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.

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15800 VacuMaster Economy Vacuum Pump - 2-Stage, 8 CFM, CHROME,Red/Silver | For Air Conditioning and Refrigeration Service; 2-Stage Pump, 8 CFM Free Air Displacement, 1 HP 115V/60HZ Motor

Product ID: 4276976

💨8 CFM free air displacement

🔥Thermally protected 1 HP motor

⚙️2-Stage rotary vane design

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Description

⚡ Power your HVAC/R projects with pro-grade vacuum precision!

ROBUST 8 CFM AIRFLOW - Maximize efficiency with industry-leading free air displacement
COOL DURABLE OPERATION - Finned aluminum cooling surfaces extend pump life under heavy use
STABLE PORTABLE DESIGN - Non-skid feet and compact steel body built for demanding job sites
USER FRIENDLY MAINTENANCE - Easy oil fill, drain valve, and sight glass for hassle-free upkeep
PRECISION 2 STAGE VACUUM POWER - Achieve ultra-low 40 micron vacuum for flawless AC/R service

The Robinair 15800 VacuMaster Economy Vacuum Pump is a heavy-duty, 2-stage rotary vane pump delivering 8 CFM free air displacement and a factory-rated 40 micron vacuum. Equipped with a thermally protected 1 HP motor and advanced cooling fins, it ensures reliable, long-lasting performance for commercial refrigeration and air conditioning service. Designed for ease of maintenance with accessible oil ports and non-skid feet, this pump is a trusted choice for HVAC/R professionals seeking efficiency and durability.

Specifications

ASIN	B001P7C7QM
Best Sellers Rank	#123,853 in Automotive ( See Top 100 in Automotive ) #60 in Air Conditioning Vacuum Pumps
Brand	Robinair
Customer Reviews	4.2 4.2 out of 5 stars (574)
Date First Available	January 8, 2009
Exterior	STEEL
Item Weight	1.6 ounces
Item model number	15800
Manufacturer	Robinair
Manufacturer Part Number	15800
Model	ROB15800
OEM Part Number	15800
Product Dimensions	8 x 13 x 8 inches
Special Features	Portable
Voltage	115 volts
Wattage	746 watts

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$1180.14

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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