
OrionMotorTech
OMT 14.4 CFM 2 Stage Vacuum Pump for R134a R410A R22 HVAC
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Highlights
- Dual Stage Design: Orion Motor Tech's two stage vacuum pump allows faster and deeper vacuuming for quick and efficient servicing of AC systems that use R134a, R410A, R22, R142b, and R152a refrigerants
- High Pumping Efficiency: Driven by a 1.5 hp motor, this auto ac vacuum pump delivers 14.4 cfm and quickly pulls down systems to 1.5 microns (0.2 Pa), making evacuations faster and helping you get the job done in less time
- Minimized Oil Mist and Noise: With its oil mist-free cap on the combined oil fill/exhaust port, our a/c vacuum pump reduces oil mist for a cleaner and safer work environment. It also runs at or below 70 dB, ensuring a quieter & more comfortable workspace
- User-Friendly Design: The 22 fl. oz. tank allows for longer operation with fewer refills. The gas ballast valve helps remove water vapor for a deeper vacuum, while the anti-reflux design prevents gases from flowing back for improved performance & longevity
- Compact, Versatile Pump: Compatible with 1/4" SAE, 3/8" SAE, and 1/2" ACME fittings, this versatile vacuum pump is ideal for HVAC, automotive, lab use, packaging, and beyond. Its compact design and ergonomic handle ensure easy portability and storage
Why You'll Love It
- Dual-stage 1.5 hp motor pulls down to 1.5 microns for fast AC evacuation
- High 14.4 CFM flow rate significantly speeds up system servicing across various setups
- Works with common refrigerants including R134a, R410A, R22, R142b, and R152a
- Integrated oil mist-free exhaust cap maintains a cleaner workspace while operating under 70 dB
- Gas ballast valve helps eliminate moisture while anti-reflux engineering prevents gas backflow
- Equipped with 1/4 inch SAE, 3/8 inch SAE, and 1/2 inch ACME ports for wide tool compatibility
Pros
- +High 14.4 CFM pumping speed
- +Deep 1.5 micron vacuum pull
- +Three common inlet fitting sizes
- +Large 22 fl. oz. oil reservoir
- +Quiet operation at or below 70 dB
Cons
- -Substantial power draw from 1.5 hp motor
- -Listing does not state included accessories or oil
Detailed Review
The OrionMotorTech 14.4 CFM dual-stage vacuum pump is built for technicians and mechanics needing deep, rapid system evacuations. Driven by a 1.5 hp motor, it handles common cooling systems running on R134a, R410A, R22, R142b, and R152a refrigerants, making it a capable workhorse for automotive, HVAC, laboratory, and packaging applications.
Its two-stage design delivers serious performance, pulling systems down to an ultimate vacuum level of 1.5 microns (0.2 Pa). The substantial 14.4 CFM airflow capacity allows you to clear lines and pull down large setups in less time. To ensure dependable evacuation, the built-in gas ballast valve works to exhaust water vapor, while the anti-reflux design keeps evacuated gases from flowing back into your system.
Day-to-day operation is kept clean and manageable thanks to an oil mist-free cap on the combined oil fill and exhaust port. The pump operates at or below 70 dB to keep workshop noise reasonable, and the 22 fl. oz. oil capacity reduces how often you need to stop for refills. An ergonomic carry handle helps with moving the unit between jobs, while built-in 1/4 inch SAE, 3/8 inch SAE, and 1/2 inch ACME ports offer direct compatibility with standard service hoses.
As for trade-offs, the listing does not mention whether vacuum pump oil or extra adapters come in the box, so you will want to have standard supplies on hand before your first run. The 1.5 hp motor also represents a heavy-duty power profile that requires an adequate electrical setup compared to smaller, lower-CFM benchtop units.
Verdict: This pump is an excellent choice for HVAC technicians and mechanics who require rapid, deep evacuations down to 1.5 microns across multiple refrigerant types. Its combination of high CFM, triple-fitting versatility, and moisture-clearing features makes it well suited for demanding AC service work.
Specifications
- Motor Power: 1.5 hp
- Flow Rate: 14.4 CFM
- Ultimate Vacuum: 1.5 microns (0.2 Pa)
- Design: 2 Stage
- Oil Capacity: 22 fl. oz.
- Noise Level: At or below 70 dB
- Fitting Sizes: 1/4 inch SAE, 3/8 inch SAE, 1/2 inch ACME
- Refrigerant Compatibility: R134a, R410A, R22, R142b, R152a
Who Should Buy It
A great fit if you:
- Service HVAC or auto AC systems using R134a, R410A, R22, R142b, or R152a refrigerants
- Need a deep vacuum down to 1.5 microns for thorough evacuation
- Want high-volume 14.4 CFM flow to finish large jobs quickly
- Require 1/4 inch SAE, 3/8 inch SAE, or 1/2 inch ACME hose connections
Consider something else if you:
- Only need a light-duty, low-CFM pump for occasional small hobby tasks
- Prefer an ultra-compact, low-horsepower unit for minimal power consumption
FAQ
What refrigerants is this pump compatible with?
It is designed for systems utilizing R134a, R410A, R22, R142b, and R152a refrigerants.
What fitting sizes does the pump accommodate?
The unit includes connections compatible with 1/4 inch SAE, 3/8 inch SAE, and 1/2 inch ACME fittings.
How deep of a vacuum can it pull?
The two-stage pump achieves a vacuum level down to 1.5 microns (0.2 Pa).
How loud is this vacuum pump during operation?
It is rated to run at or below 70 dB, helping reduce overall workspace noise.
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Product Specs
| Specification | Details |
|---|---|
| Manufacturer | Orion Motor Tech |
| Brand | Orion Motor Tech |
| Item Weight | 39.6 pounds |
| Package Dimensions | 18.5 x 13.7 x 9.5 inches |
| Item model number | VPH-C141-A0 |
| Manufacturer Part Number | MPNVPHC141-A0 |
| ASIN | B0DPNBQQYS |
| Customer Reviews | 4.3 4.3 out of 5 stars (51) 4.3 out of 5 stars |
| Best Sellers Rank | #27,157 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #2 in Lab Vacuum Pumps |
| Date First Available | December 5, 2024 |






