Features and Benefits:

• Robinair VacuMaster™ vacuum pump features below. See Specifications tab for voltage, micron rating, recommended uses, dimensions and more.
• 2-stage rotary vane design: Powerful, quiet high vacuum capability for maximum moisture removal and reduced evacuation time
• Angled oil drain valve: faster, more complete draining
• Top oil fill port: Better access when refilling oil
• Cast aluminum body: Lightweight and durable die-cast aluminum reduces weight and creates a strong, durable pump
• Quality: Performance-tested to meet Robinair�s quality, durability and longevity standards
• Intake screen: Prevents foreign matter from entering pumping chamber. External exhaust filter separates oil vapor from exhaust flow
• Brass intakes: Reliable brass intake valves with Flare, ACME or both style fittings with tethered caps
• “No Hassle” warranty: Exclusive over-the-counter replacement warranty. Robinair pumps can be returned to a distributor for an immediate exchange. U.S. and Canada only. In other locations, see your Robinair distributor
• Multi-use: Designed for use on A/C-R systems using CFCs, HCFCs, and HFCs in conjunction with mineral oil, ester oil, alkyl benzene oil, and PAG oil as lubricants
• Not for use with ammonia or lithium bromide systems
• Not for use with A4L or other flammable refrigerants


Robinair's No. 15500 VacuMaster Economy Vacuum Pump is a high performance, heavy duty 2-Stage rotary vane design vacuum pump designed for air conditioning and refrigeration service. With a 5 CFM free air displacement, factory rating to 35 microns, and 7.5 ounce oil reservoir, this unit has the capacity you need to get the job done. This robust unit features a 1/3 HP, 115V/60Hz thermally protected motor; an inlet fitting engineered for maximum airflow while preventing oil backflow; finned aluminum surfaces that dissipate heat faster (keeping pump cooler and extending life); 1/4" male flare and 3/8" ACME inlet fittings; 3/8" female flare x 1/2" Acme adapter; easy to read sight glass; easy access oil fill port; oil drain valve positioned at the bottom of the oil reservoir and angled for faster, more complete draining; and non-skid feet. Oil included.