What kind of oil do you use?

vaccum pump oil - but be very careful as to not over fill - I haven't put 3 oz in the pump after the first fill. I use it to pull the air from Platnumsilicon mold material. Been using pump for roughly 8 months.

Is the internal "oil filter" effective or does it still put out a mist? Would you use it indoors in a poorly ventilated space?

Not for indoor use unless you use and exhaust hose venting outdoors. smooth noise but annoying after time indoors. Mist comes off mostly when you restart vac after releasing pressure to open vac it for whatever reason.I set mine outside an run the vac lines into the house eliminating all exhaust and most noise.I can only get -24.5 pressure vacuum.

How many inches vacuum will this pull? I need 29 to operate a vacuum bell jar

At sea level you will pull a high vacuum than you will at say 3000 feet. Probably wont pull much more than 26 at 3000'. Less at higher altitudes. This is normal. As you dont need as much vacuum at higher altitudes.

Do you have a decibel reading for the noise level?

Hello, I did not take a decibel reading. but I can say that it is just a little more than a 'hum'. Nothing that would be bothersome.

Robinair 15800 Vacumaster Economy Vacuum Pump 2 Stage 8 Cfm

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

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

RAPID 8 CFM AIRFLOW - High free air displacement accelerates evacuation, saving you valuable time on every job.
STABLE SECURE SETUP - Non-skid feet ensure steady operation on any work surface, enhancing safety and precision.
COOL DURABLE OPERATION - Finned aluminum surfaces dissipate heat faster, extending pump life and reliability under heavy use.
USER FRIENDLY MAINTENANCE - Easy-access oil fill port, angled drain valve, and sight glass streamline upkeep and reduce downtime.
POWERFUL 2 STAGE PERFORMANCE - Dual-stage design delivers superior vacuum efficiency for commercial refrigeration and HVAC-R professionals.

The Robinair 15800 VacuMaster Economy Vacuum Pump is a robust 2-stage rotary vane pump designed for commercial refrigeration and air conditioning service. Featuring an 8 CFM free air displacement and a 1 HP thermally protected motor, it offers fast, efficient evacuation with a factory rating down to 40 microns. Its finned aluminum housing enhances heat dissipation for longer life, while user-centric features like easy oil access and non-skid feet make it a reliable, professional-grade tool trusted worldwide.

Specifications

ASIN	B001P7C7QM
Brand	Robinair
Customer Reviews	4.1 4.1 out of 5 stars (559)
Date First Available	8 Jan. 2009
Exterior	STEEL
Guaranteed software updates until	unknown
Item Weight	45.3 g
Item model number	15800
Manufacturer	Robinair
Manufacturer part number	15800
Model	ROB15800
OEM Part Number	15800
Product Dimensions	20.32 x 33.02 x 20.32 cm; 45.36 g
Special Features	commercial, corded
Voltage	115 Volts
Wattage	746 watts

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Robinair 15800 VacuMaster Economy Vacuum Pump - 2-Stage, 8 CFM, CHROME

Description

Specifications

Common Questions