smarthomepromotion 
Best results for how to use a mastercool vacuum pump
XtremepowerUS 3CFM or 4CFM Air Vacuum Pump HVAC A/C Refrigeration Kit AC Manifold Gauge Set (3CFM 1/4HP Air Vacuum Pump)
$128.95
$152.16
Amazon.com
Last update was on: May 17, 2024 4:49 pm
- SIMPLE BUT POWERFUL: XtremepowerUS 1/4 HP 3 CFM 1-Stage Rotary Air Vacuum Pump is designed to have high efficiency and low noise output with internal high volume cooling fan for extended use.
- HEAVY DUTY CASING: Die-cast Aluminum Alloy Casing enables the vacuum pump be light and durable at the same time. Equipped with brass fitting tethered safety caps to prevent oil leaks during transportation and handling.
NewPosition 4CFM 1/3HP Air Vacuum Pump HVAC A/C Refrigeration Tool Kit AC,Auto Repair Equipment, Manifold Gauge Set(R134A R22),Coupler Valve, 3 Hoses, Ideal for Food Packaging,Milking,Medical etc
$111.59
$137.26
Amazon.com
Last update was on: May 17, 2024 4:49 pm
- ✅【Simple But Professional】New Position Powerful HVAC refrigeration kit,4CFM、1/3 HP、single-stage rotary air vacuum pump,low noise with internal high volume cooling fan for extended use.
- ✅【Heavy Duty Vacuum Pump】Stable copper motor enables stable operation,die-cast aluminum alloy casing keep lightweight and durable,Equipped with brass fitting tethered safety caps to prevent oil leaks during transportation and handling.
Robinair RG3 Twin-Cylinder Portable Refrigerant Recovery Machine – 115V AC, 60 Hz
$404.99
$603.44
Amazon.com
Last update was on: May 17, 2024 4:49 pm
- Compact and lightweight, the RG3 features a 40 percent smaller footprint, is easy to carry, and weighs in at just 18 pounds for superior portability
- Handles almost all refrigerants - the RG3 works with all common CFC, HFC, and HCFC refrigerants including R-410A
- 1/3 HP, 115V AC, 60 Hz single cylinder, oil-less compressor is capable of recovering both liquid and vapor
- High efficiency cross flow design features a fan and condenser layout that is optimized for shorter cycle times
OrionMotorTech Adjustable R134A Adapter Fittings Quick Coupler High Low AC Freon Manifold Gauge Hose Conversion kit, 1/4" SAE HVAC
$15.99
$18.55
Amazon.com
Last update was on: May 17, 2024 4:49 pm
- Fits A/C manifold gauge sets (R-134A), coupler interface fits with R134A service ports, 1/4" male flare
- Adjustable coupler (5-ball style) is compatible with all models
- Accurate snap lock & knurled grip ring for easy operation, detachable adapter for longer maintenance
- Aluminum switch, bronze ACME adapter, and nickel plated bronze body
- Method of Use: Connect bottoms with vehicle's R134A service port
