Robinair VacuMaster ROB-15300 3 CFM Vacuum Pump - 2 Stage

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The Robinair VacuMaster Rob-15300 is a vacuum pump 3 CFM strong with a two-stage rotary vane that pulls down to 35 microns. That's deep enough to strip moisture out of residential A/C systems up to 30 tons, panel trucks, and RV units without second-guessing whether you hit a true vacuum. One pump covers your automotive vacuum pump needs and your HVAC service calls. Single-stage pumps make you wait. This 3 CFM vacuum pump cuts evacuation time because the two-stage design pulls harder and faster, getting you to target vacuum sooner. The sealed-bearing motor starts clean every time, even on cold mornings or after sitting in your van all weekend. Cast aluminum keeps the weight at 28 lbs, so you're not dragging dead weight up a ladder or across a parking lot. An angled oil drain valve means faster, cleaner oil changes between jobs, and the easy-view sight glass lets you check levels at a glance without stopping work. Compatibility isn't an issue. The Rob-15300 handles systems running CFCs, HCFCs, and HFCs with mineral oil, ester oil, alkyl benzene oil, or PAG oil. Brass intake valves with both 1/4" MFL and 3/8" ACME fittings connect to the systems you're already working on. An intake screen keeps debris out of the pumping chamber, and the external exhaust filter separates oil vapor from exhaust flow, so the pump stays clean internally even on dirty jobs. When you buy from Garage Supply Guys, you get direct access to people who actually know this equipment. Need help choosing the best automotive AC vacuum pump for your shop? Call us at (855) 498-2147. Specifications Brand Robinair Model Rob-15300 (VacuMaster) Free Air Displacement 3 CFM Micron Rating 35 microns Stages 2 Motor 1/3 HP Voltage 115V, 60 Hz Intake Fittings 1/4" MFL, 3/8" ACME, 3/8" FFL x 1/2" ACME adapter Oil Capacity 7.5 oz (220 ml) Cord Length 6 ft (1.8 m) Weight 28 lbs (12.5 kg) Dimensions 10" H x 5" W x 13" L (255 mm x 123 mm x 336 mm) System Capacity Up to 30 tons (105 kW) Approvals CSA Compatible Refrigerants CFCs, HCFCs, HFCs Compatible Oils Mineral, Ester, Alkyl Benzene, PAG UPC 637335016255 Not for use with ammonia, lithium bromide systems, A2L, or other flammable refrigerants. What's Included Robinair VacuMaster Rob-15300 Vacuum Pump 1/4" MFL Intake Fitting 3/8" ACME Intake Fitting 3/8" FFL x 1/2" ACME Adapter 6 ft Power Cord Call to confirm included accessories. Applications Residential A/C Service Evacuate split systems, heat pumps, and central air units before charging. Whether you're doing a new install or a compressor swap, this ac vacuum pump gets moisture out fast so you can charge with confidence. Automotive A/C Work Pull vacuum on car ac systems during compressor replacements, condenser swaps, or full system recharges. The portable size fits right next to your recovery machine on the service cart. A solid vacuum pump for car ac work in any shop. Panel Trucks and RVs Service refrigeration and climate systems on delivery trucks and recreational vehicles. Light enough to carry to wherever the vehicle is parked, with the displacement to handle larger mobile systems efficiently. Commercial Refrigeration Maintain walk-in coolers, reach-in units, and display cases. The multi-refrigerant compatibility means you're not swapping pumps between different systems on the same service call. One auto ac vacuum pump that works across your whole route. Shipping All items for sale on our site will be shipped to the designated address upon completion of order. We will ship to your desired site once payment is authorized. We ship to any address in the Continental United States only. We do not offer local pickup. Please allow 3-5 business days for shipping to be completed. If you have questions about your order please fill out our contact form. Warranty 1-Year Warranty with "No Hassle" Exchange All Robinair products are warranted to be free from defects in material and workmanship under normal use and service for a period of one year after the sale of the product. Exception to this policy will be individually identified. The sole obligation under this warranty shall be to repair, replace or provide credit for any defective product or parts thereof, which are returned to the seller's factory within the period mentioned above, and which upon examination are proven to the seller's satisfaction to be defective. The warranty shall not apply to any product or part which has been subject to misuse, negligence or accident. The seller shall not be responsible for any special or consequential damages and the warranty as set forth is in lieu of all other warranties, either expressed or implied. Robinair pumps may also be returned to a distributor for an immediate over-the-counter exchange (U.S. and Canada only). For full warranty statement, please refer to your product owner's manual. Documents Click to open in a new tab. Robinair VacuMaster 3 CFM Vacuum Pump Rob-15300 Sales Sheet Features and specifications overview Robinair VacuMaster 3 CFM Vacuum Pump Rob-15300 User Manual Operation and maintenance instructions Ready to Order? Talk to our equipment specialists for pricing, availability, and answers to your questions. Call us: (855) 498-2147 Frequently Asked Questions What refrigerants and oils is the Rob-15300 compatible with? The VacuMaster Rob-15300 works with systems running CFC, HCFC, and HFC refrigerants. It's compatible with mineral oil, ester oil, alkyl benzene oil, and PAG oil lubricants. However, it's not rated for use with ammonia, lithium bromide systems, A2L, or other flammable refrigerants. Can I use this vacuum pump for automotive A/C service? Yes. The Rob-15300 is a versatile vacuum pump for automotive AC work as well as residential and light commercial HVAC. At 28 lbs with a 6 ft cord, it's portable enough for a service cart or mobile van setup. The brass intake fittings with 1/4" MFL and 3/8" ACME connections work with standard automotive and HVAC manifold sets. What does the "No Hassle" warranty cover? Robinair backs the VacuMaster with a 1-year warranty covering defects in material and workmanship under normal use. The "No Hassle" program allows over-the-counter exchange at participating distributors in the U.S. and Canada, so you're not waiting weeks for a repair. The warranty does not cover damage from misuse, negligence, or accidents. How do I maintain the vacuum pump oil? Check oil level through the easy-view sight glass before each use. The pump holds 7.5 oz of vacuum pump oil. When the oil looks dark or milky, drain it through the angled oil drain valve, which allows faster and more complete draining than standard bottom-drain designs. Refill through the top oil fill port. Regular oil changes keep the pump pulling to its rated 35 microns. What size A/C systems can this pump handle? Robinair rates the Rob-15300 for residential air conditioning systems up to 30 tons, along with panel trucks and RVs. For larger commercial systems, you'd want to step up to a higher-CFM pump. For most residential HVAC work and vehicle A/C service, the 3 CFM displacement provides fast, thorough evacuation. Q: What refrigerants and oils is the Rob-15300 compatible with? A: Compatible with CFC, HCFC, and HFC refrigerants using mineral oil, ester oil, alkyl benzene oil, and PAG oil. Not rated for ammonia, lithium bromide, A2L, or flammable refrigerants. Q: Can I use this vacuum pump for automotive A/C service? A: Yes, the Rob-15300 works for automotive AC and HVAC service. Weighs 28 lbs with 1/4" MFL and 3/8" ACME intake fittings compatible with standard manifold sets. Q: What does the No Hassle warranty cover? A: 1-year warranty covering material and workmanship defects. Over-the-counter exchange available at participating U.S. and Canada distributors. Does not cover misuse or negligence. Q: How do I maintain the vacuum pump oil? A: Check oil via sight glass before use. Oil capacity is 7.5 oz. Drain dark or milky oil through the angled drain valve, refill through top port. Regular changes maintain 35-micron performance. Q: What size A/C systems can this pump handle? A: Rated for residential AC up to 30 tons, panel trucks, and RVs. For larger commercial systems, a higher-CFM pump is recommended. Show more