Top Sight Glass Drain Valve Reviews

Robinair (15401) CoolTech Vacuum Pump - 2-Stage, 93 liters/minute

  • Robinair's CoolTech 2-stage rotary vane design vacuum pump features the power and capacity needed for a wide range of service applications as well as robust construction for a long service life.
  • Powerful 1/3 HP, 115V/220-250V - 60/50Hz thermally protected motor, 94 liters per minute free air displacement, and factory rated to 15 microns for a fast, thorough evacuation.
  • Offset rotary vanes build powerful compression within the pumping chamber - reducing pressure and vaporizing moisture.
  • durable molded polycarbonate base improves pump balance and minimizes vibration.
  • Iso-Valve isolates pump from system with just a quarter turn.
  • Gas Ballast design mixes moisture laden air passing through pump with relatively dry air so compression doesn't cause condensation.
  • 1/4 inch and 1/2 inch male flare inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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Robinair (15424) CoolTech Vacuum Pump - 2-Stage, 93 liters/minute

  • Robinair's CoolTech 2-stage rotary vane design vacuum pump features the power and capacity needed for a wide range of service applications as well as robust construction for a long service life.
  • Powerful 1/3 HP, 115V/220-250V - 60/50Hz thermally protected motor, 94 liters per minute free air displacement, and factory rated to 20 microns for a fast, thorough evacuation.
  • Offset rotary vanes build powerful compression within the pumping chamber - reducing pressure and vaporizing moisture.
  • durable molded polycarbonate base improves pump balance and minimizes vibration.
  • Iso-Valve isolates pump from system with just a quarter turn.
  • Gas Ballast design mixes moisture laden air passing through pump with relatively dry air so compression doesn't cause condensation.
  • 1/4 inch male flare and 1/2 inch ACME inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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Robinair (15121A) CoolTech Vacuum Pump - 2-Stage, 236 liters/minute

  • Robinair's CoolTech 2-stage rotary vane design vacuum pump features the power and capacity needed for a wide range of service applications as well as robust construction for a long service life.
  • Powerful 1/2 HP, 115V/220V - 60/50Hz thermally protected motor, 236 liters per minute free air displacement, and factory rated to 15 microns for a fast, thorough evacuation.
  • Offset rotary vanes build powerful compression within the pumping chamber - reducing pressure and vaporizing moisture.
  • durable molded polycarbonate base improves pump balance and minimizes vibration.
  • Iso-Valve isolates pump from system with just a quarter turn.
  • Gas Ballast design mixes moisture laden air passing through pump with relatively dry air so compression doesn't cause condensation.
  • 1/4, 3/8, and 1/2 inch male flare inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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Hilmor 1948121 HVAC Vacuum Pump 5 Cfm

  • VACUUM PUMP: Great for HVAC/R installation, maintenance, and repairs, as well as more general industerial use. A blank-off valve isolates the pump from the system for accurate readings..
  • HASSLE FREE MAINTENANCE: Easy oil changes without loosing vacuum. Sloped and channeled housing, with an oversized oil fill port, allows oil to drain faster. In addition, sight glass allows oil to be checked at anytime..
  • COMPACT: Light and portable design makes it easy to take onsite. Two durable hoist points for hands-free carrying. Compatible with the Hilmor HVAC/R Carrying Strap (sold seperately)..
  • SPECIFICATIONS: 13.6" x 5.5" x 10.7", 24 lbs, 1/2 HP, 120v.
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Robinair 15510 VacuMaster Single Stage Vacuum Pump - Single-Stage 5 CFM

  • Robinair's VacuMaster Single-Stage Vacuum Pump is designed for air conditioning and refrigeration service.
  • 1/2 HP, 110V/60Hz thermally protected motor.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster,....
  • 1/4 inch flare and 1/2 inch ACME inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more....
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Robinair (15300) VacuMaster Economy Vacuum Pump - 2-Stage, 3 CFM

  • Robinair's VacuMaster Economy Vacuum Pump is designed for air conditioning and refrigeration service, featuring a 2-stage rotary vane design, 7.5 ounce oil capacity, and non-skid feet.
  • 1/3 HP, 115V/60Hz thermally protected motor.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
  • 1/4 and 3/8 inch MFL inlet fittings, 3/8 inch FFL x 1/2 inch ACME adapter, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining.
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Robinair (15150) VacuMaster Economy Vacuum Pump - 2-Stage, 1.5 CFM

  • Robinair's VacuMaster Economy Vacuum Pump is designed for air conditioning and refrigeration service.
  • featuring a 2-stage rotary vane design, 7.4 ounce oil capacity, and non-skid feet.
  • 1/4 HP, 115V/60Hz thermally protected motor.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
  • 1/4 inch MFL & 3/8 inch ACME inlet fittings, 3/8 inch FFL x 1/2 inch ACME adapter, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining.
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Robinair (15500) VacuMaster Economy Vacuum Pump - 2-Stage, 5 CFM , Red

  • Robinair's VacuMaster Economy Vacuum Pump is designed for air conditioning and refrigeration service.
  • featuring a 2-stage rotary vane design, 7.5 ounce oil capacity, and non-skid feet.
  • 1/3 HP, 115V/60 Hz thermally protected motor.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
  • 1/4 inch MFL & 3/8 inch ACME inlet fittings, 3/8 inch FFL x 1/2 inch Acme adapter, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining.
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Robinair (15301) VacuMaster Economy Vacuum Pump - 2-Stage, 71 liters/minute

  • Robinair's VacuMaster Economy Vacuum Pump is designed for air conditioning and refrigeration service.
  • featuring a 2-stage rotary vane design, 7.5 ounce oil capacity, and non-skid feet.
  • 3 CFM (71 liters/minute) free air displacement.
  • 1/3 HP, 220V/50Hz thermally protected motor.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
  • 1/4 and 1/2 inch MFL inlet fittings, 3/8 inch FFL x 1/2 inch ACME adapter, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining.
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Robinair 15800 VacuMaster Economy Vacuum Pump - 2-Stage, 8 CFM, CHROME

  • Robinair's VacuMaster Economy Vacuum Pump is designed for commercial refrigeration use and features a 2-Stage rotary vane design, 18.6 ounce oil capacity, and non-skid feet.
  • 115V, 60 Hz. Better access when refilling oil.
  • Features an inlet fitting engineered for maximum airflow while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping pump cooler and extending life.Cord length:72 inch.
  • 1/4 & 3/8 inch MFL inlet fittings, easy to read sight glass, easy access oil fill port, and oil drain valve positioned at the bottom of the oil reservoir and angled for faster, more complete draining.
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Robinair (15501) VacuMaster Economy Vacuum Pump - 2-Stage, 118 liters/minute

  • Robinair's VacuMaster Economy Vacuum Pump is designed for air conditioning and refrigeration service.
  • featuring a 2-stage rotary vane design, 7.5 ounce oil capacity, and non-skid feet.
  • 118 liters/minute (5 CFM) free air displacement.
  • 1/3 HP, 220V/50 Hz thermally protected motor for international use.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
  • 1/4 inch MFL & 1/2 inch ACME inlet fittings, 3/8 inch FFL x 1/2 inch Acme adapter, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining.
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Robinair (15310) VacuMaster Single Stage Vacuum Pump - Single-Stage, 3 CFM

  • Robinair's VacuMaster Single-Stage Vacuum Pump is designed for air conditioning and refrigeration service.
  • featuring a single stage rotary vane design, 8.5 ounce oil capacity, and non-skid feet.
  • 1/4 HP, 110V/60Hz thermally protected motor.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
  • 1/4 inch flare and 1/2 inch ACME inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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Robinair (15115) VacuMaster Single Stage Vacuum Pump - Single-Stage, 1.5 CFM

  • Robinair's VacuMaster Single-Stage Vacuum Pump is designed for air conditioning and refrigeration service.
  • featuring a single stage rotary vane design, 10 ounce oil capacity, and non-skid feet.
  • Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life.
  • 1/4 inch flare and 1/2 inch ACME inlet fittings, easy to read sight glass, easy access oil fill port, and angled oil drain valve for faster, more complete draining of the reservoir.
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