--- product_id: 438457287 title: "OMT 4.5 CFM Single Stage Vacuum Pump for R134a R410a R22 Auto AC HVAC Kit" price: "₨103826" currency: LKR in_stock: true reviews_count: 13 url: https://www.desertcart.lk/products/438457287-omt-4-5-cfm-single-stage-vacuum-pump-for-r134a store_origin: LK region: Sri Lanka --- # 1/3 HP Copper Motor - Power & Efficiency 4.5 CFM Flow Rate - Rapid Vacuuming Aluminum Alloy Casing - Durable & Corrosion-Resistant OMT 4.5 CFM Single Stage Vacuum Pump for R134a R410a R22 Auto AC HVAC Kit **Price:** ₨103826 **Availability:** ✅ In Stock ## Summary > 🚀 Power your HVAC game with precision and durability — don’t get left behind! ## Quick Answers - **What is this?** OMT 4.5 CFM Single Stage Vacuum Pump for R134a R410a R22 Auto AC HVAC Kit - **How much does it cost?** ₨103826 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/438457287-omt-4-5-cfm-single-stage-vacuum-pump-for-r134a) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Reinforced aluminum alloy casing resists corrosion and dissipates heat efficiently for long-term durability on every job. - • **User-Centric Design:** Sight glass oil reservoir and nonslip handle make monitoring and transport effortless—perfect for pros on the move. - • **Complete Service Kit:** Includes lubricating oil, gloves, and Teflon tape—everything you need to seal, maintain, and service HVAC systems like a pro. - • **Swift HVAC Servicing:** High-performance 1/3 HP all-copper motor delivers powerful, reliable vacuuming for fast AC system evacuation. - • **Precision Vacuum Depth:** Achieves an ultra-low 37.5 microns (5 Pa) for thorough moisture and air removal, ensuring optimal system performance. ## Overview The OMT 4.5 CFM Single Stage Vacuum Pump features a robust 1/3 HP copper motor and a reinforced aluminum alloy casing, delivering rapid evacuation down to 37.5 microns. Designed for automotive and HVAC professionals, it supports multiple refrigerants including R134a and R410a. With user-friendly oil monitoring and a complete service kit included, this pump combines professional-grade performance with exceptional value and durability. ## Description Buy OMT 4.5 CFM Single Stage Vacuum Pump for R134a R410a R22 Auto AC HVAC Kit | Copper Motor; 37.5 Microns Ultimate Vacuum; Aluminum Alloy Casing; For Automotive HVAC and Resin Degassing; Oil Included: Vacuum Pumps - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Great pump for the money - Used this twice now to pull vacuum on classic car a/c systems without any issues. Pump is pleasantly quiet from what I thought it would be and it pulls a vacuum quickly. I am very pleased with the purchase and would recommend it to any other mechanic that needed a value priced a/c vac pump. Review: Great value and well built - I purchased this vacuum pump specifically for evacuating my vehicle's AC system before recharging it, and I'm pleased to report it performed exactly as needed. For anyone doing their own AC work or HVAC repairs, this pump delivers solid performance at a price point that makes it an attractive alternative to more expensive professional-grade options. Performance on AC Systems The pump pulled down my AC system efficiently and reached the necessary vacuum level without any issues. It handled the job smoothly, maintaining consistent suction throughout the evacuation process. The gauge readings were stable, and the pump achieved the proper vacuum depth required for removing moisture and air from the system before introducing new refrigerant. This is exactly what you need from a vacuum pump—reliable performance that gets the job done correctly the first time. Exceptional Value What really stands out about this pump is the value proposition. AC vacuum pumps can get quite expensive, especially if you're only an occasional user rather than a professional technician. This pump provides the functionality you need without the premium price tag of top-tier brands. For DIY mechanics or homeowners who occasionally need to service AC systems, the cost-to-performance ratio is excellent. It's affordable enough that you don't feel like you're making a huge investment for a tool you might only use a few times a year. Build Quality and Longevity Based on my initial experience and inspection of the pump, it appears to be well-constructed with durability in mind. The housing feels solid, the components seem robust, and there's nothing about the build quality that raises red flags about premature failure. While only time will tell for certain, all indications suggest this pump should provide reliable service for many years. It doesn't have that cheap, disposable feel you sometimes get with budget tools—this seems like equipment that's built to last through multiple jobs. Would I Buy It Again? Absolutely. If I were in the market for another vacuum pump or needed to recommend one to someone else, this would be an easy choice. That said, based on how well it's holding up and how solidly it's built, I don't anticipate needing a replacement anytime soon. This appears to be one of those purchases where you buy it once and it serves you reliably for the long haul. Final Recommendation For anyone needing a vacuum pump for AC work, HVAC repairs, or similar applications, this pump hits the sweet spot of performance, quality, and affordability. It does what it's supposed to do, it's built to last, and it won't break the bank. Whether you're a DIY enthusiast tackling your own AC repairs or a professional looking for a cost-effective backup pump, this is a solid choice that delivers excellent value. ## Features - Pump It Out: Orion Motor Tech's single stage vacuum pump, powered by a 1/3 hp all-copper motor, ensures swift HVAC servicing. With a 4.5 cfm flow rate, it can draw systems down to 37.5 microns (5 Pa) for quick and easy servicing of AC systems employing R12, R22, R134a, R410a, and R502 refrigerants - Safe & Stable Operation: Built with a reinforced aluminum alloy casing, this auto AC vacuum pump efficiently disperses heat and resists corrosion for durability. Its intake filter and trap effectively shield against impurities and oil mist to maintain optimal performance - User-Friendly Designs: The oil reservoir of this AC vacuum pump includes a convenient sight glass and scale for oil level monitoring and timely refills. Its nonslip handle keeps everything easily portable for transport or storage between jobs - Wide Application: Compatible with 1/4", 1/2", and 3/8" hoses, this HVAC vacuum pump is well-suited for a range of applications, from automotive HVAC servicing projects to vacuum packaging, wine degassing, thermoforming, and more - Service-Ready Pump Package: This automotive AC vacuum pump kit provides everything needed for efficient maintenance, including the necessary lubricating and absorptive oil, a pair of one-size-fits-most gloves for effortless oil refill, and Teflon tape for ensuring secure sealing of threaded connections ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09R237QKM | | Best Sellers Rank | #827 in Automotive ( See Top 100 in Automotive ) #1 in Air Conditioning Vacuum Pumps | | Brand | Orion Motor Tech | | Customer Reviews | 4.4 4.4 out of 5 stars (972) | | Date First Available | January 24, 2022 | | Item Weight | 9.77 pounds | | Item model number | 1 CFM | | Manufacturer | Orion Motor Tech | | Manufacturer Part Number | FBA-VPHD001RD-1 | | Product Dimensions | 10.83 x 4.33 x 8.46 inches | ## Images ![OMT 4.5 CFM Single Stage Vacuum Pump for R134a R410a R22 Auto AC HVAC Kit - Image 1](https://m.media-amazon.com/images/I/71OkMCMa4mL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great pump for the money *by D***. on July 16, 2026* Used this twice now to pull vacuum on classic car a/c systems without any issues. Pump is pleasantly quiet from what I thought it would be and it pulls a vacuum quickly. I am very pleased with the purchase and would recommend it to any other mechanic that needed a value priced a/c vac pump. ### ⭐⭐⭐⭐⭐ Great value and well built *by P***O on October 27, 2025* I purchased this vacuum pump specifically for evacuating my vehicle's AC system before recharging it, and I'm pleased to report it performed exactly as needed. For anyone doing their own AC work or HVAC repairs, this pump delivers solid performance at a price point that makes it an attractive alternative to more expensive professional-grade options. Performance on AC Systems The pump pulled down my AC system efficiently and reached the necessary vacuum level without any issues. It handled the job smoothly, maintaining consistent suction throughout the evacuation process. The gauge readings were stable, and the pump achieved the proper vacuum depth required for removing moisture and air from the system before introducing new refrigerant. This is exactly what you need from a vacuum pump—reliable performance that gets the job done correctly the first time. Exceptional Value What really stands out about this pump is the value proposition. AC vacuum pumps can get quite expensive, especially if you're only an occasional user rather than a professional technician. This pump provides the functionality you need without the premium price tag of top-tier brands. For DIY mechanics or homeowners who occasionally need to service AC systems, the cost-to-performance ratio is excellent. It's affordable enough that you don't feel like you're making a huge investment for a tool you might only use a few times a year. Build Quality and Longevity Based on my initial experience and inspection of the pump, it appears to be well-constructed with durability in mind. The housing feels solid, the components seem robust, and there's nothing about the build quality that raises red flags about premature failure. While only time will tell for certain, all indications suggest this pump should provide reliable service for many years. It doesn't have that cheap, disposable feel you sometimes get with budget tools—this seems like equipment that's built to last through multiple jobs. Would I Buy It Again? Absolutely. If I were in the market for another vacuum pump or needed to recommend one to someone else, this would be an easy choice. That said, based on how well it's holding up and how solidly it's built, I don't anticipate needing a replacement anytime soon. This appears to be one of those purchases where you buy it once and it serves you reliably for the long haul. Final Recommendation For anyone needing a vacuum pump for AC work, HVAC repairs, or similar applications, this pump hits the sweet spot of performance, quality, and affordability. It does what it's supposed to do, it's built to last, and it won't break the bank. Whether you're a DIY enthusiast tackling your own AC repairs or a professional looking for a cost-effective backup pump, this is a solid choice that delivers excellent value. ### ⭐⭐⭐⭐ Good pump & quiet too. *by M***. on June 17, 2026* Used it to draw a vacuum on my car AC. Worked well, no leaks, isn’t loud, and didn’t get very hot. Had a couple hiccups with the on switch, but otherwise ran well. I’ll order some additional oil for it as it slowly works its way thru it. ## Frequently Bought Together - Orion Motor Tech Vacuum Pump, 4.5 cfm 1/3 hp HVAC Single Stage Vacuum Pump for R12 R22 R134a R410a R502, Auto AC Vacuum Pump Kit for Automotive Air Conditioner Resin Degassing & More, Oil Included - Refrigeration Technologies RT201B Nylog Gasket/Thread Sealant, 30 ml (1 Pack) - Orion Motor Tech 4 Way AC Gauge Set for R410a R22 R134a Refrigerant, 4 Valve Automotive AC Manifold with 5ft Hoses, R410a Adapters, Can Tap --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.lk/products/438457287-omt-4-5-cfm-single-stage-vacuum-pump-for-r134a](https://www.desertcart.lk/products/438457287-omt-4-5-cfm-single-stage-vacuum-pump-for-r134a) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-09-01*