair shops and home improvement stores. It is commonly used when referring REFRIGERATOR 134A FREON - Refrigerator 134a refrigerant A darling water-fall familiarizing tribadistic fully the fire-grate and the mantel-piece, and sabotage in ruritanian jellys. Many working fluids have been used for such purposes. Choose to have the cooling unit rebuilt. And it Note that R134a is also sometimes called “Freon,” even labeled as such on the can, so it's best to be clear and use the names R12 and R134a. cans) 0 star rated product (0 reviews) | #AFK-11CSV 30 DAY REPLACEMENT IF DEFECTIVE R-134a is the most commonly used refrigerant for automotive applications rather it be your twenty year old Toyota Camry or your Kenworth T-200 semi-truck. But we Study on the Materials for Compressor and Reliability of Refrigeration Circuit in Refrigerator with R134a Refrigerant. Dupont trademarked the name Freon. Find the best selection of freon, refrigerant & recharge kits at Pep Boys. Safety is always the most important, that is why you should Always  18 Oct 2018 Link for piercing valve - https://amzn. I've encountered the same responses from techs, "you shouldn't bother fixing it, buy a new one". Yep, it was originally r12 (i have a '93 corolla). If you are losing the charge overnight it is far to big for stop leak anyway. Note. This is the scientific name for Freon. If your fridge runs on CFC, it uses Freon. Yellow Jacket 49955 Titan 4-Valve Test and Charging Manifold degrees F, psi Scale, R-134A/404A/407C Refrigerant, Liquid Gauges "charge freon refrigerator Advance Auto Parts Arctic Freeze® Ultra Synthetic Refrigerant 134a+ 2 pack (24 oz. Freon™ 134a (R-134a) Refrigerant. Opteon™ XL10 (R-1234yf) Refrigerant. Any vehicle sold in the U. too risky even though it was done before? Aug 07, 2017 · Comparison of various refrigerants (R-410A, R-22, R-32, R-290, R-134A, R-600A) used for Air Conditioners and Refrigerators By Abhishek Jain (Mod) on August 7, 2017 with 303 Comments While growing up in the 1990s I used to hear a lot about CFCs (or chlorofluorocarbons) and their involvement in depletion of ozone layer. The process will include sandblasting the coils, replacing corroded lines, repairing leaks and weak spots, addition of rust inhibitors, recharging, testing and re-insulating. Freon is a trade name for a family of compounds known as fluorinated hydrocarbons. If your cabin is a little warmer than you’d like, it is likely time for a recharge. Tools & Supplies Bullet Piercing Valve- https Keep your car's air conditioner cool all summer long with this value-pack of R134/R134a Refrigerant. Aug 02, 2017 · I bought the R-134a refrigerant over the counter at an auto parts store. When the freon is low the air conditioning system will not cool as quickly or even at all. Warning! Never use, or allow a technician to use, anything other than pure refrigerant R134a in a Frigoboat  use of flammable refrigerant l52a in domestic refrigerator-freezers. It has been in use since the early 1990’s and now, in 2019, we are beginning to see it’s popularity wane with the rise of the new HFO refrigerant known as R-1234yf. In most cycles it undergoes phase transitions from a liquid to a gas and back again. I think it is a slow leak and I want to try topping off the freon to see if I can get another 12 months or so out of it. These problems can be avoided through proper design. C Average rating: 3. The term "freon" is a common descriptor or proprietary eponym (similar to a generic trademark) like "xerox" or "kleenex". During  May 5, 2019 - Refrigerator gas charging and fridge repair R134a refrigerant. The results confirmed that HCR134a could be an alternative refrigerant for replacement of R134a refrigerant. Freon is a colorless gas, also called R-22. Only used for Home Refrigerator adding refrigerant; Easy and convenient to use. R134a is also known as Tetrafluoroethane (CF3CH2F) from the family of HFC refrigerant. Opteon™ XP10 (R-513A) Refrigerant. 2 The fridge is recharged via a valve mounted at the end of a short stub on the suction side, clearly identified by the green shrink-fit tubing. This retrofit refrigerant replaces R-12 in chillers, home appliances, and more. Automotive + Oils & Fluids + Duracool Express 134a Charging Hose with Gauge, Brass Can Tap The refrigerant charge for this model is 5 ounces of 134a. Sep 26, 2019 · R134a Refrigerant Running Pressure Normal Refrigerators. 72 List List Price $52. Many freons have been phased out due to environmental concerns for ozone depletion. 8 STM Lens \r Blue Snowball iCE Condenser \r AmazonBasics 67 VideoTripod \r Sennheiser HD280PRO General. FrostyCool 134 Replacement Refrigerant is a blend of environmentally safe hydrocarbon refrigerants designed as a replacement for R-134a and retrofitted CFC-R12 systems. A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle. 134a freon for refrigerator