R-414a is one of them. Worldwide Marine and Offshore Service Suppliers, - On-board refrigeration, air conditioning and HVAC services, - DEN-SIN Blueline high pressure jet washers, - DEN-SIN Mermaid high pressure jet washers, - DEN-SIN Merlion high pressure jet washers, - DEN-SIN Ultra High Pressure jet washers, Firefighting - Equipment service and supply, - Welding consultancy and training services, Suitable for all applications including mobile air conditioning, No need to change the existing lubricant avoiding expensive retrofit, Avoids risks associated with a dirty retrofit using R134a and mineral oil, The use of RS-24 enables oil return to the compressor, Avoids the use of hygroscopic and costly synthetic lubricants, An almost perfect performance match to replace R12 in vehicle air conditioning, Available in returnable and disposable cylinders, Suitable for new and existing plant and equipment. I changed it out when I replaced the leaking compressor and leaking little U piece under the dash. I don't think you need to replace the expansion valve. I am having to take compressor out, flush old non R134a compatable oil out and then replace with Ester oil. I'm a mechanic, with 25 years experience, in Arizona so we have many older cars, and hot weather. Call & Collect your order from any one of our 27branches in the UK & Ireland.FSW Where you need us When you need us. It is this combination of properties which makes RS-24 unique as a replacement for R12 on the market today. Subscribe to our newsletter to learn about special offers, R410, R410a, R-410a, Refrigerant, Air Conditioner, 28 oz. Changing to a different refrigerant (RS24, R134a, or anything else) without changing the dryer/receiver and/or expansion valve is utterly stupid. R-426A (RS-24) can also be used in medium temperature refrigeration systems. At best it is difficult. There is no good reason to convert as long as you can still get R-12. Thank you for your inquiry and interest in ChemPoint. A forum community dedicated to all Lotus owners and enthusiasts. According to the MSDS sheet it DOES contain Butane, a flammable gas. I will say most of the systems I've done were late 80 to early 90s and I have heard the older you get the worse the outcome and increase in part failure compatibility issues. RS-24 is a Drop-in alternative for R12 which also provides a long term solution at the same time. BeAirConfident - Let Wolseley Climate support your next project, Modern Here's my take on this given that I converted my first car from R12 to R134a and also wrote up a general overview on the W126 forums back in 2015. For the best experience on our site, be sure to turn on Javascript in your browser. RS-24 allows for easy exchange and replacement within R12 systems with minimal changes required in existing compressor set-up or equipment. I have a nearly full 13.5 Kg bottle of R12 here by my desk (so I can keep an eye on it) which I have only used once to top up my car about 15 years ago. I've also done the full swaps, compressor, receiver dryer, etc and partial swaps, no compressor etc, but I've never noticed a quality difference in the end, between full swaps, partial, or just charge adapters. No law requires you to convert if the system was originally built to use it. Recovery unit and cylinders, container for recovered lubricant, vacuum pump, weighing scales, replacement drier etc. I entered a service note with the price ranges I found on BAP (thanks for that link), and asked for whatever break/discount he could do. statement, Underfloor heating quote, Performance match for R-12, comparable physical and thermodynamic properties, Zeotropic blend containing R-125, R-134A, butane and isopentane, Must be charged from the liquid phase to ensure accurate composition, Cylinder has dual port valve, making liquid off-take easier, Generally compatible with mineral oil, however a conversion to POE oil may be required. When I was in Tucson the only thing that kept up was r152a on a black on black wagon. The "conversion" is neither expensive or hard. Site by Mentor Digital (Opens in new window), Downloading Safety Data Sheet - Please Wait, Fire Protection and Halon Related Services, AGas product cylinders are fitted with a Residual Pressure Device (RPD) to ensure used refrigerant, or any other substance cannot be reintroduced into a cylinder, Store cylinders in a cool, dry, well-ventilated area, out of direct sunlight, AGas operates a returnable cylinder fleet, empty cylinders are to be returned to an AGas wholesale partner, For alternative or larger package sizes please contact A-Gas on 0215518790 or via the, Excellent performance match for R12, with comparable physical and thermodynamic properties, Zeotropic refrigerant blend containing R125, R134a, Butane and Isopentane, Refrigerant must be charged from the liquid phase to ensure accurate composition, AGas refrigerant cylinders have dual port valves, making liquid offtake easier, Non-flammable with a safety classification of A1, Generally compatible with mineral oil, however a conversion to POE oil may be required in certain circumstances. Replaces R-12, R-134a, R-500, R-401A/B, R-409A, R-414B, R-416A, R-420A, R-426A, R-437 & R-414A in most applications. RS-24 is compatible with MO/AB and PAG oils. My 1991 W124's air conditioner (R12) has always kept the cabin temperature as cool as needed (with my recently replaced ventilation fan running at 1 or 2). You can get harbor freight gauges and they're decent for the price, their vacuum pump isn't bad either, but the one I used only hit 27 or so inches of mercury. High side should be at least double ambient temperature and low no higher than half if not lower. Gain access to our free AOP (Ask a Professional) Section to get real answers for your questions. If your region is listed below, the link will take you to the ChemPoint homepage. Hydrocarbon do not work good over 100f temps Ive found. My '91 SE at shop now, say hasty r134a swap was attempted previouslycompressor leakreplacement unit is $611, replacement drier $127, new TEX valve for correct R134a conversion. } SummaryR426A (RS-24) is a HFC blend, used as a retrofit refrigerant for R12 in new and existing commercial and industrial air conditioning systems. Copyright FSW Ltd. All rights reserved. It will still feel cold compared to the outside air but it will take a lot longer to achieve the set temp inside the cabin. The valve I got was identical to the one that was in there. Mercedes-Benz Sedan / Coupe / Wagon Forums, The Fora platform includes forum software by XenForo, https://rennlist.com/forums/924-931gerants-r-134a-is-out-rs-24-r-426a-is-in.html, https://www.amazon.com/Santech-980745667526&sr=8-7&keywords=r134a+conversion+kit, http://www.refsols.com/files/RS-24/RS-24_Q&A.pdf, http://www.refsols.com/files/RS-24/RS-24_Physical_data_&_retrofit.pdf. R422B refrigerant, 25lb Cylinder, R22 Replacement. Image shown for illustration purposes RULES for AOP - Owner Assistance and Contractors, Energy Efficiency and Building Performance Discussion NEW, Carnak Zone/Locked Areas - For Professional Member Only, How To Become a Pro and Rules For Pro Members, Pro Forum: Refrigerants and EPA regulations **NEW, Pro Forum: Residential Refrigeration and Appliances **NEW, Pro Forum: Equipment Recalls and Bulletins **NEW, Pro's Forum: Building Science Discussions, Educational Forums - Open for all in the industry, Welcome to HVAC-Talk's Educational Forums, How to Submit Links, Articles and Quiz Questions, Frequently Asked Questions About Submissions, Physics, Thermodynamics, Fluid Flow and Combustion, Educational, Training & Reference Information, Manufacturer's Technical Information Links, Electrical Theory, Circuits and Electronics, HVACR Equipment, Components & Accessories, Accessories Humidifiers, Air Cleaners, HRUs, Fans, Filters, etc. Check oil level after several hours of operation and add oil if necessary. The dryer should be replaced and each component should be flushed to get as much of the old oil out as possible. While there are posts about the R12 to R134a conversion, has anyone converted to the "drop-in" RS24 (R426A) refrigerant? Suitable for all refrigeration applications including mobile air conditioning No hardware or lubricant changes required in change out Lower Discharge Temperatures Zero Ozone Depletion Potential Non-Flammable Suitable for new & existing equipment Avoid failure risks of using a dirty retrofit R134A and mineral oil, Eco-Damaging Refrigerant Chemistries like R134A Just charged it up with the R134 and it worked without problems. Hot Shot 2 is compatible with all compressor oils. I have seen systems that had what is commonly known as "Black Death", contamination because of incompatible oil and moisture. The #1 question asked by NEW MEMBERS. I was going to have him give the car a once-over anyway, so looks like "problem" solved. Star House, Turbine Business Park, Turbine Road, Birkenhead, Merseyside, CH41 9BA, enquiries@star-international.co.uk|+44 (0) 1244 504 500. RS-24 is compatible with all materials commonly used in refrigeration systems previously charged with R12. The R12 system wasn't designed for R134a, hence the need to replace seals, oil etc. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); IMPORTANT: Never top up a R-12 system with RS-24. RS24 is closer to R12 than R134a, changing to RS24 also doesn't require any changes to the system (oil, seals, fittings). Since there is no need to change the existing lubricant, RS-24 is straightforward to use as, the following procedure outlines. You can find out how to manage cookie preferences on our Policies page. The seals are not reuseable. Starting January 1, 2018, the sale of ODS (Ozone Depleting Substances) and substitute refrigerant is restricted to certified technicians only. Recover the R-12 charge and weigh recovered amount of R12 to determine amount of RS-24 to be charged. It got so bad that dealers have bought testers so they can verify what's in the system before they would take a car in trade. EPA certification required. Because the TEX valve is not adjustable so you can make it work with different refrigerants, it should be changed. info@rscool.com. Looks very promising for W124s that came with R12 systems, but for R134a equipped cars I think you're better off sticking with the genuine stuff. All Rights Reserved. All Rights Reserved. I typically see 250 plus and around 30 for around 100 degrees outside. For a better experience, please enable JavaScript in your browser before proceeding. Because -134 has a lower molecular weight it has less mass to transfer the heat energy. Yes, I'm staying with R12. Or has anyone done the conversion to R134a, and what did that cost (roughly)? IF YOU ARE LICENSED TECHNICIANI acknowledge and affirm that I am not purchasing this for resell, I am a licensed HVAC contractor who maintains an EPA 608 Certification and I have emailed proof of such certificate to admin@budgetheating.com. There is no need to change the existing lubricant in the system, thereby avoiding a costly retrofit. Basket. NOTE: Systems with inherent poor oil return, such as systems with unusually long suction lines and/or low temperature systems, may have improved RS-24 oil return capabilities with alkylbenzene or polyolester oils. Some shops in the Southwest and Mexico would fill a car up with Butane or Propane. Participate in over 40 different forums and search/browse from nearly 3 million posts. We use it. AC parts always seem to have a 100% markup or worse if you go through the service provider. Performance relative to R12 is illustrated in charts 1, 2 and 3. A customer would not realize their system is 10% less till they try to cool it on a REALLY hot day. When converting you really should replace the TEX (Thermostatic eXpansion) valve according to the refrigerant you are going to use. 2008-2022 ChemPoint. PLEASE PROVIDE CUSTOMER NAME IN EMAIL FOR REFERENCE). Record baseline data to establish the normal operating conditions for the equipment. "Attributes" : { With this refrigerant there is no need to change the oil. Need more feedback from people that have actually used it in hot climates. Inadequate HFC or CFC Refrigerant Blend. On larger systems fitted with an oil sight-glass. I just came across this post. They are less efficient so you do lose some capacity. RS-24 provides an easy to use replacement for the harmful and outdated chemistry exhibited by R12 Gas and boasts similar performance with decreased environmental impact. Read our Privacy Notice. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! NEW Improved formula with Leak Stop and UV DYE. RS-24 also provides a long-term solution to replacing R12 in most applications such as hermetic and semi-hermetic systems, domestic refrigerators, refrigerated transport, cold stores, cellar cooling, dairy chillers, vending machines and mobile air conditioning. Try to stay with R-12 as long as you can. ]. The best advice is to try to stay with R-12 for as long as you can. We have the largest HVAC facility in North America consisting of two massive warehouses totaling more than 100,000 square feet of storage space. As with all hydrofluorocarbons (HFCs), RS-24 does have a direct global warming potential (GWP), but this is counterbalanced by its lower Total Equivalent Warming Impact (TEWI) than R12. Butane and propane concoctions typically lose their cooling efficiency in hot climates when you need them the most. It provides, therefore, a one change solution to the replacement of R12 at minimal expense. By continuing, you agree to the use of cookies. The engine I have already has an R134 compressor, and replacement hoses and dryers are pretty easy to get. Start the system and check baseline data, adjust the expansion device if required. Hi, let us know if you have any questions as you visit our website. It is recommended to check equipment manufacturers retrofit literature and obtain recommendations from equipment manufacturers with regard to materials compatibility. Typically these substitutes have some caveat, like losing their efficiency as outside temps near 100F. Your document download will begin shortly. Our web site has an extended validation certificate, which ensures you the highest and safest secure transaction. Lubricants. Star International supplies all types of refrigerants, welding gases, electric welding machines, Fire service and safety equipment to the Marine & Offshore Market. It makes a great refrigerant if you don't care that it could explode! R410a Total System Repair kit include Can and Easy to use Gauge with push button. The ARPA Zone/Open Membership Discussion Forums, http://www2.dupont.com/Refrigerants/_MO49Plus.html. The compressor does not have to be replaced but it can't hurt. Every part of our business is molded to provide a superior experience. ditto the climate control system in our 93 960 worked great (now, I dunno if that one was r12 or r134, i never did any wrenching on that car, it was my wife's, still relatively new, and getting maintained by a volvo indy shop). No experience with RS-24, but I see that it contains Butane That's what I've always heard about R134a conversions, and the Lotus doesn't need diminished AC. As others have posted, R-134 will be less efficeint and won't provide the same cooling capacity as R-12. Can with Leak Stop and UV DYE, R410a Refrigerant with Leak Stop 28 oz. Temperatures here have been over 41 for a couple of days recently. TIA. R-421A is a drop-in replacement for R22 systems. I've done many 134a recharges on r12 systems with just the adapters on the charge ports, always with decent to good results. We use Cookies on our website. You are not alowed to use a flammable gas in a mobile refrigeration system as in a car. This means that you are insured for up to $250,000 when relying on the information provided by Id Authority on this site. We feature one of the largest collections of gas heaters, split air conditioners, heat pumps and more! Therefore, there is no need to change the lubricant although compressor manufacturers recommendations regarding lubricity should be followed. Jug - R12, R134A, R500, R401A/B, R409A, R414B, R416A, R420A, R426A, R437 & R414A Replacement, 16 - 19.5 SEER MULTI-STAGE / VARIABLE SPEED, 15 - 16 SEER HEAT PUMP SINGLE STAGE VARIABLE SPEED, 16 - 20.5 SEER HEAT PUMP MULTI STAGE VARIABLE SPEED, Air Conditioner, Gas Furnace & Cased Coil, 16+ SEER Two Stage Compressor 80% or 96% AFUE Combo, DUAL FUEL Heat Pump, Back Up Gas Furnace & Cased Coil, 15 - 16 SEER Dual Fuel 80% or 96% AFUE Combo, 16+ SEER Two Stage Compressor Dual Fuel 80% or 96% AFUE Combo, Rheem Split Systems Indoor/Outdoor Gas, Electric, Heatpump, Single Zone Cool Only Systems 15 to 30 SEER, Single Zone Heat Pump Systems 14.5 - 17.5 SEER, Single Zone Heat Pump Systems 18 - 33.1 SEER, Multi Zone Heat Pump Systems 15 - 23 SEER, Rheem Straight Cool, Heat Pump, Gas, & Dual Fuel All In One Package Units, 9 EER Heat Strips (W18A2/H2 Thru W72A2/H2), 11 EER Heat Strips (W18AB/HB Thru W72AC/HC), ICP - ARCOAIRE / COMFORTMAKER / GRANDAIRE / HEIL / TEMPSTAR, York / Fraser Johnston / Luxaire / Coleman Heat Strips, Specialty Flex Duct Antimicrobial & High Pressure, gas heaters, split air conditioners, heat pumps. If the system is fitted with a refrigerant sight-glass and the sight-glass is not indicating a full charge additional RS-24 may be added. Ask Our Pros-Owner Assistance - NO DIY advice will be given. ChemPoint will not under any circumstances release personal user information to individuals or companies. Built by Volusion. Liverpool (Head office) Star House, Turbine Business Park, Turbine Road, Birkenhead, Merseyside, CH41 9BA, Email: enquiries@star-international.co.uk. Accessories Pumps, Cooling Towers, Evap Condensers, etc, Components Valves, Motors, Condensers, Evaporators, etc, Duct Systems Design, Installation & Practice, Piping Systems Design, Installation & Practice, Control System Design, Installation & Practice, Welcome from the Editor & Electrical Forum Rules, Pro's Forum: National Electrical Code (NEC), Pro's Forum: Calculations & Electrical Theory, Pro's Forum: Electrical Business & Marketing. JavaScript seems to be disabled in your browser. Click here to search for something similar, /wcsstore//WolseleyStorefrontAssetStore//, [ I have to replace dryer, Replace all gaskets I can get to. Thanks, David. ???SEARCH_AUTO_SUGGEST_CACHED_ACCE_REGION??? It looks like the SE has recharge ports on the back of the compressor, so, hopefully, it shouldn't be too difficult. View Basket When you recharge it's typically a little less 134 than it would take r12. I have read that older R12 systems can be re-charged with RS-24.has anyone here done that? We are the main contact centre for all World-Wide distribution of supplies. When changing to -134 you are supposed to reduce the amount of refrigerant by 10% because of the higher pressures. View Basket Inferior Cooling Efficiencies It went fine. Read this guide. Hot Shot 2 as an ozone safe, reliable, and affordable HFC replacement for R-12 and other R-12 interim replacements. (CLICK LINK ABOVE PRICE. Can, Gauge Included. Because it is a blend, it is recommended that RS-24 be charged into systems in the liquid as opposed to the gaseous phase. R134a doesn't cool as well as R12, especially at higher ambient temps. I am in process with R12 to R134a on a older vehicle. This kit feature a double check valve to avoid back pressures and self-sealing valve on the can to allow multiple uses. How much does it cost and relative to R12 and R134a how do you figure how much to use? Easy to read- color base gauge included. I have defiantly heard that oil doesnt mix, etc, but never seen proof. '17 Evora 400, '06 Elise, '74 Europa TCS, '70 Europa S2, '00 Locost Se7en. All information collected is solely used to support ChemPoint's customer service communications. I used a new Sanden compressor specifically for R134 with the right oil, etc. Noting the composition of RS-24.it has Butane. Easy to use, Low GWP Refrigerant (ASHRAE R426A) to Directly Replace R12 in a Wide Range of Conditioning and Refrigeration Applications. Refrigerant Services Inc. NU-22B is the only R-22 replacement you need. Our pricing, customer service and technical expertise have made us a favorite in the HVAC supplies industry. Simply recover the R22 and recharge with R421A.Experiencing R421a problems? 902-468-5102 The properties of RS-24 make it an almost perfect match for R12 with its compatibility for traditional and synthetic lubricants, similar performance, lower discharge temperature, non-flammability and relatively short atmospheric lifetime. RS-24 is a non flammable blend of HFC 134a, HFC 125, butane and isopentane which has a zero ODP and is also compatible with both traditional and synthetic lubricants so that a retrofit is not required. R22 Refrigerant, 30lb disposable cylinder. Experiencing R421a problems? BudgetHeating.com also holds a website identity assurance warranty of $250,000. Read this guide. JavaScript is disabled. I just talked to my local British Car Club mechanic, and he has R12/can do the recharge with the proper equipment and check the system for leaks, etc. RS-24 is an easy-to-use drop-in replacement for R12 and R134A. Rule-of-thumb, you get 12,000 BTU (1 ton) of cooling per pound of refrigerant. "catentry_id" : "435596", Today, we are proud to say that BudgetHeating.com has filled more than 50,000 orders worldwide. Clearly label system as charged with RS-24 and type of oil used. Budget Heating has been in the home heating and cooling business for more than 20 years and were the first to offer HVAC supplies and products over the Internet! RS-24 is an excellent performance match for R12 providing a similar performance in almost every respect. My 1991 SE needs some AC assistance. So that's why it can be used to top up 134. Conveninent Size can of R410a with added Leak Stop and UV DYE. This A-Gas R-426A (RS-24) 13kg rental cylinder contains a HFC blend, suitable as a retrofit refrigerant for R-12 in new and existing commercial and industrial air conditioning systems. Come join the discussion about performance, modifications, troubleshooting, maintenance, and more! The EPA has very strict rules but often shops take short cuts and do not do the complete job. Post photos, respond to polls and access other special features. The insides are coated in a slimy black residue. B3B 1X3, Canada Can't see what you want? RS-24 (ASHRAE R426A) is a non-flammable, zero ozone depleting replacement for R12. You have to remove it anyway to change the "O" ring seals. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The big advantage is you do not have to flush the system or change anything except the label. The hardest part of the whole conversion is replacing the effing expansion valve. Freon Refrigerant 'Hot Shot 2' 25lb. For a better experience, please enable JavaScript in your browser before proceeding. RS-24 can be used safely with both the traditional and new synthetic lubricants, and consequently there is no need to change the oil when replacing R12. Also I think it could be that expansion valve systems react much better to the change than orifice tube systems, I believe all the 4runner systems are expansion valve, hence the positive outcome. All HFCs are considered ODS substitutes and affected by this restriction. The store will not work correctly in the case when cookies are disabled. Questions About Becoming A Professional Member? The hoses should be replaced with "barrier" type and every "O" ring seal should be replaced. All Rights Reserved. You won't notice it till you need it and In Socal you need all the cooling you can get. 902-468-4997, 1-866-999-COLD (2653) Hot Shot 2 has been extensively field tested in a variety of applications and we are confident you will be pleased with its performance. 15 Williams Ave. not cheap but works pretty good. Click on link below for full EPA disclosure. If you're considering a refrigerant alternative to R12, it's usually because your system has lost its charge. Sounds too good to be true. R426A (RS-24) is also used in medium temperature refrigeration systems. None of the components of RS-24 contains chlorine so that it has no ability to deplete the ozone layer. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. R426A (RS-24) is a HFC blend, used as a retrofit refrigerant for R12 in new and existing commercial and industrial air conditioning systems. You can only "top off" once or twice because the blend will change so you must remove and replace the entire charge to maintain the correct balance of the mixture. It opens/closes based on thermals, not any freon type specific thing. slavery Best of all, no retrofit is required. View Basket The solubility of RS-24 in mineral oil enables oil return to the compressor. RS-24 eliminates the risk of a compressor burn-out which can occur by simply replacing R12 with R134a without reducing the mineral oil content in the system to the recommended maximum 5%. What about 408a and 409 depending on the aplication? I've done many 134a recharges on r12 systems with just the adapters on the charge ports, always with decent to good results. Hot Shot 2 Facts Zero Ozone Depletion Potential Non Toxic and Non Flammable Compatible with all compressor oils Can be topped off after leak has been repaired Widespread availability. Dont forget these were not my cars, Ive never owned a converted system car. Mercedes-Benz 190E 2.6, 300E, Volkswagen Jetta 1.4T. Between that and the higher pressures, you lose around 10% of your cooling capacity. It seemed a little high, but there are not many options here in Charleston, SC, and this shop is reputable/offers a 2yr/24,000 mile warranty on their work. We are committed to finding and welcoming the best talent in each of our locations. To change to -134 you must also flush out ALL of the oil or you will have problems of compatibility with the oil for -134 resulting in "Black Death" of your system. If a low pressure control functions as a temperature control, check the space temperature and adjust if necessary. For the best experience on our site, be sure to turn on Javascript in your browser. In general, materials which are compatible with R12 can be used with RS-24. } Whenever you R&R the expansion valve, you always need to replace the associated seals. when changing over. only. If however the oil in the system is being changed, it is not necessary to remove all of the existing oil in the system. One advantage to retrofitting to Hot Shot 2 is that you do not need to perform a costly and time consuming compressor oil change. The 134 converted a/c in my 92 740 worked *way* better than the r12 system ever did in our 87 240, even when the 240 was brand new. 1992 W124 230E Auto, M102.982, 219,175 km / 139,984 miles, MBSA-built - CURRENT | 1985 W123 280E Auto, M110.988, 110,265km / 68,915 miles, MBSA-built - SOLD | 1985 W123 230E Manual, M102.982, 219,320 km / 137,075 miles, MBSA-built - SOLD, '92 300TE 4matic 280,000miles, '92 300TE 4Matic 'Ice Blue Metalic' 101,000miles.
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