Robinair (15500) VacuMaster Economy Vacuum Pump - 2-Stage, 5 CFM , Red

Q: Can the exhaust fitting (the big red plastic cap) accept a pipe fitting?

The exhaust fitting does not accept a standard NPT fitting, the exhaust female thread is 7/8" in dia and 16 tpi.7/8" ID lies between pipe size 1/2 and 3/4

Q: Can you tell the rated hp for this pump? I need one to easily keep 11 lbs vacuum using a pressure guage. Thanks!

Bonnie - 1/3 hp. It will hold 28 to 30in Hg in smaller sealed systems, such as automotive AC. Note that vacuum in this unit is constant and increases up to about 30in Hg. The equivalent in PSIa (a = absolute) for 30in Hg is roughly 15 PSIa. Note also that you will require a vacuum gauge to monitor vacuum; not a pressure gauge. Hope that helps.

Q: Can i use different brand oil? Or has to be same brand?

Any brand of vacuum pump oil can be used.

Q: What is the Warranty on this pump?

It has a Limited Warranty for 1yr from dat of purchase

Product ID: 82437973

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Details

Brand
Robinair
Color
Red
Material
Aluminum
Style
5 CFM
Product Dimensions
13"L x 5"W x
Item Weight
21 Pounds

⚡1/2 HP thermally protected motor

💨5 CFM free air displacement

❄️Finned aluminum heat dissipation

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Description

🔧 Elevate your HVAC game with the VacuMaster — where power meets precision!

SECURE STABLE DESIGN - Non-skid feet and engineered inlet fittings prevent oil backflow and keep your workspace safe and clean.
COOL DURABLE OPERATION - Finned aluminum surfaces dissipate heat faster, extending pump life and reliability under heavy use.
PRECISION VACUUM CONTROL - Factory rated to 35 microns for deep evacuation, ensuring flawless air conditioning and refrigeration servicing.
USER FRIENDLY MAINTENANCE - Easy access oil fill port, angled drain valve, and sight glass streamline upkeep and reduce downtime.
POWERFUL 2 STAGE PERFORMANCE - Maximize efficiency with a robust 5 CFM vacuum flow designed for professional HVAC/R service.

The Robinair 15500 VacuMaster Economy Vacuum Pump is a professional-grade, 2-stage rotary vane pump delivering 5 CFM free air displacement and a deep 35-micron vacuum rating. Featuring a thermally protected 1/2 HP motor, finned aluminum cooling surfaces, and user-centric design elements like easy oil maintenance and non-skid feet, it’s engineered for reliable, efficient air conditioning and refrigeration service. Trusted globally, this pump combines durability and precision to keep your projects running smoothly.

Specifications

Brand	Robinair
Color	Red
Material	Aluminum
Style	5 CFM
Product Dimensions	13"L x 5"W x 10"H
Item Weight	21 Pounds
Voltage	115 Volts
Global Trade Identification Number	00637335016248
Manufacturer	Robinair
UPC	637335016248
Model	15500 Vac Pump
Item Weight	21 pounds
Item model number	15500
Is Discontinued By Manufacturer	No
Manufacturer Part Number	15500
Safety Rating	Não aplicavel
Wattage	700 watts

Have a Question? See What Others Asked

Can the exhaust fitting (the big red plastic cap) accept a pipe fitting?

Can you tell the rated hp for this pump? I need one to easily keep 11 lbs vacuum using a pressure guage. Thanks!

Can i use different brand oil? Or has to be same brand?

What is the Warranty on this pump?

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