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efficient 4.5cfm single stage vacuum pump for ac hvac r134a r410a refrigerant recharging - rotary vane design, 5 pa, 1/4" flare inlet port (oil not included) logo

Efficient 4.5CFM Single Stage Vacuum Pump for AC HVAC R134a R410a Refrigerant Recharging - Rotary Vane Design, 5 Pa, 1/4" Flare Inlet Port (Oil Not Included) Review

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Revainrating 2.5 out of 5  
Rating 
2.4
❄️ Air Conditioning Tools & Equipment, 🔧 Automotive Tools & Equipment

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Description of Efficient 4.5CFM Single Stage Vacuum Pump for AC HVAC R134a R410a Refrigerant Recharging - Rotary Vane Design, 5 Pa, 1/4" Flare Inlet Port (Oil Not Included)

Product Overview

The 4.5CFM Vacuum Pump is a high-quality and efficient tool designed for professionals in the air conditioning and HVAC industry. With its robust construction and exceptional performance, this single-stage rotary vane vacuum pump is ideal for a wide range of applications. Crafted from durable cast aluminum, it ensures longevity and reliability, making it a valuable addition to any technician's toolkit.

Key Features and Benefits

1. Lightweight and Durable: Constructed using lightweight cast aluminum, this vacuum pump offers excellent durability without compromising portability. It is designed to withstand regular use in demanding environments, ensuring long-term reliability.

2. Efficient Operation: The single-stage rotary vane design enables efficient vacuum creation with a flow rate of 4.5 cubic feet per minute (CFM). It can quickly and effectively remove moisture and air from air conditioning systems, allowing for efficient refrigerant recharging.

3. Wide Compatibility: Equipped with a 1/4" flare inlet port, this vacuum pump is suitable for use with various refrigerants such as R134a and R410a. It provides a reliable solution for AC and HVAC professionals, enabling them to handle refrigerant recharging tasks effectively.

Applications

Here are some of the areas where the 4.5CFM Vacuum Pump can be utilized:

  • Automotive Services: Ideal for automotive technicians involved in AC system repairs, maintenance, and refrigerant recharging.
  • Residential HVAC: Perfect for HVAC professionals working on residential air conditioning and refrigeration systems.
  • Commercial HVAC: Suitable for commercial HVAC technicians responsible for servicing and maintaining large-scale air conditioning systems in buildings and offices.
  • Education and Training: Can be used in educational institutions to demonstrate and teach vacuum pump operation and HVAC principles.
  • The 4.5CFM Vacuum Pump offers exceptional performance and reliability, making it an indispensable tool for professionals in the air conditioning and HVAC industry. Its robust construction, efficient operation, and wide compatibility make it an excellent choice for various applications, from automotive services to residential and commercial HVAC systems.

    CAST ALUMINUM CONSTRUCTION- Constructed of lightweight cast aluminum, this single-stage rotary vane vacuum pump is built to last with durability and outstanding performance. QUALITY DIRECT DRIVE MOTOR- High-quality direct drive motor makes starting easy and stays maintenance-free for many years to go. CONVENIENT OPERATION- Oil viewing windows allow you to monitor oil quality and levels; oil drain valve at the bottom of the oil reservoir ensures faster and more complete draining; oil fill port makes oil adding simpler since the port is accessible from the front or either side. Note: Come with an empty oil bottle (OIL NOT INCLUDE). INTEGRATED COOLING FAN- Built-in high volume cooling fan for extended use, therefore it is thermally protected. SPECIFICATION- Free Air Displacement (FAD): 4.5CFM; Power: 1/3 HP; Voltage/Frequency: 110V/60HZ; Ultimate Vacuum: 5PA.

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    Reviews

    Global ratings 5
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    • 4
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    Type of review

    Revainrating 3 out of 5

    Cheap, broken parts, incorrect fittings installed.

    Wrong fittings (ordered with double fitting, didn't get any) and broken oil valve/exhaust in the box. Couldn't return as I needed it immediately - generally poor quality - should have just been rented from a parts dealer. Glued the broken pieces together. It pulls a vacuum, but everything else about it is pretty cheaply made.

    Pros
    • Dope 🔥
    Cons
    • unreliable

    very bad, delivery without oil! and very fragile plastic stoppers! too much money to pay for it! but the seller solves it to his complete satisfaction! The seller decided everything to his full satisfaction, it is a pleasure to work with such sellers, it gives you great confidence in buying their products! I will buy from them again

    Pros
    • few competitors
    Cons
    • no performance

    Revainrating 1 out of 5

    POOR QUALITY/WORKMANSHIP

    This product lasted about 5 hours and then didn't pull the vacuum above 21 in/hg. I emailed ORION a week ago and still haven't received a reply. I took the vacuum pump apart and found a lump of residue, excessive wear on the vanes and what appears to be related to displacement issues. Three pictures say more than 1000 words. I used the right amount of Black Gold pump oil. DO NOT BUY. Retired mechanical engineer Tom

    Pros
    • Lots of positive vibes
    Cons
    • Definitely a bad product

    Revainrating 3 out of 5

    Get one with a large hose that includes wire to hold it open?

    I liked the price, my friend has a 3cfm model but it came with a larger diameter vacuum hose. This 4.5 CFM model came with ¹/⁴ inch hose. I believe the hose is slowing down the process. It seems that it has less suction power. As for the noise level, I'd say they're pretty quiet, but I don't know how they're supposed to sound. I can invest in a different type of vacuum hose and some fittings. Just to see if it really sucks.

    Pros
    • High marks for support and durability from testers
    Cons
    • Not as thick as other options

    Revainrating 1 out of 5

    The pump is empty, damaged and not working.

    Pump arrived in 3 boxes. Boxes marked "this side up" were intentionally upside down in relation to the outer box, meaning any oil that was in the pump leaked out. So I received an oil-free pump and a box of oil-coated parts. To make matters worse, the supplied bottle of "reserve" oil was completely empty. While I was cleaning the block the air valve that was leaking all the oil came loose in my hand, apparently snapped upside down during shipping. Descent. I wanted to give the seller the…

    Pros
    • Durable finish
    Cons
    • Damaged