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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€ 1208.00

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

STABLE SECURE SETUP - Non-skid feet ensure steady operation on any work surface, reducing vibration and noise.
COOL DURABLE OPERATION - Finned aluminum surfaces dissipate heat faster, extending pump life and reliability.
RAPID AIRFLOW WITH 8 CFM - Maximizes evacuation speed, saving you valuable time on every job.
USER FRIENDLY MAINTENANCE - Easy-access oil fill port, angled drain valve, and clear sight glass streamline upkeep.
POWERFUL 2 STAGE PERFORMANCE - Delivers robust vacuum efficiency for commercial refrigeration up to 70 tons.

The Robinair 15800 VacuMaster Economy Vacuum Pump is a professional-grade, 2-stage rotary vane pump designed for commercial refrigeration and HVAC applications. Featuring an 8 CFM free air displacement, thermally protected 1 HP motor, and advanced heat dissipation technology, it ensures efficient, reliable vacuum performance. Its ergonomic design includes easy oil maintenance and non-skid feet for stable operation, making it a trusted tool for professionals seeking durability and speed in evacuation tasks.

Specifications

ASIN	B001P7C7QM
Best Sellers Rank	#186,674 in Automotive ( See Top 100 in Automotive ) #73 in Air Conditioning Vacuum Pumps
Brand	Robinair
Customer Reviews	4.2 4.2 out of 5 stars (572)
Date First Available	January 8, 2009
Exterior	STEEL
Is Discontinued By Manufacturer	No
Item Weight	1.6 ounces
Item model number	15800
Manufacturer	Robinair
Manufacturer Part Number	15800
Model	ROB15800
Product Dimensions	8 x 13 x 8 inches
Special Features	Portable
Voltage	115 Volts
Wattage	746 watts

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